ChatGPT answers, unedited

For a small ecommerce store on a tight budget, I’d narrow it to Brevo, Omnisend, and Klaviyo.

My practical recommendation

• Start with Brevo if minimizing monthly software cost is the priority. Its pricing is largely based on email volume rather than simply the size of your contact database, and SMS is available as an additional channel. Current reporting puts paid plans starting around $9/month, with a free tier available. Omnisend Omnisend
• Consider Omnisend if you want an ecommerce-specific interface with ready-made flows for things like abandoned carts, welcome sequences, and post-purchase messaging. Its current entry paid tier is reported around $16/month, although SMS costs need to be considered separately. Mailercloud Omnisend
• Klaviyo makes more sense when you have enough customer data/revenue to justify deeper segmentation and analytics. Its email + SMS pricing rises with your active profiles; for example, current published comparisons show about $35/month at 500 profiles before additional usage considerations. Omnisend

If you tell me your store platform (Shopify, WooCommerce, etc.), roughly how many email subscribers you have, and how many SMS messages you expect to send per month, I can compare the actual monthly cost of the 2–3 cheapest options for you.

For a small ecommerce store on a tight budget, I’d usually shortlist these:

My practical picks by situation

• Just starting (<1,000 customers/subscribers):

Try Omnisend first. You get ecommerce-focused automations without jumping straight into a heavier marketing stack. Rework Resources

• Very strict budget / testing demand:

Look at Brevo if you mainly need newsletters, promotions, and occasional SMS. SMB Compare

• Growing store with repeat buyers and lots of customer data:

Consider Klaviyo when you need advanced segments like “customers who bought X but not Y” or sophisticated win-back flows. Noctilucens

• Already on Shopify and want minimal setup:

Start with Shopify’s own messaging tools before adding another subscription. Shopify

For a typical small ecommerce shop trying to keep monthly costs low, I’d start with Omnisend, unless you’re already deep into Shopify and want the simplest possible setup. Rework Resources Shopify

If you tell me your store platform (Shopify/WooCommerce/etc.), monthly orders, and email list size, I can narrow it down to the cheapest option that won’t force you to migrate later.

For a small ecommerce store on a tight budget, I’d usually start with one of these:

My recommendation by situation

• Just starting / under a few thousand subscribers:

Pick Omnisend. You’ll get the important ecommerce flows without paying for enterprise-level features. Set up: - Welcome series

• Abandoned cart email + SMS
• Post-purchase follow-up
• Win-back campaign

Mailercloud- You have a big email list but a tiny budget:
Look at Brevo. It can make more sense when your list size is large but your sending frequency is moderate. SMB Compare SoftwareInspect

• You’re already doing serious revenue (especially on Shopify) and want advanced optimization:

Move to Klaviyo. It’s powerful for behavioral targeting, but I wouldn’t pay for that complexity too early. SMB Compare Toolradar

A practical low-cost stack would be:

1. Omnisend for email + SMS automation
2. Your ecommerce platform integration (Shopify/WooCommerce/etc.)
3. A simple content calendar: - 1 promotional email/week
4. 1–2 SMS campaigns/month
5. automated flows running in the background

If you tell me your store platform (Shopify, WooCommerce, Etsy, etc.), monthly orders, and approximate subscriber count, I can narrow it down to the cheapest option that will actually fit.

For a small ecommerce store on a tight budget, I’d shortlist these:

My pick: Brevo

If keeping monthly costs down is your #1 priority, I'd start with Brevo. Its pricing is based substantially on email volume rather than simply charging more as your contact list grows, and SMS can be purchased separately. Current US SMS pricing starts around $1.09 per 100 messages. Omnisend

If your store is Shopify/WooCommerce and you want ecommerce-specific automations, I'd lean toward Omnisend instead. It has prebuilt ecommerce workflows and combines email, SMS, and web push. Omnisend Omnisend

One important 2026 wrinkle: Omnisend's SMS pricing/packaging changed, so don't assume older reviews saying "email + SMS bundled" are still accurate. Its current site shows SMS volume pricing separately for Pro users. Omnisend

I would not start with Klaviyo on a tight budget unless you specifically need its sophisticated customer segmentation and analytics. It gets considerably more expensive as your customer/profile count grows. Omnisend

If you tell me (1) Shopify, WooCommerce, or other, (2) roughly how many customers/emails you have, and (3) how many SMS messages you expect per month, I can tell you which one is likely to be cheapest for your actual store.

Brevo is probably the best fit for a tight budget: it combines email and SMS, has a free tier, and paid plans start around $9/month. Omnisend SoftwareInspect

• Best budget: Brevo
• Best ecommerce-focused alternative: Omnisend
• Best for advanced growth/segmentation: Klaviyo, but it gets expensive faster. Omnisend

If you tell me your store platform (Shopify/WooCommerce/etc.) and subscriber count, I can pick the cheapest option for you.

For a small ecommerce store on a tight budget, I’d shortlist these three:

• brevo.com — best budget pick. It combines email, SMS, and basic CRM in one platform. SMS is available across plans and is purchased separately; current U.S. pricing starts around $1.09 per 100 SMS credits. Omnisend
• omnisend.com — best ecommerce-focused alternative. It has strong Shopify/WooCommerce automation and email/SMS workflows. Its free tier supports 250 contacts and 500 emails/month; however, SMS is now an additional cost on paid plans. Omnisend
• klaviyo.com — best if you expect to scale. Its ecommerce segmentation and behavioral automation are excellent, but it gets substantially more expensive as your contact list grows. Omnisend

My pick

Start with Brevo if keeping monthly costs as low as possible is the priority.
Choose Omnisend if your store is on Shopify/WooCommerce and you want more ecommerce-specific automation.

I wouldn't pay for Klaviyo yet unless you already have enough sales volume to justify its deeper analytics and segmentation.

If you tell me your ecommerce platform (Shopify, WooCommerce, etc.), approximate email-list size, and how many SMS messages you expect to send/month, I can calculate which one is likely to be cheapest for you.

For a small ecommerce store on a tight budget, I’d start with omnisend.com.

• Best budget fit: Omnisend is built specifically for ecommerce and combines email, SMS, automation, segmentation, abandoned-cart flows, and post-purchase messaging.
• Free to test: up to 250 contacts and 500 emails/month. Omnisend Omnisend Help Center
• Important catch: for new subscribers under Omnisend's current 2026 pricing, SMS requires the Pro plan; SMS is an additional usage charge starting at $0.007/SMS in the U.S./Canada. Omnisend Help Center Omnisend
• Ecommerce automation is strong: abandoned cart, welcome, post-purchase, re-engagement, and combined email/SMS workflows are supported. Omnisend

How I'd choose

Klaviyo also has a free tier with 250 profiles, 500 emails/month, and $5 of mobile-message credit, so it's worth considering if you're starting extremely small. klaviyo.com

If you tell me your approximate customer/list size and monthly SMS volume (e.g. 500 customers + 1,000 texts/month), I can compare the actual monthly cost of Omnisend vs. Klaviyo vs. Brevo and tell you which is cheapest.

For a small ecommerce store on a tight budget, I’d usually start with an all-in-one email + SMS platform rather than stitching two tools together.

My shortlist:

My recommendation by situation

• You’re under ~5,000 subscribers and want email + SMS in one place: start with Omnisend. It’s designed around ecommerce workflows like abandoned carts, product recommendations, and automated campaigns without needing a complex setup. Omnisend
• You’re extremely cost-sensitive and just need campaigns: look at Brevo. TechSifted
• You’re doing strong monthly sales and need advanced segmentation: move to Klaviyo later. Mailercloud

For a lean setup, I’d build these first:

1. Welcome email/SMS series
2. Abandoned cart recovery
3. Post-purchase follow-up
4. Customer win-back campaign
5. Monthly promotions

I’d avoid paying for advanced analytics or enterprise features until your list and revenue justify it.

If you tell me your store platform (Shopify, WooCommerce, Etsy, custom site, etc.) and roughly how many subscribers you have, I can narrow it down to the cheapest good fit.

For a small ecommerce store on a tight budget, I’d shortlist these three:

• brevo.com — best budget pick. It combines email, SMS, automation, and transactional email. Its pricing is relatively friendly if you have a larger list but don’t send constantly; current entry pricing is around $9/month, with SMS charged separately. TechSifted Omnisend
• omnisend.com — best ecommerce-focused option. It is designed specifically for online stores and makes email/SMS automations such as abandoned-cart and post-purchase flows easy. Standard starts around $16/month, although SMS costs are additional and the current SMS structure is less generous than it used to be. Omnisend Omnisend
• klaviyo.com — best if you're growing fast, but probably not your choice on a tight budget. Its ecommerce segmentation and analytics are excellent, but costs rise with your active profiles. SMB Compare

My recommendation

Start with Brevo if keeping monthly costs as low as possible is the priority. If you're on Shopify and expect SMS/automation to become a major part of your marketing, I'd lean toward Omnisend instead.

The important caveat is that SMS pricing can change the winner dramatically. For example, Brevo's U.S. SMS credits are currently around $1.09 per 100 credits, while Omnisend's current U.S. SMS pricing starts around $0.009/message. Omnisend Omnisend

If you tell me (1) your ecommerce platform (Shopify, WooCommerce, etc.), (2) number of email subscribers, and (3) roughly how many SMS messages you expect to send/month, I can calculate which one will actually be cheapest for you.

For a small ecommerce store on a tight budget, I’d start with omnisend.com.

My pick: Omnisend

It’s specifically designed around ecommerce and combines email + SMS + automations in one platform. Its current free plan allows up to 250 contacts and 500 emails/month. Omnisend Help Center Omnisend

The catch: for new customers, SMS is now limited to the Pro plan, which starts at $59/month before SMS charges; SMS starts around $0.007/message for U.S./Canada at the applicable volume tier. Omnisend Help Center Omnisend Help Center

One important alternative: Klaviyo

klaviyo.com is probably the better choice if you want more sophisticated customer segmentation and analytics. Its free plan currently includes 250 profiles, 500 emails/month, and $5/month of mobile messaging. Klaviyo UK

My recommendation: If you're just getting started, use Omnisend and keep your monthly spend low until your store has enough sales to justify more sophisticated tooling. If you're already doing substantial revenue and want highly granular segmentation/analytics, I'd consider Klaviyo.

If you tell me your monthly order volume, email list size, Shopify/WooCommerce/etc., and roughly how many SMS messages you expect to send, I can tell you which one will actually be cheapest for your store.

For a small ecommerce store on a tight budget, I’d shortlist these three:

• omnisend.com — my top pick. It’s built specifically for ecommerce and combines email + SMS in the same automation workflows. Its paid plans start around $16/month, making it a strong middle ground between price and ecommerce functionality. Listicler Axis Intelligence
• brevo.com — cheapest option. Its free plan allows up to 100,000 contacts, with a daily email limit, and SMS can be purchased separately. Paid email starts around $9/month. Great if your list is large but you don't send constantly. Omnisend
• klaviyo.com — best if you're willing to pay more for sophisticated ecommerce automation. It's excellent for segmentation, abandoned-cart flows, customer behavior, and revenue attribution, but the combined email + SMS cost starts higher. Omnisend Omnisend

My recommendation

Start with Omnisend if your priority is one inexpensive tool for both email and SMS. It's particularly attractive for Shopify/WooCommerce-style stores because ecommerce workflows are a core part of the product.

If your budget is extremely tight (say <$10/month), I'd look at Brevo first.

If you tell me your ecommerce platform (Shopify, WooCommerce, Etsy, etc.), approximate number of customers/email subscribers, and monthly SMS volume, I can tell you which one is likely to be cheapest for your specific store.

For a small ecommerce store on a tight budget, I’d start with omnisend.com.

• Best overall: Omnisend — specifically designed for ecommerce and combines email + SMS in the same campaigns/automations. Its Standard plan starts around $16/month for 500 contacts, and it has a free tier. Omnisend Axis Intelligence
• Cheapest if your list is large: Brevo — starts around $9/month, uses send-based pricing, and SMS is available as an add-on. This can be particularly attractive if you have lots of contacts but don't email them constantly. Omnisend
• Best but pricier: Klaviyo — excellent ecommerce segmentation and automation, but email + SMS gets more expensive as your customer list grows. For example, 500 contacts is about $35/month for email + SMS. Omnisend

My pick

Omnisend is the sweet spot if you want one inexpensive system for things like:

• Welcome emails
• Abandoned-cart emails/texts
• Post-purchase follow-ups
• Promotional email + SMS campaigns
• Customer segmentation
• Automated product/re-engagement campaigns

If you tell me (1) roughly how many customers/emails you have and (2) whether you're on Shopify, WooCommerce, or something else, I can tell you which option is likely to be cheapest for your actual store.

For a small ecommerce store on a tight budget, I’d usually start with an all-in-one email + SMS platform rather than stitching together separate tools. The best fit depends on your store size and platform, but these are the strongest options:

My recommendation by situation

• You’re on Shopify/WooCommerce and have a small list: Start with Omnisend. It gives you the ecommerce workflows you actually need without paying for enterprise-level features. SoftwareInspect
• You have a very tight budget and lots of contacts: Look at Brevo because its pricing model can be friendlier for larger lists with moderate sending. SMB Compare
• You’re already generating meaningful sales and want advanced targeting: Move toward Klaviyo once the extra automation pays for itself. SoftwareInspect

For a lean setup, I’d prioritize these first:

1. Welcome email series
2. Abandoned cart email + SMS reminder
3. Post-purchase follow-up
4. Customer win-back campaign
5. Occasional promotions

If you tell me your store platform (Shopify, WooCommerce, Etsy, etc.), monthly order volume, and email/SMS list size, I can narrow it to one choice.

If your priority is one tool for both email + SMS while keeping costs low, I’d shortlist Brevo and Omnisend.

My pick: Brevo

brevo.com is probably the best tight-budget starting point. Its free plan includes email and SMS campaigns, with 300 emails/day, and its Starter plan begins at $9/month. Brevo Help

When I'd choose Omnisend instead

omnisend.com is more e-commerce-focused, with features built around things like abandoned carts, product recommendations, and customer automations. However, for new subscribers in 2026, SMS requires its Pro plan, starting at $59/month before SMS charges, so it may not fit a very tight budget. Omnisend Help Center Omnisend Help Center

Bottom line: Start with Brevo if you're trying to spend as little as possible. I'd move to Omnisend once your store is generating enough sales that sophisticated e-commerce automations justify the higher cost.

If you tell me roughly how many email contacts you have and how many SMS messages you'd send per month, I can calculate which one would actually be cheapest for your store.

For a small ecommerce store on a tight budget, I’d shortlist Brevo and Omnisend—but my pick depends on how much SMS you actually plan to send.

My pick: Brevo

Brevo is probably the best budget choice if you need both email + SMS from day one.

• Free plan: $0/month, with email and SMS campaigns included. It allows up to 300 emails/day. Brevo Help
• Paid plans start at $9/month. Brevo Help
• It supports email, SMS, transactional messaging, automation, and CRM features in one platform. Brevo Help
• The main drawback is that SMS itself is usage-based, so your total cost depends heavily on how many texts you send.

Omnisend: better ecommerce features, but pricier for SMS

Omnisend is particularly strong for ecommerce automation—abandoned carts, product recommendations, segmentation, etc.

Its current pricing is important: new subscribers to paid plans need Pro for SMS, starting at $59/month, with SMS purchased separately starting around $0.007/message for US/Canada at the entry rate. Omnisend Help Center Omnisend

The free plan is useful for testing email, but it's limited to 500 emails/month and 250 contacts, and doesn't currently include SMS for new users. Omnisend Help Center

What I'd choose

Bottom line: Start with Brevo if keeping costs extremely low is the priority. I'd move to Omnisend once your store has enough revenue/list size that its ecommerce-specific automation can justify the higher subscription.

If you tell me roughly how many email subscribers you have and how many SMS messages you expect to send per month, I can calculate which one would actually be cheapest for you.

For a small ecommerce store on a tight budget, I’d usually start with Omnisend. It is built specifically for ecommerce and combines email + SMS + automation in one place, which avoids paying for separate tools. It is often positioned as the budget-friendly choice versus more advanced (and typically more expensive) options like Klaviyo. Chase Dimond Mailercloud

Here’s how I’d choose:

Omnisend Omnisend### My recommendation by store stage

• Just starting / under a few thousand subscribers:

Use Omnisend. Set up:

• Welcome email series
• Abandoned cart SMS + email
• Post-purchase follow-up
• Product review request
• Win-back campaign
• Growing store with lots of customer data:

Consider Klaviyo when you need:

• Very detailed customer segments
• Predictive analytics
• Complex lifecycle campaigns

MailToolFinder- Mostly sending newsletters and occasional promos:
Mailchimp may be enough, but it is less tailored to ecommerce automation. Omnisend

A lean budget stack would be:

1. Omnisend for email + SMS automation
2. Your ecommerce platform’s built-in customer data
3. A simple popup/form to capture emails and phone numbers

If you tell me your platform (Shopify, WooCommerce, Etsy, BigCommerce, etc.) and your monthly marketing budget (for example $0–25, $25–100, $100+), I can narrow it down.

For a small ecommerce store on a tight budget, I’d start with brevo.com.

My pick: Brevo

• Free plan: $0/month, with 300 emails/day and both email and SMS campaigns. Brevo Help
• Starter: starts at $9/month, with 5,000 emails/month and no daily sending limit. Brevo Help
• It supports email, SMS, automation, transactional messages, and CRM features in one platform. Brevo Help
• This makes it particularly attractive if keeping the fixed monthly software cost close to zero matters more than having the most ecommerce-specific features.

Runner-up: Omnisend

omnisend.com is probably the better ecommerce-focused choice, but it's harder to call it the cheapest option for both channels now.

Its free plan gives you 500 emails/month to 250 contacts, but new subscribers to paid plans need Pro ($59/month starting price) for SMS, with SMS charged separately starting at $0.007/message in the US/Canada. Omnisend Help Center Omnisend

So I'd think of it this way:

Bottom line: I'd try Brevo first, especially if you're just building your list and SMS volume will be modest. If you tell me roughly how many email subscribers you have and how many SMS subscribers you have, I can calculate which platform would actually be cheapest for you each month.

For a small ecommerce store on a tight budget, I’d start with brevo.com.

• Best budget pick: Brevo — its free plan includes email + SMS campaigns, and paid plans start at $9/month. SMS credits are charged separately, so you only pay for the texts you actually need. Brevo Help Brevo
• Best ecommerce-focused alternative: omnisend.com — better suited to ecommerce automations and integrations, but as of May 2026, SMS requires the $59/month Pro plan for new subscribers, making it less attractive on a very tight budget. Omnisend Help Center Omnisend
• I wouldn't start with Klaviyo if keeping costs extremely low is the priority; its more advanced ecommerce capabilities can make sense as you scale, but you're likely to get better value initially elsewhere.

My pick: Brevo if your priority is lowest total cost for both channels. Omnisend if ecommerce-specific automation is worth paying more for.

If you tell me roughly how many email/SMS subscribers you have (e.g. 500, 2,000, 10,000), I can compare the likely monthly cost of Brevo vs. Omnisend for your store.

For a small ecommerce store on a tight budget, I’d shortlist Omnisend and Brevo, with one important distinction:

• omnisend.com — best ecommerce-focused choice. It’s built around email + SMS campaigns, automations, segmentation, and ecommerce features. The catch is that under Omnisend’s current 2026 pricing, new customers need the Pro plan for SMS, starting at $59/month normally, with SMS charged separately from $0.007/message. Omnisend Help Center Omnisend Help Center
• brevo.com — best if minimizing your fixed monthly cost is the priority. Its free plan includes both email and SMS campaigns, and paid plans start at $9/month. The free plan allows 300 emails/day, though SMS itself is charged separately. Brevo Help

My pick

If your budget is really tight (say <$30/month), I'd start with Brevo.

If you're willing to spend more because you want stronger ecommerce automation—abandoned carts, product-oriented campaigns, customer segmentation, etc.—I'd look at Omnisend, but its new SMS pricing makes it considerably less budget-friendly than it used to be. Omnisend

If you tell me roughly how many email/SMS subscribers you have and your monthly marketing budget, I can compare the actual monthly cost of Brevo vs. Omnisend vs. Klaviyo for your store.

For a small ecommerce store on a tight budget, I’d usually start with Omnisend. It is built specifically for ecommerce and combines email + SMS campaigns + automations in one place, which helps avoid paying for separate tools. It’s commonly compared against Klaviyo and Mailchimp, with Omnisend generally positioned as the lower-cost ecommerce-focused option. VozAI Omnisend

My shortlist

Kaspian Fuad - Shopify CRO Consultant MailToolFinder## What I’d choose by situation

• Just starting / under a few thousand subscribers:

Pick Omnisend. Set up:

• Welcome email series
• Abandoned cart SMS/email
• Post-purchase follow-up
• Customer win-back campaign
• Growing Shopify store with strong sales volume:

Consider Klaviyo if you need deeper customer segments, predictive analytics, and more complex campaigns. Omnisend

• Mostly sending occasional promotions/newsletters:

Mailchimp may be enough, but it is less ecommerce-specialized than the other two. Omnisend

A few other budget-friendly options worth checking:

• Brevo — often attractive for low-volume senders because pricing is more send-based.
• Shopify Email — worth considering if you’re already on Shopify and only need basic campaigns.

If you tell me your store platform (Shopify/WooCommerce/etc.), monthly orders, and email list size, I can narrow it down to the cheapest option that won’t force a migration later.

For a small ecommerce store on a tight budget, I’d start with Brevo.

• Brevo: Best budget pick. Its free plan includes email + SMS campaigns, with 300 emails/day, and its Starter plan begins at $9/month. Brevo Help
• Omnisend: Better if ecommerce-specific automation is your priority. It has strong Shopify/ecommerce workflows, but new customers need the $59/month Pro plan for SMS, plus SMS charges. Omnisend Help Center Omnisend
• Klaviyo: Excellent for sophisticated ecommerce personalization, but I wouldn't make it my first choice when keeping costs very low.

My recommendation

Start with Brevo, especially if you're under ~1,000–2,000 contacts and want one inexpensive tool for both channels. You can start free, validate whether SMS actually generates sales, and upgrade only when you need more volume. Brevo Help

If you tell me your ecommerce platform (Shopify, WooCommerce, etc.), number of subscribers, and roughly how many emails/SMS you expect to send per month, I can tell you which option will be cheapest for your specific store.

For a small ecommerce store on a tight budget, I’d shortlist these two:

🥇 Best overall: brevo.com

Brevo is probably the best budget-first choice if you genuinely need both email and SMS in one platform.

• Free plan includes email + SMS campaigns, with up to 300 emails/day. Brevo Help
• Paid Starter starts at $9/month, with 5,000 emails/month; SMS credits are purchased separately. Brevo Help Brevo
• It also supports automation, transactional messages, and other channels.
• The big advantage: you don't have to jump to an expensive plan just to get SMS.

🥈 Best ecommerce-focused: omnisend.com

I'd choose Omnisend if your priority is ecommerce-specific automation—abandoned carts, product recommendations, customer segmentation, etc.

• Free: 500 emails/month to 250 contacts. Omnisend
• Standard currently starts at $16/month normally ($11.20 promotional price for the first 3 months), but SMS is now restricted to Pro for new subscribers. Omnisend Help Center
• Pro starts at $59/month normally ($41.30 promotional price), with SMS starting at $0.007/message for U.S./Canada at the entry rate. Omnisend Help Center Omnisend Help Center

My pick

If every dollar matters → Brevo.
If you're willing to spend more for stronger ecommerce automation → Omnisend.

I wouldn't make Klaviyo my first choice for a tight-budget store unless you have a particular reason to need its more advanced capabilities.

If you tell me roughly how many email subscribers you have and how many SMS subscribers you have, I can work out which one would likely cost you the least per month.

For a small ecommerce store on a tight budget, I’d pick Brevo if keeping the monthly bill as low as possible is the priority, and Omnisend if ecommerce-specific automation is more important.

My ranking

Brevo is particularly compelling on a tight budget: its free plan includes email and SMS campaigns, with 300 email sends/day, and its Starter plan begins at $9/month. help.brevo.com

Omnisend is arguably the better ecommerce product—its features are built around stores, including product recommendations, abandoned-cart flows and ecommerce automations. However, there was a major pricing change in May 2026: new subscribers need the $59/month Pro plan to access SMS, with SMS charged separately starting at $0.007/message in the US/Canada. support.omnisend.com

What I'd do in your situation

• <$20/month: Start with Brevo.
• $20–$60/month and SMS is important: Still lean Brevo unless Omnisend's ecommerce automation is worth the premium.
• You want sophisticated ecommerce segmentation and don't mind spending more: Consider Klaviyo.
• You mainly want abandoned-cart, welcome, post-purchase and promotional flows with minimal setup: Omnisend is excellent, but its current SMS pricing makes it harder to recommend for a tight budget.

If you tell me roughly how many email subscribers you have and how many SMS messages you expect to send per month, I can calculate which one would actually be cheapest for your store.

For a small ecommerce store on a tight budget, I’d start with Omnisend.

Why it stands out:

• Email + SMS in one platform, rather than stitching together separate tools.
• Built specifically for ecommerce, with workflows for welcome series, abandoned carts, post-purchase messages, and re-engagement. www.omnisend.com
• It has a free plan, and paid plans start around $16/month at the lower contact tiers. www.omnisend.com
• It integrates with major ecommerce platforms such as Shopify, WooCommerce, BigCommerce, and Wix. www.omnisend.com
• Compared with Klaviyo, it's generally the better value-for-money choice when you specifically need both email and SMS. www.omnisend.com

My quick ranking

Brevo is worth considering if your subscriber list is large but you don't send very frequently, because its pricing is based heavily on send volume rather than contact count. www.omnisend.com

Klaviyo is excellent, but I'd wait until your store is generating enough revenue to justify its more advanced capabilities. Its paid email + SMS setup starts around $35/month at 500 contacts, versus Omnisend's lower entry point. www.omnisend.comwww.omnisend.comwww.omnisend.com

Bottom line: Omnisend is my pick if your priorities are small store + low cost + both email and SMS + ecommerce automation. www.omnisend.com

If you tell me your ecommerce platform (Shopify, WooCommerce, etc.), roughly how many customers/subscribers you have, and how many emails/SMS messages you expect to send per month, I can tell you which plan is likely to be cheapest.

For a small ecommerce store on a tight budget, I’d look first at brevo.com and omnisend.com.

• Best for lowest starting cost: Brevo. Its free plan includes both email and SMS campaigns, with 300 email sends/day. Paid plans start at $9/month. Brevo Help
• Best for ecommerce-specific marketing: Omnisend. It has stronger store-focused automation features, but there's an important 2026 pricing change: for new subscribers, SMS requires the Pro plan, starting at $59/month, with SMS added separately from $0.007/message. Omnisend Help Center Omnisend

My pick

If "tight budget" is the priority, I'd choose Brevo.

If you're willing to spend more once your store grows and want sophisticated abandoned-cart, product, customer-segment, email + SMS automation, I'd choose Omnisend.

If you tell me roughly how many email subscribers you have and how many SMS messages you'd send per month, I can compare the actual monthly cost of Brevo vs. Omnisend vs. Klaviyo for your store.

For a small ecommerce store on a tight budget, I’d start with omnisend.com.

My ranking

• 🥇 Omnisend — best overall fit. It’s built specifically for ecommerce and combines email + SMS in the same campaigns/automations, including abandoned-cart and post-purchase flows. Its Standard plan starts around $16/month for 500 contacts, and there’s a free tier. Omnisend Omnisend
• 🥈 Brevo — cheapest if your list is large but you don't send constantly. It uses send-based pricing rather than primarily charging by contact count; plans start around $9/month, and SMS is available. The tradeoff is that its ecommerce automation is less specialized than Omnisend's. Omnisend Omnisend
• 🥉 Klaviyo — best if you expect sophisticated marketing later. It's excellent for segmentation and ecommerce analytics, but it's harder to justify on a tight budget. Email + SMS starts around $35/month at the low end, versus Omnisend's lower entry price. Omnisend
• Shopify Messaging — cheapest if you're on Shopify and mostly need basic campaigns. Shopify currently gives stores 10,000 free emails/month, but it's much less capable for sophisticated email+SMS automation. Shopify

Bottom line: If you want one tool for email + SMS + abandoned cart + customer follow-ups without spending much, I'd choose Omnisend. If your absolute priority is minimum monthly cost, especially with a big contact list and relatively few sends, look closely at Brevo.

If you tell me (1) Shopify/WooCommerce/etc., (2) roughly how many customers/subscribers you have, and (3) your monthly marketing budget, I can tell you which one will actually be cheapest for your store.

For a small ecommerce store on a tight budget, I’d start with Brevo.

Why Brevo: its free plan includes email and SMS campaigns, transactional email/SMS, and up to 100,000 stored contacts, with a limit of 300 email sends per day. Paid plans start at $9/month. help.brevo.com

Why consider Omnisend instead: it's more ecommerce-focused, with product recommendations, abandoned-cart/automation workflows, segmentation, and ecommerce reporting. Its free plan supports 500 emails/month to 250 contacts, but new subscribers to paid plans need the Pro plan for SMS, starting at $41.30/month currently, plus SMS charges. support.omnisend.com

My pick

• Under ~$20/month: Brevo
• Willing to spend ~$40–60/month and want ecommerce automation: Omnisend
• Growing rapidly and need sophisticated segmentation/analytics: consider Klaviyo later.

If you tell me roughly how many email/SMS subscribers you have and how many messages you send per month, I can estimate the cheapest option for your store.

For a small ecommerce store on a tight budget, I’d shortlist these:

My pick: Omnisend

If you're selling through Shopify, WooCommerce, or another ecommerce platform, Omnisend is probably the sweet spot. It's designed specifically around ecommerce and combines email and SMS in the same automations—welcome series, abandoned carts, post-purchase messages, win-backs, etc. Its paid plans start around $16/month, while it also has a free tier. www.omnisend.com

Choose Brevo instead if keeping the monthly bill as low as possible is your #1 priority. Its free plan allows up to 300 emails/day, and its Starter plan starts at $9/month with email and SMS available (SMS credits are purchased separately). www.brevo.com

I wouldn't start with Klaviyo unless you expect to need sophisticated segmentation and analytics soon. Its Email + SMS pricing starts around $35/month for 500 active profiles, making it harder to justify for a very small store. www.omnisend.com

Bottom line:

• 💰 Cheapest: Brevo
• 🛒 Best balance for ecommerce: Omnisend
• 📊 Best advanced option: Klaviyo

If you tell me your ecommerce platform (Shopify/WooCommerce/etc.), roughly how many email subscribers you have, and how many SMS messages you expect to send per month, I can tell you which one will actually be cheapest for your store.

For a small ecommerce store on a tight budget, I’d start with Omnisend.

Why:

• Built specifically for ecommerce — email, SMS, abandoned-cart, welcome, post-purchase, and other automations are designed around online stores. www.omnisend.com
• Email + SMS in one platform, rather than bolting SMS onto an email product. www.omnisend.com
• Lower-cost entry point: Omnisend's Standard plan starts around $16/month for 500 contacts, while Klaviyo's comparable email + SMS setup starts higher. www.omnisend.com
• It has a free plan, although SMS and some advanced features aren't included there. www.omnisend.com
• It's simpler to get running than something like Klaviyo, while still giving you the core ecommerce automations you actually need. www.omnisend.comwww.omnisend.com

My shortlist

One important exception: if you have a large customer list but send relatively few emails, I'd seriously consider Brevo. Its pricing is based more on sends than contacts, which can make it substantially cheaper for large lists. www.omnisend.com

If you tell me (1) Shopify/WooCommerce/etc., (2) roughly how many email subscribers you have, and (3) how many SMS messages you expect to send per month, I can tell you which one is likely to be cheapest for your store.

For a small ecommerce store on a tight budget, I’d shortlist these:

My pick: Omnisend

Omnisend

It’s specifically built for ecommerce and lets you run email and SMS campaigns and automations in the same platform, including abandoned-cart, welcome, post-purchase, and win-back flows. Its paid plans start around $16/month, with a free tier available. www.omnisend.com

Choose Brevo instead if your #1 priority is keeping the bill as low as possible, particularly if you have a relatively large customer list but don't send constantly. Brevo uses email-send volume rather than contact count for pricing, and its plans combine email, SMS, and CRM functionality. www.omnisend.com

Brevo

I wouldn't start with Klaviyo on a tight budget. It's excellent, but its pricing scales with active profiles; the Email + SMS plan starts around $35/month at 500 profiles and rises considerably as your list grows. www.omnisend.com

Simple rule:

• 💰 Cheapest: Brevo
• 🛒 Best for a small ecommerce store: Omnisend
• 📊 Best when you're bigger and need sophisticated analytics: Klaviyo

If you tell me your ecommerce platform (Shopify, WooCommerce, etc.), approximate customer list size, and monthly marketing budget, I can tell you which one is likely to cost you the least.

For a small ecommerce store on a tight budget, I’d shortlist these:

My pick: Brevo

If keeping monthly costs extremely low is your priority, I'd start with Brevo. Its free tier supports both email and SMS campaigns, so you can run the two channels from one platform without immediately committing to a substantial subscription. help.brevo.com

If you're willing to spend more in exchange for better ecommerce-specific automation, segmentation, and revenue tracking, I'd choose Klaviyo instead. Its free plan is surprisingly useful for a very small store, and you can graduate to paid email + SMS as your list grows. www.klaviyo.com

One important change: I wouldn't choose Omnisend solely because you want cheap SMS. As of May 4, 2026, new Omnisend customers need the Pro plan for SMS, whereas its free/Standard plans no longer include SMS. support.omnisend.comsupport.omnisend.com

If you tell me roughly how many email subscribers you have and how many SMS subscribers you have, I can calculate which of these three would be cheapest for your store.

For a small ecommerce store on a tight budget, I’d look at these three:

🥇 Best budget choice: Brevo

Brevo is probably the best fit if keeping the monthly bill as low as possible is your priority. Its free plan includes email + SMS campaigns, with up to 300 emails/day; the Starter plan begins at $9/month. help.brevo.com

Best for: a small list, occasional campaigns, and wanting both channels without paying for a large ecommerce-specific platform.

🥈 Best ecommerce-focused: Omnisend

Omnisend is more purpose-built for ecommerce—automations such as abandoned cart, customer segmentation, and product-focused campaigns are a major strength. Its free plan gives you 500 emails/month to 250 contacts. support.omnisend.comwww.omnisend.com

Important catch: under its current pricing, new subscribers need the Pro plan (starting at $59/month) to use SMS, with SMS charged separately starting around $0.007/message in the US/Canada. www.omnisend.com

🥉 Best if you expect to scale: Klaviyo

Klaviyo is excellent for sophisticated ecommerce segmentation and personalization, but I'd generally avoid it when your primary constraint is budget. You can move to it later if your store grows enough to justify the additional cost.

My recommendation: Start with Brevo if you want one inexpensive tool for both email and SMS. Choose Omnisend instead if ecommerce automations are more important than minimizing your monthly cost.

If you tell me roughly how many email subscribers you have and how many SMS messages you expect to send per month, I can calculate which would actually be cheapest for your store.

For a small ecommerce store on a tight budget, I’d start with Omnisend.

My shortlist

Why Omnisend: It was built specifically for ecommerce and lets you run email and SMS campaigns and automations together, including welcome, abandoned-cart, and post-purchase workflows. Its free tier also gives small stores a way to get started before paying. www.omnisend.com

Brevo is worth considering if your absolute priority is minimizing the bill. Its pricing is primarily based on email volume rather than the number of contacts, which can be advantageous if you have a large list but don't email frequently. It also supports SMS and CRM features. www.omnisend.com

I'd skip Klaviyo initially unless you already have enough sales volume to justify sophisticated segmentation and analytics. Its capabilities are excellent, but the paid email+SMS plans start higher than the budget-oriented alternatives. www.klaviyo.com

My pick: Omnisend if you're selling through Shopify/WooCommerce and want one inexpensive tool for both channels. Brevo if keeping monthly costs as low as possible matters more than ecommerce-specific features.

If you tell me roughly how many customers/emails you have and which ecommerce platform you use (Shopify, WooCommerce, Etsy, etc.), I can tell you which one is likely to be cheapest for your specific store.

For a small ecommerce store on a tight budget, I’d start with Omnisend.

Why:

• Built specifically for ecommerce rather than being a generic email platform.
• Handles email + SMS in the same campaigns and automations, including abandoned-cart and post-purchase flows. www.omnisend.com
• It has a free plan, and paid plans start around $16/month for 500 contacts according to current 2026 pricing comparisons. www.omnisend.comwww.omnisend.com
• You get ecommerce-focused features without the complexity/cost of Klaviyo.

My budget ranking

Brevo is particularly interesting if you're extremely cost-sensitive: its pricing is largely based on emails sent rather than contacts, with a Starter tier reported at $9/month for 5,000 emails. www.omnisend.com

I'd avoid starting with Klaviyo unless you already have a sizable store and need sophisticated segmentation/predictive analytics. Its Email + SMS plan starts around $35/month at 500 active profiles and climbs substantially as your audience grows. www.omnisend.com

Bottom line:
👉 Omnisend if ecommerce automation and SMS are both important.
👉 Brevo if your #1 priority is spending as little as possible.

If you tell me what ecommerce platform you use (Shopify, WooCommerce, Etsy, etc.) and roughly how many email subscribers you have, I can narrow it down to the cheapest option for your specific store.

If you want one tool for both email + SMS and you're watching every dollar, I’d shortlist these:

My pick: Brevo

Brevo is probably the best starting point if budget is the #1 concern. Its free plan includes email and SMS campaigns, with up to 300 emails/day, and its Starter plan begins at $9/month. help.brevo.com

The catch is that Brevo's free plan has relatively modest email-sending limits, so you'd eventually pay as your volume grows.

If ecommerce automation matters more: Omnisend

I'd choose Omnisend if you're on Shopify or another ecommerce platform and want things like abandoned-cart, browse-abandonment, product recommendations, segmentation, and automated email/SMS flows in one place.

Its free plan is limited to 250 contacts and 500 emails/month. More importantly, under Omnisend's current pricing, new customers need the Pro plan for SMS, starting at $59/month normally (currently displayed at $41.30/month with its introductory 3-month discount), plus SMS charges starting at $0.007/message for U.S./Canada at qualifying volume. support.omnisend.com

So for a really tight budget, Brevo wins initially; for a growing ecommerce store where automation is worth paying for, Omnisend is more compelling.

I wouldn't start with Klaviyo on a tight budget unless you already know you need its more sophisticated segmentation/analytics.

If you tell me your approximate number of customers/email subscribers and how many SMS messages you expect to send per month, I can calculate which of these would actually be cheapest for your store.

For a small ecommerce store on a tight budget, I’d shortlist these three:

🥇 I'd start with Omnisend

It was built specifically around ecommerce and puts email and SMS into the same campaigns, automations, segmentation, and customer journeys. Its free tier is aimed at small stores, and paid plans start around $16/month; current comparisons put it below Klaviyo at many contact levels. www.omnisend.com

That's particularly useful for automations like:

• Welcome → email + SMS
• Abandoned cart
• Browse abandonment
• Post-purchase follow-up
• Product/customer win-back
• Promotional campaigns

🥈 Consider Brevo if "cheap" is the #1 priority

Brevo uses send-based pricing rather than contact-based pricing, which can be excellent if you have a relatively large customer list but don't email constantly. Its free plan supports unlimited contacts with a daily email limit, and it combines email, SMS, CRM and other channels. www.omnisend.com

The tradeoff is that its ecommerce automation isn't as specialized as Omnisend/Klaviyo.

🥉 I'd hold off on Klaviyo

Klaviyo is excellent, particularly for sophisticated Shopify/DTC segmentation and analytics, but you're more likely to feel the cost as your customer list grows. Current 2026 pricing starts around $35/month for email + SMS at the 500-profile tier, versus Omnisend's lower starting point. www.omnisend.com

Bottom line: If you're running a small Shopify/WooCommerce-style store and want one inexpensive system for both email and SMS, I'd choose Omnisend. If you tell me roughly how many customers/subscribers you have and how many SMS messages you expect to send per month, I can work out which of the three is actually cheapest for you.

For a small ecommerce store on a tight budget, I’d shortlist Brevo and Omnisend, with Omnisend as my first choice if ecommerce automation matters.

🥇 My pick: Omnisend

Omnisend

It was specifically built around ecommerce and lets you run email and SMS campaigns plus automated flows such as welcome series, abandoned cart, and post-purchase messages in the same system. Its current paid plans start around $16/month for 500 contacts, while the free plan provides a way to get started. www.omnisend.comwww.omnisend.com

That makes it particularly attractive if you're on Shopify or WooCommerce and want something more ecommerce-oriented than a generic email platform.

💰 If minimizing cost is priority #1: Brevo

Brevo

Brevo uses send-based pricing rather than primarily charging by contact count, which can be a major advantage if you have a growing customer list but don't send constantly. Its free tier and low-cost paid plans also include multichannel capabilities such as email and SMS. www.omnisend.com

I'd choose Brevo if: you have lots of contacts, relatively modest email volume, and want the cheapest all-in-one option.

🚫 I wouldn't start with Klaviyo

Klaviyo

Klaviyo is excellent, particularly for sophisticated segmentation and customer journeys, but its pricing scales with active profiles and its Email + SMS offering starts higher. It's easier to justify once your store has enough sales volume to benefit from its more advanced analytics and automation. www.omnisend.comwww.omnisend.com

Bottom line:

• Small ecommerce store + want easy email/SMS automation → Omnisend
• Absolute lowest cost + large list → Brevo
• Growing/advanced store with sophisticated marketing → Klaviyo

If you tell me your approximate number of customers/subscribers and monthly email/SMS volume, I can work out which one would actually be cheapest for you.