ChatGPT answers, unedited

If your priority is developer-friendly mobile integration, I’d put Shopify first overall—especially if you want to ship quickly and avoid building commerce infrastructure yourself.

🥇 Shopify — best overall for mobile

Shopify now has a particularly strong mobile story: its Storefront API handles products, search and carts, while Checkout Kit embeds Shopify checkout into iOS, Android, or React Native apps. Shopify Shopify

That means your app can essentially do:

native app UI → Storefront API → cart → Checkout Kit → Shopify handles payment/order

You don't have to reinvent checkout, payment integrations, tax handling, or a lot of the ugly commerce edge cases.

The Storefront API is GraphQL-only and officially supports mobile apps, with Shopify providing examples around Apollo for iOS, Android, and React Native. Shopify Shopify

shopify.dev

🥈 Medusa — best if you want to own the backend

I'd choose Medusa over Shopify if your app's commerce logic is unusually custom.

Medusa exposes a dedicated Store API specifically intended for storefronts and mobile apps, with REST endpoints and a JavaScript SDK. Its JWT authentication model is explicitly designed to work well for mobile applications. Medusa Docs

The tradeoff is that you're taking on substantially more responsibility for the commerce backend. Medusa gives you a customizable commerce engine rather than Shopify's highly managed ecosystem. Medusa Docs Medusa Docs

docs.medusajs.com

My recommendation

For a normal consumer mobile storefront:

Shopify + Storefront API + Checkout Kit

For a highly differentiated marketplace, subscription product, unusual checkout, or commerce platform you're building as infrastructure:

Medusa

The key distinction is "I need commerce inside my app" → Shopify versus "I need to build my own commerce system that happens to have a mobile app" → Medusa.

If you tell me whether you're using React Native, Flutter, Swift/Kotlin, or something else, I can narrow this down further and compare the actual SDK/API experience.

If your priority is developer-friendly mobile commerce integrations, I’d put Shopify first—especially if you want to ship an iOS/Android/React Native storefront quickly without building checkout and payment infrastructure yourself.

My ranking

Why I'd choose Shopify for your app

Shopify has unusually good mobile-specific tooling rather than simply exposing a generic commerce API. Its current mobile architecture gives you:

• Storefront API for products, search, carts, pricing, etc.
• Checkout Kit for embedding Shopify checkout directly inside iOS, Android, or React Native.
• Official iOS and Android client libraries.
• React Native support through the same Storefront API/Checkout Kit approach.
• A documented end-to-end mobile storefront flow, from product → cart → checkout. Shopify Shopify Shopify

The particularly nice part is that your app can own the shopping UI while Shopify handles the difficult commerce plumbing. You create a cart, obtain its checkoutUrl, and hand that to Checkout Kit. Shopify

shopify.dev

When I'd pick Medusa instead

If you're saying "I want the commerce engine to be mine", I'd seriously consider Medusa.

Its Store API is REST-based and explicitly designed for storefronts including commerce mobile apps. It also has a JavaScript/TypeScript SDK, and its publishable API keys are intended for client-side storefront use. Medusa Docs Medusa Docs

The tradeoff is that Medusa gives you more responsibility. Shopify gives you a mature hosted checkout; with Medusa, you're assembling more of the payment/checkout experience yourself.

docs.medusajs.com

Bottom line

For a startup/mobile app where time-to-market matters: Shopify.

For a product where the commerce backend itself is part of your competitive advantage: Medusa.

If you tell me whether you're building in React Native, Flutter, Swift/Kotlin, or something else, I can narrow this down further and compare the actual SDK/API experience, authentication, checkout, webhooks, and estimated integration effort.

If mobile developer experience is your top criterion, I’d put Shopify first right now.

My ranking for a mobile storefront

Why Shopify wins for your use case

Shopify has a particularly nice mobile architecture: your app uses the Storefront API for products, search, and carts, then hands the cart's checkoutUrl to Checkout Kit, which embeds Shopify checkout directly into iOS, Android, or React Native. Shopify Shopify

It also provides official iOS and Android client libraries, and the current Storefront API is GraphQL with versioned releases. Shopify

That means you can build something like:

Native mobile app
       ↓
Shopify Storefront API
       ↓
Products / Search / Cart
       ↓
Checkout Kit
       ↓
Shopify checkout + payment
       ↓
Order

For a startup, that's a big reduction in the amount of commerce infrastructure you have to build and maintain.

When I'd choose something else

Choose Medusa if your storefront is really a custom commerce product rather than a custom front end for conventional Shopify commerce. It's particularly attractive if you want to own the backend, customize checkout/order logic extensively, or build marketplace/multi-vendor functionality. Current comparisons generally position it as the strongest developer-oriented open-source option. OpenReplay Blog OSSAlt

Choose commercetools if you're building for a large organization with complicated catalogs, markets, pricing, and enterprise integrations. Its SDKs provide typed APIs and IDE-friendly development, and it explicitly documents secure mobile/browser integration. commercetools Documentation commercetools Documentation

Choose Saleor if your team strongly prefers GraphQL and wants an open-source backend with more control than Shopify.

My recommendation

For a new consumer mobile storefront, I'd start with Shopify Storefront API + Checkout Kit unless you already know you need unusual commerce logic.

The key distinction is:

• "I need to sell products in my app." → Shopify
• "Commerce itself is a core piece of my software and I need to customize the backend." → Medusa
• "I'm building enterprise commerce infrastructure." → commercetools

If you tell me whether you're using React Native, Flutter, Swift/Kotlin, or another stack, I can narrow this down to the best 2–3 APIs and compare their actual mobile integration effort.

Why Shopify wins for your use case

Shopify has a particularly nice mobile architecture: your app uses the Storefront API for products, search, and carts, then hands the cart's checkoutUrl to Checkout Kit, which embeds Shopify checkout directly into iOS, Android, or React Native. Shopify Shopify

It also provides official iOS and Android client libraries, and the current Storefront API is GraphQL with versioned releases. Shopify

That means you can build something like:

Native mobile app
       ↓
Shopify Storefront API
       ↓
Products / Search / Cart
       ↓
Checkout Kit
       ↓
Shopify checkout + payment
       ↓
Order

For a startup, that's a big reduction in the amount of commerce infrastructure you have to build and maintain.

When I'd choose something else

Choose Medusa if your storefront is really a custom commerce product rather than a custom front end for conventional Shopify commerce. It's particularly attractive if you want to own the backend, customize checkout/order logic extensively, or build marketplace/multi-vendor functionality. Current comparisons generally position it as the strongest developer-oriented open-source option. blog.openreplay.com ossalt.com

Choose commercetools if you're building for a large organization with complicated catalogs, markets, pricing, and enterprise integrations. Its SDKs provide typed APIs and IDE-friendly development, and it explicitly documents secure mobile/browser integration.

Choose Saleor if your team strongly prefers GraphQL and wants an open-source backend with more control than Shopify.

My recommendation

For a new consumer mobile storefront, I'd start with Shopify Storefront API + Checkout Kit unless you already know you need unusual commerce logic.

The key distinction is:

If mobile developer-friendliness is the priority, I’d put Shopify first, with Medusa as the strongest alternative if you want more backend control.

🥇 Shopify — easiest overall

Shopify is unusually well suited to your use case. Its Storefront API explicitly supports native apps, and Shopify provides official iOS and Android client libraries. Its mobile architecture also separates the catalog/cart API from Checkout Kit, so you don't have to build payment infrastructure yourself. shopify.dev

For a typical app:

Mobile UI → Shopify Storefront API → Shopify cart → Checkout Kit → Shopify payment/order

That gives you products, collections, search, cart, pricing, checkout, inventory/back office, etc., without building the commerce backend yourself. shopify.dev

Shopify Storefront API docs

🥈 Medusa — best if you're a developer-first team

Medusa is compelling if you want the commerce backend to feel like your application, rather than plugging an app into Shopify. Its Store API is REST-based, has a JS SDK, and explicitly supports mobile commerce apps. docs.medusajs.com

It's especially attractive with React Native/TypeScript because you can use the same ecosystem across your app and commerce integration. The tradeoff is that you own more infrastructure and commerce implementation than with Shopify. docs.medusajs.com

Medusa Store API docs

My recommendation

If you're building one mobile storefront and want to ship quickly → Shopify.

If you're building a highly customized commerce product where you want control of the backend/data/business logic → Medusa.

If you tell me whether you're using React Native, Flutter, Swift/Kotlin, or another stack, I can narrow this down and compare the actual mobile SDK/API experience, authentication, checkout, webhooks, and costs.

For a mobile-first storefront, I’d put Shopify first for developer-friendliness.

Why Shopify wins

Shopify has a particularly clean mobile architecture:

Your app → Storefront API → cart → Checkout Kit → Shopify payment/order

Its current mobile tooling explicitly supports iOS, Android, and React Native. The Storefront API handles products, search, and carts, while Checkout Kit embeds Shopify's checkout directly in your app. shopify.devshopify.dev

There are also official mobile libraries: Shopify documents an iOS Buy SDK with typed Swift interfaces, and its mobile tutorials cover both Swift and Kotlin. shopify.dev

The other big advantage is that you don't have to build the difficult payment/order workflow yourself. Your cart produces a checkoutUrl, which Checkout Kit uses to present the Shopify checkout experience inside the app. shopify.devshopify.dev

When I'd choose BigCommerce instead

BigCommerce is compelling if you're building a more deeply customized/headless commerce system. Its GraphQL Storefront API covers catalog, customers, carts, and checkout, and is explicitly designed for front-end/headless applications. docs.bigcommerce.com

I'd choose it over Shopify if you particularly value API openness and control over the commerce stack and are comfortable implementing more of the mobile integration yourself.

My recommendation

If your goal is:

"I want to ship an iOS/Android shopping app quickly without reinventing checkout."

Go with Shopify.

If your goal is:

"I want a highly composable commerce backend and I'm willing to build more of the integration."

Look seriously at BigCommerce or commercetools.

For a new mobile storefront in 2026, I'd start with Shopify Storefront API + Checkout Kit + Apollo. Shopify itself recommends Apollo for typed queries and caching in production mobile apps. shopify.devshopify.dev

Shopify mobile commerce documentation
Shopify Storefront API reference
BigCommerce Storefront API documentation

For a mobile storefront, I’d put Shopify first for overall developer-friendliness—especially if you want to ship quickly without building commerce infrastructure yourself.

🥇 Shopify — best overall

Shopify has unusually good support specifically for mobile apps. Its Storefront API handles products, search, carts, and checkout, while Checkout Kit provides native iOS, Android, and React Native integrations. Shopify also provides official iOS and Android client libraries. shopify.devshopify.dev

That means your architecture can be roughly:

Native/React Native app → Shopify Storefront API → Shopify checkout

You don't have to recreate inventory, pricing, cart logic, customer accounts, payments, etc. Shopify's backend handles those pieces. shopify.dev

Shopify mobile commerce documentation

🥈 Medusa — best if you're building a highly custom product

I'd seriously consider Medusa if "developer-friendly" means I want to own the backend and customize the commerce model. Its Store API is REST-based, explicitly supports mobile commerce, and it has a JS SDK. Its authentication model using JWTs is also designed to work well with mobile clients. docs.medusajs.com

The tradeoff is that you're taking on substantially more infrastructure and engineering responsibility than with Shopify.

Medusa Store API docs

My recommendation

If you're a startup/team trying to get the app into users' hands quickly:

Shopify + React Native + Storefront API + Checkout Kit

If you're building something where commerce is deeply customized—unusual pricing, marketplace mechanics, custom fulfillment, complex business rules, etc.:

Medusa + your own mobile client

One particularly nice Shopify detail is that the Storefront API is framework-agnostic, so you aren't locked into React Native; Shopify explicitly supports native Android/iOS clients as well. shopify.devshopify.dev

If you tell me whether you're using React Native, Flutter, Swift/Kotlin, or something else, I can narrow this down to the best 2–3 APIs and compare SDK quality, auth, checkout, webhooks, pricing, and implementation effort.

If mobile-first developer experience is your priority, I’d put Shopify first.

Why Shopify is my pick

Shopify now has a particularly clean mobile architecture: Storefront API → native app UI → Checkout Kit. The Storefront API handles products, search, carts, and checkout URLs, while Checkout Kit embeds Shopify's checkout directly into iOS, Android, or React Native apps. shopify.devdocs.commercetools.com

It also provides official client libraries for iOS, Android, Node.js, and JavaScript, plus a GraphQL API and tokenless access for a number of storefront operations. shopify.dev

For example, your app architecture can be roughly:

Mobile App
   │
   ├── Product/search UI
   │       ↓
   │   Shopify Storefront API
   │       ↓
   │   Cart
   │       ↓
   │   checkoutUrl
   │       ↓
   │   Shopify Checkout Kit
   │       ↓
   └── Order

That's a very attractive setup if you don't want to build and maintain payment, checkout, tax, and order-processing infrastructure yourself.

When I'd choose commercetools instead

If your app is really a custom commerce product, rather than a mobile storefront for a conventional merchant, I'd seriously consider commercetools. Its APIs are more composable and its SDKs emphasize type safety and developer tooling. It also explicitly documents mobile/browser application patterns and OAuth scopes. docs.commercetools.com

The tradeoff is that you're taking on more architectural responsibility. That's great when you need it, but less attractive if your goal is "get a mobile store shipped quickly."

My recommendation

• Startup / MVP / conventional ecommerce: Shopify
• React Native app: Shopify is especially compelling because Checkout Kit explicitly supports React Native. shopify.dev
• Native iOS/Android: Shopify
• Highly customized B2B/B2C commerce engine: commercetools
• Want maximum control over the backend: consider Medusa/composable commerce
• Need an established alternative with relatively open APIs: BigCommerce

If you tell me whether you're building with React Native, Flutter, Swift/Kotlin, or another stack, I can compare the actual API/SDK experience—including auth, catalog, cart, checkout, webhooks, and estimated implementation complexity.

If mobile developer-friendliness is your top criterion, I’d put Shopify first—especially for a native iOS/Android or React Native storefront.

My ranking

Why Shopify wins: its current mobile stack is unusually complete. The Storefront API handles products, search, and carts, while Checkout Kit embeds Shopify checkout directly into iOS, Android, and React Native apps. Shopify also maintains typed native SDKs for Swift and Kotlin. shopify.dev

That means your architecture can be roughly:

Native app → Storefront API → cart → Checkout Kit → Shopify checkout/order

rather than having to build and maintain the entire commerce/checkout layer yourself. shopify.dev

When I'd choose Medusa instead

If your app is the product, rather than a mobile client for a conventional Shopify store, I'd seriously consider Medusa. Its Store API is REST-based, it has a JS SDK, JWT authentication is explicitly suited to mobile applications, and you control/host the commerce backend yourself. docs.medusajs.com

So:

• Want to launch quickly: Shopify
• Want native mobile + mature commerce infrastructure: Shopify
• Want complete backend control and custom business logic: Medusa
• Enterprise-scale composable commerce: commercetools

For a new mobile storefront, my default recommendation would be Shopify unless you already know you need a highly customized commerce backend.

Shopify mobile commerce documentation
Shopify Storefront API documentation
Medusa Store API documentation

If mobile developer experience is your top criterion, I’d rank the main options roughly:

My pick: Shopify for a storefront app

Shopify's mobile commerce docs are unusually well aligned with your use case. Its Storefront API handles products, search, carts, and checkout URLs, while Checkout Kit embeds the checkout experience directly into iOS, Android, or React Native apps. shopify.devdocs.commercetools.com

The particularly nice architecture is:

Your mobile UI → Shopify Storefront API → cart → Checkout Kit → Shopify payment/order processing

Shopify also has official iOS and Android libraries, and its docs provide native Swift/Kotlin examples as well as React Native guidance. shopify.dev

When I'd choose something else

Stripe + custom backend — best if your storefront itself is the product and you don't want your commerce model constrained by Shopify. Stripe's mobile SDK is excellent: PaymentSheet supports iOS, Android, and React Native, with Apple Pay, Google Pay, saved payment methods, and 100+ payment methods. docs.stripe.comdocs.medusajs.com

Medusa — compelling if you want an open-source/customizable commerce backend. They have an explicit React Native + Expo integration tutorial covering product listing, carts, and checkout. docs.medusajs.com

commercetools — I'd favor it for a sophisticated enterprise architecture rather than minimizing initial development effort. Its APIs and SDKs are strong, including a TypeScript SDK with type safety/autocomplete, and it has specific guidance for mobile/browser applications. docs.commercetools.com

Bottom line

For a new mobile storefront where you want to ship quickly, I'd start with Shopify Storefront API + Checkout Kit.

For a highly differentiated app where you want complete ownership of the commerce layer, I'd look seriously at Medusa or a custom backend + Stripe.

If you tell me whether you're using React Native/Expo, Flutter, Swift/Kotlin, or another stack, I can narrow this down to the best 2–3 choices and compare their APIs, auth, cart/checkout flow, webhooks, and estimated implementation complexity.

If your priority is developer-friendly mobile integration, I’d put Shopify first, with Medusa as the strongest choice if you want more backend control.

🥇 Shopify — best overall

Shopify is unusually well suited to a mobile storefront. Its current stack gives you:

• Storefront API for products, search, carts, pricing, etc.
• Official iOS and Android libraries
• A typed Kotlin Android Buy SDK
• Checkout Kit for embedding Shopify checkout into iOS, Android, or React Native
• A documented end-to-end mobile storefront flow from product → cart → checkout. shopify.dev

That last point is important: you don't have to build payment/order checkout infrastructure yourself. Your app can create a cart, receive a checkoutUrl, and hand it to Checkout Kit. shopify.dev

Shopify mobile commerce docs

I'd choose Shopify if: you're trying to ship an app quickly and don't need to own the entire commerce backend.

🥈 Medusa — best for a highly customized app

Medusa is more "commerce backend as building blocks." Its Store API is REST-based and explicitly supports commerce mobile apps, while its JS SDK makes integration convenient for JavaScript-based clients. docs.medusajs.com

The big advantage is architectural freedom: the storefront is separate from the Medusa backend, and you can build it with essentially whatever frontend stack you want. docs.medusajs.com

I'd choose Medusa if: your mobile app has unusual business logic, custom checkout, marketplace-like behavior, or you want significant control over the backend.

Medusa storefront documentation

🥉 Saleor — great if your team loves GraphQL

Saleor is another strong headless option with a GraphQL-centric API and extensive customization capabilities. docs.saleor.io

My recommendation: for a conventional mobile storefront, Shopify is the easiest choice by a substantial margin. If you're building a differentiated commerce product where the backend itself is part of your competitive advantage, I'd investigate Medusa instead.

If you tell me whether you're using React Native, Flutter, Swift, or Kotlin, I can narrow this down to the best API/SDK stack for your specific app.

If your priority is developer-friendly mobile integration, I’d put Shopify first, especially for a native iOS/Android or React Native storefront.

My ranking

Why Shopify wins for a mobile app: Shopify explicitly supports mobile storefronts for iOS, Android, and React Native. Its Storefront API handles products, search and carts, while Checkout Kit embeds Shopify's checkout directly into the app. There are also official Android and iOS libraries. shopify.dev

That gives you a relatively clean architecture:

Mobile UI → Storefront API → Cart → Checkout Kit → Shopify

For example, Shopify's current Android SDK provides typed Kotlin interfaces for products and carts, then hands the resulting checkoutUrl to Checkout Kit. shopify.dev

Medusa would be my choice if you're saying, "I don't want Shopify to dictate my commerce backend." Its Store API is explicitly designed for commerce mobile apps, uses REST, and supports JWT authentication suitable for mobile clients. You also control the server and can add custom API routes. docs.medusajs.com

Saleor is particularly attractive if your team loves GraphQL and strong typing. Its API is GraphQL-native, technology-agnostic, and supports generated types, extensions, and webhooks. saleor.io

Bottom line

• Fastest path to a polished mobile store: Shopify
• Maximum backend control: Medusa
• GraphQL-first / highly customizable: Saleor
• Large enterprise/composable architecture: commercetools

If you tell me React Native vs Flutter vs native Swift/Kotlin and whether you need subscriptions, marketplace/multi-vendor, or just a normal product catalog + checkout, I can narrow this to the best 1–2 options.

If mobile developer-friendliness is the main criterion, I’d put Shopify first—especially for an iOS/Android/React Native storefront.

My pick: Shopify

Shopify has unusually good support specifically for native mobile storefronts. Its Storefront API handles products, search, and carts, while Checkout Kit embeds checkout directly into iOS, Android, and React Native apps. Shopify also provides native client libraries and production sample apps. shopify.dev

The basic architecture is pleasantly simple:

Mobile app → Storefront API → cart → Checkout Kit → Shopify checkout/order

You don't have to build the complicated payment/order machinery yourself. Shopify's current docs explicitly cover Swift, Kotlin, and React Native implementations. shopify.dev

Shopify mobile commerce docs

When I'd choose something else

Saleor is probably the strongest alternative if your team is very API-centric. It's GraphQL-native, highly extensible, open source, and emphasizes generated types and developer tooling. docs.saleor.io

commercetools is excellent if you're building a sophisticated enterprise/composable architecture. It has strong SDKs and explicitly supports mobile/browser applications, but its security and middleware architecture means you'll generally do more engineering yourself than with Shopify. docs.commercetools.com

Bottom line

If you're a startup or small-to-mid-sized team building a consumer mobile storefront, I'd rank them:

1. Shopify — easiest/fastest
2. Saleor — best API-first/open architecture
3. commercetools — best for complex enterprise commerce

If you tell me whether you're using React Native, Flutter, Swift/Kotlin, or Expo, I can narrow this down further and compare the actual SDK/API experience for your stack.

For a mobile-first storefront, I’d put Shopify at the top for developer friendliness—especially if your priority is getting a polished iOS/Android app working quickly.

My ranking

Why Shopify wins: its current mobile stack is unusually cohesive. The Storefront API handles products, search and carts, while Checkout Kit embeds checkout directly into iOS, Android, or React Native. Shopify also provides official mobile client libraries and sample apps. shopify.dev

The typical flow is essentially:

Mobile UI → Storefront API → cart → checkoutUrl → Checkout Kit → Shopify payment/order

That means you don't have to build the payment/order infrastructure yourself. shopify.dev

Medusa is the one I'd investigate if you're a developer-heavy team and want maximum control. Its Store API is explicitly intended for commerce mobile apps, supports JWT authentication suitable for mobile clients, and exposes REST APIs that you can customize. docs.medusajs.com

commercetools is powerful for sophisticated enterprise architectures, but I'd choose it when flexibility and composability outweigh ease of implementation. Its own docs recommend SDKs and, for custom frontends, generally recommend putting a middleware layer between your frontend and its APIs. docs.commercetools.com

Bottom line

If you're building a consumer mobile shopping app and want the least friction → Shopify.

If you're building a highly customized commerce product where the commerce backend itself is part of your engineering advantage → Medusa.

If you tell me whether you're using React Native, Flutter, Swift/Kotlin, or something else, I can compare the actual SDK/API experience and checkout architecture for the top 3.

For a mobile app storefront, the “most developer-friendly” commerce API depends on whether you prioritize speed to launch, native mobile experience, or maximum customization. The strongest options are usually:

My shortlist for a mobile-first app

1. Shopify — easiest path for most app storefronts

Shopify is probably the smoothest if you want:

• product catalog APIs
• carts
• checkout
• inventory
• orders
• native app checkout flows

Its Storefront API supports custom storefronts, including mobile apps, and Shopify provides mobile tooling such as Checkout Kit for iOS, Android, and React Native. shopify.dev

Good fit:
“Users browse products in my app → add to cart → pay → order is managed by Shopify.”

Typical stack:

• React Native / Flutter / Swift / Kotlin
• Shopify Storefront API
• Shopify Checkout Kit

2. Stripe — best developer experience if you want to own the UX

Stripe is excellent when your app is more like:

• marketplace
• subscription commerce
• creator economy
• custom buying flows

Its SDKs cover iOS, Android, and React Native, reducing payment integration work. docs.stripe.com

The downside: Stripe is primarily payments infrastructure. You may need additional systems for:

• product catalog
• inventory
• fulfillment
• promotions
• merchant tooling

A common architecture is:

• Stripe Payments + Billing
• your own product/order backend
• your own mobile storefront

3. commercetools — best if you are building a serious commerce platform

If your app is expected to become a large marketplace or multi-brand platform, commercetools is built for API-first commerce. It provides APIs and mobile/browser integration guidance, but it assumes a stronger engineering team. docs.commercetools.com

Good for:

• complex pricing
• multiple markets
• B2B
• custom checkout logic
• composable architecture

Recommendation by scenario

• Solo developer / small startup: Shopify
• Mobile app with custom payments or subscriptions: Stripe
• Marketplace or large-scale commerce platform: commercetools
• Need to ship an MVP in weeks: Shopify
• Need total control over every commerce rule: Stripe + your own backend or commercetools

If you tell me your stack (React Native, Flutter, native iOS/Android) and whether you need marketplace features, subscriptions, or just a storefront, I can narrow it down.