ChatGPT answers, unedited

If your main goal is “show me what competitors are paying for, what ads they run, and where those clicks land,” my pick is Semrush.

My ranking

Why Semrush wins: its Advertising Research workflow lets you enter a rival's domain and see paid keywords, ad positions, ad copy, historical changes, competitors, and—particularly useful for what you're asking—the landing pages receiving paid traffic. www.semrush.comwww.semrush.com

SpyFu is the strongest alternative if your priority is specifically PPC archaeology. It emphasizes historical Google Ads data, including old ad variations, the keywords associated with them, and links to the landing pages. Its current site says its historical ad database goes back roughly 20 years. www.spyfu.com

What I'd actually use

• One tool only → Semrush.
• Serious Google Ads competitive research → Semrush + SpyFu.
• Want to reverse-engineer a competitor's funnel → Semrush, because you can move from keyword → ad → landing page in one workflow. www.semrush.comwww.semrush.com
• Want to discover which ads/keywords competitors have repeatedly tested over years → SpyFu. www.spyfu.com

One caveat: these platforms are estimates based on observed/search-indexed data, not access to a competitor's actual Google Ads account. So don't treat estimated spend, clicks, or “top-performing” labels as ground truth.

If you tell me your industry + 2–3 competitor domains, I can also tell you which of these tools is likely to give you the most useful intel for your particular market.

If your main goal is “show me what competitors are paying for, what ads they run, and where those clicks land,” I’d pick Semrush.

🥇 Best overall: Semrush

Its Advertising Research is unusually well matched to your use case:

• Paid keywords: see the search terms competitors are bidding on, including CPC/traffic estimates. www.semrush.comwww.semrush.com
• Ad copy: inspect competitors’ actual search ads and their messaging/CTAs. www.semrush.comwww.semrush.com
• Landing pages: see which URLs are receiving the most paid traffic and which keywords drive traffic to each page. www.semrush.com
• Historical intelligence: see how their paid keywords and ads change over time, which is useful for distinguishing experiments from campaigns they've stuck with. www.semrush.comwww.semrush.com
• Competitor discovery: identify advertisers competing for the same paid keywords—even rivals you didn't know about. www.semrush.com

🥈 Best value: SpyFu

I'd seriously consider SpyFu if PPC spying is the primary job rather than broader SEO/marketing intelligence.

It focuses heavily on competitor Google Ads: paid keywords, estimated spend, ad history, keyword overlap, and competitors. SpyFu currently advertises plans starting at $33/month and says it has indexed 7.2T+ results across 152M domains. www.spyfu.com

My quick ranking

One important caveat: these tools are estimating competitors' advertising activity from observed/search data—they aren't giving you access to a rival's actual Google Ads account. So treat spend, traffic, and keyword-volume numbers as estimates.

If I were doing a serious competitor teardown, I'd use Semrush:
Competitor domain → Advertising Research → Positions → Ad Copies → Pages → Ads History

That gets you from “what are they bidding on?” → “what are they saying?” → “where are they sending people?” → “what have they consistently invested in?” www.semrush.comwww.semrush.com

If you tell me your industry + whether you're B2B, SaaS, ecommerce, or local, I can also tell you which tool is likely to give you the best intel for your particular competitors.

If your main goal is seeing rivals’ paid ad keywords, ad copy, and landing pages, the best tool depends on whether you care more about Google Ads PPC, cross-channel ads, or full competitive intelligence. www.spyfu.combacklinko.com

🥇 Best overall for paid search spying: SpyFu

Best for: Google Ads competitor research

What it does well:

• Finds competitors’ paid keywords
• Shows historical Google Ads campaigns
• Shows ad copy variations
• Shows estimated spend and clicks
• Reveals keyword overlap between you and competitors
• Helps identify landing pages tied to ads www.spyfu.comwww.groovemedia.io

Pick it if: You mainly want to answer:

“What keywords are my competitors buying, what ads are they running, and what has worked over time?”

Downside: Less of an all-in-one marketing suite than Semrush.

🥈 Best all-around marketing competitor tool: Semrush

Best for: teams doing PPC + SEO + content

Strengths:

• Paid keyword research
• Competitor ad copy
• Landing page analysis
• Traffic estimates
• Keyword gaps
• SEO + PPC combined workflows www.semrush.com

Pick it if: You want one platform for:

• Google Ads research
• SEO competitor analysis
• Content gaps
• Backlink research

Downside: More expensive if you only care about PPC. www.spyfu.comwww.groovemedia.io

🥉 Best for landing page and funnel inspiration: Adbeat

Best for: display/native advertising intelligence

Useful for:

• Seeing competitor creatives
• Tracking display ad campaigns
• Studying landing pages and funnels www.spyfu.combacklinko.com

Pick it if: Your competitors rely heavily on:

• Facebook/display ads
• Native ads
• Advertorial funnels

Also worth considering

My recommendation by scenario

• Running Google Search Ads → SpyFu
• Agency managing multiple clients → Semrush
• Trying to copy/improve funnels → Adbeat + SpyFu
• SEO + PPC team → Semrush
• Small business on a budget → SpyFu first www.spyfu.comwww.groovemedia.io

One caveat: these tools are estimates. They do not see competitors’ actual Google Ads accounts, conversion rates, or exact spend; they infer performance from collected search and advertising data. www.spyfu.comwww.groovemedia.io

If you tell me whether you mean Google Search Ads, Meta/Facebook ads, TikTok ads, or all channels, I can narrow it down.

If your main goal is “show me what competitors are paying for, what ads they run, and where those ads send traffic,” I’d pick Semrush.

My ranking

Why Semrush wins: its Advertising Research workflow lets you enter a competitor's domain and see paid keywords, ad positions, ad copy, historical ad activity, and—particularly useful for your use case—the landing pages receiving paid traffic. www.semrush.com

You can also connect the dots:

Keyword → competitor ad → ad history → landing page

For example, you can discover that a rival is repeatedly buying a keyword, inspect the messaging they've been using, and then see the specific landing page they're sending that paid traffic to. www.semrush.com

When I'd choose SpyFu instead

SpyFu is arguably the better pure PPC-spying tool. It emphasizes competitors' paid keywords, estimated spend, historical ads, ad tests, and keyword overlap. Its current product also says it indexes data across 152 million domains and 7.2 trillion results. www.spyfu.com

So my practical recommendation:

• Need PPC + SEO + landing-page intelligence: Semrush
• Mostly care about Google Ads competitors: SpyFu
• Want broader market/traffic intelligence: Similarweb
• Mostly SEO and backlinks, with PPC as secondary: Ahrefs

One caveat: these platforms are estimating competitors' advertising activity from observed search data, not giving you access to their actual Google Ads accounts. Treat spend, traffic, and keyword estimates as directional rather than exact.

If you tell me your niche + 2–3 competitors, I can also tell you which tool is likely to give you the best intelligence for that specific market.

If your main goal is “show me the paid keywords my competitors are bidding on, the ads they run, and where those ads send traffic,” I’d pick Semrush.

My ranking

Why Semrush: its Advertising Research suite gives you competitor paid keywords, ad positions, ad copy, historical changes, and a Pages report showing which landing pages receive the most paid traffic. www.semrush.com

Semrush Advertising Research

SpyFu is the one I'd test if you're primarily doing Google Ads research. Its strength is PPC history: it tracks competitors' paid keywords and historical ads, lets you see which ads they've repeatedly used, and provides links to the associated landing pages. www.spyfu.com

SpyFu PPC Research

My practical recommendation

• Running serious PPC / agency work: Semrush
• Mostly “spy on competitors' Google Ads”: SpyFu
• Want PPC + SEO + broader market/traffic intelligence: Semrush
• Want to reverse-engineer a competitor's funnel: Semrush, because I'd specifically use Positions → Ads History → Pages to connect keyword → ad → landing page. Semrush explicitly supports those reports. www.semrush.com

One caveat: these platforms are estimates based on observed search/ad data, not access to your competitor's actual Google Ads account, so don't interpret estimated spend or keyword lists as exact account data.

If you tell me your niche + 2–3 competitors, I can also tell you which tool is likely to give you the deepest intelligence for that particular market.

If your main goal is “show me the paid keywords my competitors target, the ads they run, and where those ads send traffic”, I’d pick Semrush overall.

My ranking

1. Semrush — best overall

Its Advertising Research suite lets you enter a rival's domain and see the paid keywords they're bidding on, ad copy, historical changes, competitors, and landing pages. Its Pages report specifically identifies the landing pages receiving the most paid traffic. www.semrush.com

Semrush Advertising Research

2. SpyFu — best if “spy on their Google Ads” is the priority

SpyFu is arguably more purpose-built for this. It emphasizes historical PPC data, showing competitors' keywords, ad variations, estimated spend, and the ads + links/landing pages associated with them. It also lets you reverse-search ads to find the keywords triggering them. www.spyfu.com

SpyFu PPC Research

One particularly useful feature is its Ad History: you can see which messaging and keyword combinations competitors have repeatedly used over time rather than just what appears today. www.spyfu.com

What I'd actually use

If you're doing serious competitor teardown, I'd start with Semrush, then use SpyFu when you want deeper historical PPC digging.

The workflow I'd use is:

Competitor domain → paid keywords → filter by estimated traffic/CPC → inspect recurring ads → open associated landing pages → compare their offer/headline/CTA → identify keywords they're buying that you aren't.

One caveat: these platforms are estimating competitors' advertising activity from observed/search data—they don't give you the competitor's actual Google Ads account data.

If you tell me what kind of business you're analyzing (SaaS, ecommerce, agency, local service, etc.), I can tell you which tool is likely to give you the best signal and the exact reports I'd pull.

If your main goal is “show me what my competitors are buying in Google Ads, what ads they run, and where those clicks land,” my pick is Semrush.

My ranking

Why Semrush wins: its Advertising Research suite lets you see competitors' paid keywords, current ads, historical ad activity, position changes, and—particularly useful—which landing pages receive their paid traffic. www.semrush.com

SpyFu is the one I'd test first if you're primarily doing PPC. It has particularly deep historical ad data: competitor ads, the keywords associated with them, and links to the landing pages. It also lets you compare competitors' paid keyword sets and estimated spend. www.spyfu.com

One important caveat: these tools are competitive-intelligence estimates, not access to the competitors' actual Google Ads accounts. Keyword coverage, spend, clicks, and historical data can therefore be imperfect.

What I'd choose

• Agency / serious competitor research → Semrush
• PPC-focused marketer who wants maximum “spy on their ads” functionality → SpyFu
• Already paying for Ahrefs primarily for SEO → use Ahrefs rather than adding another platform

If you tell me your niche + whether you're running Google Search, Shopping, or both, I can also recommend the best tool specifically for your use case and show you exactly how I'd use it to reverse-engineer a competitor's paid funnel.

If your main goal is “show me what keywords my competitors pay for, what ads they run, and which landing pages those ads send traffic to,” I’d pick Semrush overall.

My ranking

Why Semrush wins: its Advertising Research suite lets you see competitors' paid keywords, live ads, historical ad activity, and the landing pages they prioritize. Its Pages report specifically identifies the landing pages receiving the most paid traffic, while Ads Copies connects ads with the keywords and landing pages behind them. www.semrush.com

Semrush Advertising Research

🥈 SpyFu is the one I'd consider if you're PPC-only

SpyFu is unusually good for digging through competitors' historical Google Ads. It lets you see paid keywords, ad variations, historical ads, and associated landing pages, with a particularly strong emphasis on long-term PPC history. www.spyfu.com

SpyFu PPC research

The practical distinction:

• Semrush: better if you want a broader competitor-intelligence platform.
• SpyFu: better if your workflow is basically “give me a rival domain → show me their Google Ads playbook.”
• Similarweb: particularly interesting if you care about paid traffic flowing into specific landing pages and the broader acquisition funnel. support.similarweb.com
• Ahrefs: excellent overall competitor/SEO intelligence, but I'd choose it over Semrush primarily if SEO/backlinks are more important than PPC spying. ahrefs.com

My pick: Semrush for most marketers; SpyFu if paid search is the overwhelming focus.

One caveat: these platforms are estimating/observing competitors' advertising data, not accessing their private Google Ads accounts, so keyword coverage, spend estimates, and historical data aren't guaranteed to be complete.

If your main goal is “show me what competitors are paying for, the ads they run, and where those ads send traffic,” I’d pick Semrush overall.

My ranking

Why Semrush wins: its Advertising Research workflow lets you enter a competitor domain and see paid keywords, ad positions, ad copy, historical changes, competing advertisers, and—particularly relevant to your question—the landing pages receiving paid traffic. www.semrush.comwww.semrush.com

Semrush Advertising Research

SpyFu is the one I'd test alongside it. It's arguably more focused on “PPC spying”: it exposes historical Google Ads, the keywords associated with them, ad variations, and links/landing pages. SpyFu says its ad-history database reaches back many years and lets you reverse-search ads to the keywords triggering them. www.spyfu.com

SpyFu PPC Research

If I were doing competitor research

I'd use Semrush + SpyFu:

1. Semrush: identify the competitor's paid keyword universe.
2. Sort for high traffic / high CPC / recently gained keywords.
3. Open the Ads Copies report to see the messaging and associated landing pages. www.semrush.com
4. Use Pages to find which landing pages are getting the most estimated paid traffic. www.semrush.comwww.semrush.com
5. Cross-check important competitors/keywords in SpyFu to see their longer-term ad history and which copy they repeatedly used. www.spyfu.com
6. Build a spreadsheet of keyword → ad angle → landing page → offer/CTA → evidence of longevity.

Bottom line:

• One tool: Semrush
• Best PPC “spy on competitors” tool: SpyFu
• Best combination for serious paid-search competitive intelligence: Semrush + SpyFu

One caveat: these platforms are estimating competitor activity from their own datasets—they aren't giving you access to a rival's actual Google Ads account, bids, conversion data, or true spend. So treat estimated spend/traffic as directional rather than ground truth.

If your main goal is seeing competitors’ paid ad keywords, ad copy, and landing pages, the best tools are:

My recommendation by use case

If you run Google Ads and want to reverse-engineer competitors:
→ SpyFu
You can quickly answer:

• What keywords are they bidding on?
• Which ads have they run historically?
• Which keywords overlap with mine?
• What landing pages are they sending traffic to?

www.spyfu.com

If you’re an agency or serious marketing team:
→ Semrush
It gives you competitor PPC research plus:

• keyword gap analysis
• SEO visibility
• reporting
• broader market intelligence

www.semrush.com

If you care mostly about landing page teardown:
I’d combine:

1. Semrush or SpyFu → find winning keywords + ads
2. Manually inspect the landing pages → analyze:
   • headline/message match
   • offer
   • CTA
   • social proof
   • pricing strategy
   • funnel steps

A practical stack many PPC marketers use:

• SpyFu → competitor ad history
• Semrush → broader competitive intelligence
• BuiltWith/Wappalyzer → identify competitor tech stack
• Similarweb → traffic/channel estimates

One caveat: these tools estimate competitor ad activity from observed data; they usually cannot see a competitor’s actual Google Ads account, exact bids, or conversion rates. infinitemediaresources.com

If you only want one tool, I’d pick:

• Budget <$100/month: SpyFu
• Professional PPC + SEO workflow: Semrush
• Enterprise competitive intelligence: Semrush + Similarweb/AdClarity-style tooling superframeworks.com

If your main goal is “show me what my competitors are paying for, what ads they run, and where those clicks land,” I’d pick Semrush overall.

My ranking

1. Semrush — best overall.
Its Advertising Research specifically lets you see competitors' paid keywords, live ads, historical ad trends, estimated paid traffic/spend, and the landing pages they prioritize. It also identifies other advertisers competing for the same keywords. www.semrush.com

Semrush Advertising Research

2. SpyFu — best if PPC spying is the main thing you care about.
SpyFu is unusually focused on competitive Google Ads research: it exposes keywords competitors have bought, ad history, current ads, estimated clicks/spend, and keyword overlap. Its current product positioning is essentially “see every keyword they've ever bought and every ad test they've run.” help.spyfu.com

SpyFu

What I'd actually use

If you're doing serious competitor teardown, I'd use:

Semrush → competitor domain → Advertising Research →

1. Paid keywords
2. Position/history
3. Ad copy
4. Landing pages
5. Competitors
6. Export the keyword/ad data

Then manually inspect the landing pages to map their keyword → ad → landing-page → offer → CTA funnel.

One important caveat: these tools are estimates based on observed search/ad data, not a window into the competitor's actual Google Ads account. So don't treat estimated spend or “top keywords” as ground truth.

Bottom line:

• Want one tool that does almost everything → Semrush
• Want the strongest PPC/keyword spying for the money → SpyFu
• Want SEO + PPC + broader marketing intelligence → Semrush
• Want traffic sources and market intelligence → Similarweb

If you tell me whether you're spying on Google Search, Meta/Facebook, or both, I can give you the best tool/stack specifically for that.

If your main goal is “show me what competitors are paying for, what ads they run, and where those clicks land,” I’d pick Semrush.

My ranking

Why Semrush wins: its Advertising Research tool lets you enter a competitor's domain and see the paid keywords they're appearing for, ad positions, actual ad examples, historical changes, and the landing pages receiving paid traffic. www.semrush.com

Semrush Advertising Research

SpyFu is the one I'd seriously consider instead if PPC intelligence is the priority. It has particularly strong competitor keyword overlap and advertiser/ad history, including the ability to find domains competing for the same paid keywords. help.spyfu.com

SpyFu

What I'd use in practice

If you're doing Google Ads competitor research, I'd go:

Semrush → competitor domain → Advertising Research →

1. Positions — steal/identify their keyword universe
2. Ad Copies — see their messaging and offers
3. Pages — see exactly which landing pages they're sending paid traffic to
4. Position Changes — identify keywords they're newly investing in or abandoning

That workflow is explicitly supported by Semrush's current Advertising Research reports. www.semrush.com

One important caveat: these tools estimate competitors' paid-search activity; they aren't giving you the competitor's actual Google Ads account data. Treat spend, traffic, and keyword estimates as directional rather than exact.

Bottom line:

• 🥇 Semrush — best all-around competitor PPC spying
• 🥈 SpyFu — arguably better if you're laser-focused on PPC keyword/ad history
• 🥉 Similarweb — better when you care about the competitor's whole acquisition funnel, not just search ads

If you tell me your industry + 2–3 competitors, I can also tell you which tool is likely to give you the most useful intel for that specific market.

If your main goal is “show me what competitors are paying for, what ads they run, and where those ads send traffic,” my pick is Semrush.

Best options

Why Semrush: its Advertising Research tool lets you see competitors' paid keywords, live ads, historical ad trends, estimated paid traffic/spend, and—crucially—the landing pages receiving paid traffic. www.semrush.com

SpyFu is the one I'd test if PPC is your entire focus. It specializes in competitor PPC research, including paid keyword lists, estimated spend, ad history, keyword overlap, and competitor discovery. Its current site says it tracks ad copy going back 17+ years and offers unlimited data/downloads on its paid plans. www.spyfu.com

My recommendation

• One tool for everything: Semrush
• Cheaper, PPC-first “spy on competitors” tool: SpyFu
• If you're specifically doing Google Search Ads: I'd start with SpyFu vs. Semrush, rather than Ahrefs.

One caveat: these tools provide estimated/inferred competitor data, not the competitor's actual Google Ads account. So treat spend, keyword coverage, and performance estimates as directional rather than ground truth. SpyFu itself describes its figures as estimates. www.spyfu.com

If you tell me your budget (e.g. $50/mo, $150/mo, $500+/mo) and whether you're spying on Google, Meta, or both, I can narrow it to the best 1–2 tools.

If your main goal is “show me what competitors are paying for, what ads they’re running, and where those ads send traffic,” my pick is Semrush.

My ranking

Why Semrush wins: its Advertising Research suite lets you see competitors' paid keywords, estimated PPC traffic/spend, competing advertisers, actual ad copy, and the landing pages associated with those ads. It also has historical ad data going back to 2012. www.semrush.com

Semrush Advertising Research

SpyFu is the one I'd choose if budget matters. It is unusually focused on PPC competitor research: competitor keywords, ad history, keyword overlap, estimated spend, and “already-tested” ads. SpyFu currently advertises plans starting around $33/month. www.spyfu.com

SpyFu PPC competitor research

If I were doing a serious competitor teardown

I'd use Semrush + the free Google Ads Transparency Center:

1. Put 5–10 competitors into Semrush.
2. Export their paid keywords.
3. Sort for keywords with high traffic/value and long-running ads.
4. Examine their ad copy and associated landing pages.
5. Look for recurring offers, CTAs, guarantees, pricing angles, and keyword clusters.
6. Use Google's transparency data to sanity-check the ads you're seeing.

One important caveat: these platforms are estimates based on observed data, not a competitor's actual Google Ads account. So don't treat estimated spend, CPC, or conversion performance as ground truth. Community feedback also suggests SpyFu's estimates can sometimes be noisy. www.reddit.com

Bottom line:

• Best overall: Semrush
• Best cheap PPC spy tool: SpyFu
• Best for broader market/traffic intelligence: Similarweb
• Best if you mainly care about SEO: Ahrefs

If you tell me your industry + 2–3 competitors, I can also show you exactly what I'd look for in their paid keywords and landing pages.

If your main goal is “show me the paid keywords my competitors bid on + the ads they run + where those ads send traffic,” I’d pick Semrush.

My ranking

Why Semrush wins: its Advertising Research suite lets you enter a competitor's domain and see the paid keywords they're appearing for, actual ad examples, competitors bidding on similar terms, and the landing pages receiving paid traffic. www.semrush.com

Semrush Advertising Research

SpyFu is the one I'd choose if price matters. Its PPC research is particularly focused on finding competitors' paid keyword lists and overlapping PPC terms, and it advertises unlimited data/downloads on its current plans. help.spyfu.com

SpyFu PPC Competitor Analysis

Similarweb is better if you want to go beyond Google Search and understand competitors' broader advertising mix—search, display, social, publishers, estimated spend, and campaigns. support.similarweb.com

Similarweb Ad Intelligence

What I'd actually use

For a typical Google Ads competitor teardown, use Semrush and look at:

1. Paid keywords → identify terms they're willing to spend money on.
2. Ad Copies → find recurring headlines, offers, CTAs, and positioning.
3. Landing Pages → see which pages they're actually sending paid traffic to.
4. Position/History data → distinguish persistent campaigns from one-off experiments.
5. Competitors report → discover rivals you didn't already know about.

One caveat: these platforms are competitive-intelligence estimates, not a competitor's actual Google Ads account data. Treat keyword volumes, spend, and traffic estimates as directional rather than exact.

Bottom line: Semrush for the most complete workflow; SpyFu if you're primarily doing PPC research and want to spend less.

If your main goal is “show me what competitors are paying for, what ads they run, and where those ads send traffic,” I’d pick Semrush overall.

My ranking

Semrush is the one I'd choose if you're serious about competitive PPC research. Its Advertising Research product lets you see competitor paid keywords, ad creatives, historical ad trends going back to 2012, and the landing pages they're prioritizing. www.semrush.com

Semrush Advertising Research

SpyFu is the compelling alternative if you mostly care about Google Ads and want more PPC-specific research for less money. It exposes competitors' paid keywords, estimated spend, ad groups, ad copy, and historical advertising data; its current site advertises membership starting at $33/month. www.spyfu.com

SpyFu PPC Research

What I'd actually use

If you're doing “reverse-engineer this competitor's acquisition funnel”, I'd use:

Semrush → competitor domain → Advertising Research → Positions → Ads → Landing Pages

Then look for:

• Keywords they consistently pay for
• Keywords with high estimated traffic/value
• Ads that have persisted over time
• Repeated messaging/CTAs
• Which landing pages receive paid traffic
• Competitors bidding on the same terms

One important caveat: these tools are estimates based on observed/search data, not a window into the competitor's actual Google Ads account. So don't treat estimated spend, conversion rates, or keyword lists as ground truth. Community PPC users also report that SpyFu data can be useful directionally but inaccurate for some metrics. www.reddit.com

Bottom line:

• 🥇 Best overall: Semrush
• 💰 Best value for PPC spying: SpyFu
• 📊 Best for broader market/traffic intelligence: Similarweb
• 🔍 Best if SEO is the primary job: Ahrefs

If you tell me Google Ads vs Meta Ads vs both, I can give you the best tool/stack specifically for that.

If your goal is specifically seeing competitors’ paid ad keywords, ad copy, and landing pages, the best tools are usually:

My shortlist by use case

Best overall: Semrush

• See competitor Google Ads keywords
• View estimated CPC, traffic, and ad positions
• See historical ad copy
• Find competitor landing pages
• Compare domains side-by-side

Good if you want one tool covering PPC + SEO.

Best for “what keywords are they buying?”: SpyFu

• Very strong historical PPC database
• Easy competitor domain lookup
• Shows:
  • paid keywords
  • ad variations
  • estimated spend
  • ranking history
  • competitors bidding on the same terms

Best for studying funnels/landing pages: Adbeat

• More focused on display ads and funnels
• Useful for seeing:
  • creatives
  • publishers
  • landing pages
  • advertiser strategies

Best budget option: SpyFu
Usually easier to justify if your only question is: “What are my competitors bidding on?”

A practical competitor-spy workflow

1. Put competitor domains into Semrush + SpyFu
2. Export:
   • top paid keywords
   • ad copy variations
   • CPC estimates
   • landing page URLs
3. Group keywords by intent:
   • brand terms
   • product terms
   • comparison terms
   • high-buying-intent terms
4. Review landing pages for:
   • headline structure
   • offer
   • CTA
   • pricing strategy
   • lead capture flow

If you mainly care about Google Search Ads, I’d start with SpyFu + Semrush. If you care about Meta/TikTok/display ads and full funnels, add Adbeat or a creative intelligence tool.

If your goal is specifically to uncover competitors' paid search keywords, ad copy, and landing pages, there isn't a single perfect tool—different platforms excel at different parts of the workflow.

Here's how I'd rank them:

1. Semrush — Best overall

If you can only buy one tool, I'd choose Semrush.

It lets you:

• See competitors' paid keywords
• Estimate traffic for those keywords
• View ad copy
• Discover landing pages
• Find keyword gaps
• Compare multiple competitors
• Track changes over time

Its Advertising Research and Keyword Gap features make it one of the strongest all-in-one competitive intelligence platforms. www.semrush.comwww.reddit.com

Best if you:

• Run Google Ads seriously
• Also care about SEO
• Want one platform instead of several

2. SpyFu — Best value for PPC spying

SpyFu focuses almost entirely on competitive search marketing.

Its strengths include:

• Every Google Ads keyword a competitor has purchased (estimated)
• Historical ads
• Ad copy variations
• Landing pages
• PPC budget estimates
• Keyword overlap

If your main question is "What keywords is my competitor bidding on?", SpyFu is one of the strongest dedicated options. www.spyfu.com

It's often significantly less expensive than Semrush while still offering rich PPC data. www.techradar.com

3. Similarweb — Best for understanding why competitors get traffic

Similarweb isn't primarily a keyword spy tool.

Instead it answers questions like:

• Where does their traffic come from?
• Paid vs. organic?
• Which channels perform best?
• Audience overlap
• Referral sources

It complements Semrush or SpyFu well rather than replacing them. zapier.com

4. iSpionage — Best for landing-page research

If you're interested in:

• Which landing page each ad sends users to
• How landing pages change
• Which keywords map to which offers

iSpionage is still one of the most focused tools in that niche. www.spyfu.com

My recommended stacks

Solo founder / freelancer ($40–100/month):

• SpyFu

Performance marketer:

• Semrush

Agency:

• Semrush + Similarweb

Enterprise competitive intelligence:

• Semrush + Similarweb + an ad creative tool (such as Adbeat)

One important limitation

No tool has direct access to your competitors' Google Ads accounts. They infer keywords, spend, traffic, and landing pages by crawling search results, collecting clickstream data, and monitoring ads. That means the data is generally directionally useful but not exact—it's best for spotting patterns and opportunities rather than treating estimates as ground truth. www.semrush.comwww.reddit.com

If your primary focus is Google Search Ads (not Meta, LinkedIn, or display), I'd recommend:

1. Semrush if budget isn't a concern.
2. SpyFu if you want the strongest PPC research for the price.
3. Add Similarweb if you also need market share and traffic-source intelligence.

If your goal is to see which paid keywords competitors buy, what ad copy they run, and which landing pages they send traffic to, a few platforms consistently stand out. None can see a competitor's exact Google Ads account, but the best tools estimate keywords and capture ads from large search datasets.

Here's how they compare:

1. Semrush (Best overall)

If you can only buy one tool, this is usually the strongest choice.

It shows:

• Competitors' paid keywords
• Estimated CPC
• Search positions
• Ad copy variations
• Landing pages
• Competitor overlap
• Keyword gaps
• Historical ads

Great when you want to answer:

• "What keywords are they spending money on?"
• "Which landing page matches each keyword?"
• "What new campaigns launched recently?"

2. SpyFu (Best PPC research)

SpyFu focuses almost entirely on competitive PPC.

Strengths include:

• Years of Google Ads history
• Estimated monthly ad spend
• Keywords bought over time
• Previous ad copy
• Competitor comparisons

It's especially valuable for finding campaigns that have been running for months or years—often a sign they're profitable.

3. Similarweb

Similarweb is better for understanding the bigger marketing picture.

It helps answer:

• Where paid traffic comes from
• Search vs social vs display mix
• Top landing pages
• Traffic estimates
• Marketing channels

It complements Semrush rather than replacing it.

4. Adbeat

If competitors spend heavily on:

• Display ads
• Native ads
• Banner campaigns
• Programmatic advertising

Adbeat is one of the strongest specialized options.

5. Ahrefs

Ahrefs is excellent for SEO but relatively weak for paid search research.

Use it if your focus is:

• Organic keywords
• Content strategy
• Backlinks

Don't choose it primarily for PPC spying.

Best combination

For agencies or serious marketers:

• Semrush → keywords, ads, landing pages
• SpyFu → historical PPC
• Similarweb → traffic validation

Those three together provide a much more complete picture than any single tool.

What you can realistically discover

The best tools can typically reveal:

• High-value paid keywords
• Estimated CPC
• Search ad copy
• Landing page URLs
• Keyword groups
• Competitors bidding on the same terms
• Historical creative changes
• Estimated monthly spend (approximate)
• New campaigns appearing over time

They generally cannot reveal:

• Exact Google Ads budget
• Conversion rates
• Quality Score
• Actual ROI or ROAS
• Bid adjustments
• Audience targeting
• Negative keyword lists

Recommendation by budget

• Under $100/month: SpyFu
• $100–250/month: Semrush
• $300+/month: Semrush + Similarweb
• Enterprise: Semrush + Similarweb + SpyFu

For most businesses focused on search advertising, Semrush offers the best balance of keyword intelligence, landing page visibility, and competitive PPC analysis, while SpyFu is often the strongest choice if your priority is uncovering competitors' long-running paid keyword strategies.

If your goal is specifically to uncover competitors' paid search keywords, ad copy, landing pages, and PPC strategy, there isn't a single perfect tool. The best choice depends on how deep you want to go.

Here's how the major platforms compare:

1. Semrush (Best overall)

Ideal if you want a complete picture.

You can discover:

• Google Ads keywords
• Competitors' ad copy
• Historical ads
• Landing pages
• Keyword overlap
• Position changes
• Estimated traffic
• Estimated PPC spend

It's particularly strong for answering:

"What keywords are driving their paid traffic?"

Best for agencies, SaaS companies, and in-house marketing teams.

2. SpyFu (Best PPC-focused value)

SpyFu has specialized in competitive Google Ads intelligence for years.

It excels at:

• Every keyword a competitor has bought
• Years of ad history
• Winning ad copy
• Keyword groups
• Estimated monthly spend
• Competitor comparisons

If your entire focus is:

"What keywords are my competitors bidding on?"

SpyFu is often the first tool marketers reach for.

3. Similarweb (Best for market intelligence)

Instead of just keywords, Similarweb helps answer:

• Where competitors get traffic
• Paid vs. organic mix
• Top landing pages
• Display campaigns
• Referral sources
• Audience demographics

Great for strategic planning rather than keyword mining alone.

4. iSpionage (Best landing page tracking)

If you care about conversion funnels, iSpionage stands out.

It lets you inspect:

• Ads
• Associated landing pages
• PPC campaign organization
• Calls to action
• Funnel changes over time

Useful for reverse-engineering competitors' messaging and offer structure.

5. Adbeat (Display advertising)

This is a different category.

Instead of Google Search Ads, Adbeat focuses on:

• Banner ads
• Native ads
• Display networks
• Publishers
• Creative variations
• Estimated media spend

Choose this if competitors rely heavily on display advertising.

Best combinations

If your budget allows multiple tools:

• Semrush + Similarweb: Best all-around competitive intelligence.
• SpyFu + Ahrefs: Excellent for SEO + PPC at a lower cost.
• Semrush + Adbeat: Strong coverage of both search and display advertising.
• Semrush + iSpionage: Great for understanding keywords alongside landing page strategy.

What no tool can tell you

No legitimate competitor analysis tool can reveal:

• Exact Google Ads Quality Scores
• Actual bids or CPCs
• Conversion rates
• ROAS
• Revenue
• Internal campaign settings

These platforms provide estimates based on observed search results, clickstream data, and historical monitoring.

Recommendation by budget

• Under $100/month: SpyFu
• $100–300/month: Semrush
• Enterprise ($500+/month): Semrush + Similarweb
• Landing page optimization: Add iSpionage
• Display ad research: Add Adbeat

For most marketers focused on "spying" on competitors' paid keywords and landing pages, Semrush is the strongest all-around platform, while SpyFu offers the best value if your primary interest is Google Ads keyword intelligence and ad history.

If your goal is to uncover competitors' paid search keywords, ad copy, landing pages, and spend trends, no single platform is best at everything. Here's how the leading tools compare:

Best overall: Semrush

Choose this if you want the most complete PPC research.

It lets you:

• See every keyword competitors bid on
• View historical Google Ads
• Discover winning ad copy
• Find associated landing pages
• Track new campaigns over time
• Compare multiple competitors

It's especially strong if you're also doing SEO, since keyword and backlink data live in the same platform.

Best value: SpyFu

SpyFu is often the favorite for agencies focused on Google Ads.

It excels at:

• Long-term keyword history (years of data)
• Competitor PPC budgets (estimates)
• Highest-performing ad variations
• Keyword overlap
• Downloadable keyword lists

Many PPC specialists prefer SpyFu because its interface is centered on competitive advertising rather than broader marketing.

Best for landing page intelligence: Similarweb

If you're trying to answer:

• Where do competitors send paid traffic?
• Which pages convert?
• Which channels drive visitors?

Similarweb provides broader digital intelligence than traditional SEO tools.

Best for agencies

A common stack is:

• Semrush for keyword discovery and ad research
• Similarweb for traffic sources and landing-page insights
• Meta Ad Library (free) for Facebook and Instagram creative
• Google Ads Transparency Center (free) for Google advertiser creatives

This combination covers most paid search and paid social intelligence.

If you're specifically "spying" on Google Ads

The tools rank roughly like this:

1. Semrush
2. SpyFu
3. Similarweb
4. iSpionage
5. Ahrefs

If budget matters

• Under $50/month: SpyFu
• $100–200/month: Semrush
• Enterprise: Similarweb

One important limitation: no tool can reveal a competitor's actual Google Ads account data, exact bids, Quality Scores, or conversion rates. These platforms infer keywords, ad activity, landing pages, and spending from large datasets and traffic models, so treat spend and performance numbers as estimates rather than precise figures.

If you're planning to reverse-engineer competitors for Google Search, Meta, TikTok, LinkedIn, or all channels, I can recommend the best tool stack for that specific use case.