Answers that name Semrush

Yes. If you mean competitor intelligence specifically for Google Search Ads—who is bidding, which keywords they target, what ad copy they run, landing pages, historical changes, etc.—there are several tools built around exactly that.

The main options

• spyfu.com — probably the most directly focused on this use case. You can enter a competitor domain and see paid keywords, estimated clicks/spend, ad variations, historical ad tests, and competitors. SpyFu specifically describes its database as covering competitors' Google Ads keyword and ad history. SpyFu SpyFu
• semrush.com — its Advertising Research product shows competitors' paid keywords, ad copy, estimated spend, and historical position changes. It also has paid Keyword Gap analysis. Semrush
• serpstat.com — has particularly useful newer PPC reports: you can identify domains bidding against a keyword and inspect actual ads plus the keywords triggering those ads. Serpstat Knowledge Base Serpstat Knowledge Base
• Google Ads Transparency Center — free and useful for seeing a specific advertiser's actual Google ads. The important limitation is that it doesn't give you competitor keywords, bids, or performance data. Semrush
• Google Ads Auction Insights — also free if you're running Google Ads. This tells you who is actually appearing in the same auctions as you and provides metrics such as overlap rate and impression share. But it only covers auctions associated with your own campaigns, rather than giving you a complete view of a competitor's account. Semrush

If you're looking for ad intelligence, rather than just keyword research

I'd separate the problem into four layers:

The interesting thing is that SpyFu is unusually close to a dedicated "Google Search Ads competitor intelligence" product, whereas Semrush is more of a broader SEO/PPC suite. SpyFu explicitly offers historical Google Ads campaign/ad-test data and monitoring of competitor changes. SpyFu SpyFu

If you're asking because you're thinking about building a product in this space, that's a somewhat different question—and there are some interesting gaps in what these tools provide. I can map out what data is actually available from Google, what SpyFu/Semrush can and can't see, and where there might still be an opportunity for a better competitor-ad-intelligence product.

Yes. If you mean competitor intelligence specifically for Google Search Ads—keywords, ad copy, historical ads, competitors, estimated spend, and changes over time—there are several tools built around this.

The main options

• spyfu.com — Probably the most directly focused on Google Ads competitor research. It lets you research competitors' paid keywords, ad history, ad tests, estimated clicks/spend, and track competitors over time. SpyFu SpyFu
• semrush.com — More comprehensive marketing suite, but its Advertising Research product is strong for competitor paid keywords, ad copy, landing pages, positions, and competitive overlap. Semrush
• adstransparency.google.com — Free and directly from Google. You can search an advertiser/domain and see ads Google has published, including Search ads. However, it doesn't give you competitor keywords, bids, spend, or performance metrics. Google Ad Transparency Semrush
• Ahrefs — Has paid-search competitor research, although its core product is broader SEO rather than being specifically a Google Ads intelligence platform.
• AdEye — A newer tool specifically positioning itself around live Google Ads competitor intelligence, pulling Search, Shopping, Display, and YouTube ads from Google's transparency data. AdEye

If you're building a competitor-intelligence workflow

The distinction I'd make is:

One important caveat: no third-party tool can see inside a competitor's Google Ads account. Keyword, CPC, spend, and performance figures outside your own account are generally modeled/inferred. Google's Auction Insights is different because it reports competition from the actual auctions your account participated in. Semrush AdEye

If what you're really looking for is "I want a tool that continuously watches 20 competitors and tells me whenever they launch/change a Google Search ad, what keyword triggered it, their landing page, offer, headline changes, etc.", that's a more specific category—and there are some interesting options beyond the usual SpyFu/Semrush answer.

If you mean paid-search/PPC, I’d recommend optmyzr.com.

• Keyword expansion: Its Keyword Lasso automatically finds high-performing search queries that aren’t already keywords and can add them as keywords. Optmyzr Help Center
• Campaign/ad-group organization: You can move suggested keywords into existing or new ad groups, or automatically create SKAG-style structures. Optmyzr Help Center Optmyzr Help Center
• Automation: Its Rule Engine can automate search-term analysis, keyword additions, negative keywords, and campaign-management workflows. Optmyzr Google Ads Optimization
• Google Ads + Microsoft Ads: Keyword Lasso supports both. Optmyzr Help Center

One caveat: if by “groups” you mean semantic clustering of a huge keyword list before building campaigns, rather than expanding keywords from actual search-term data, Semrush may fit better. Its PPC Keyword Tool organizes keywords into ad groups, while Keyword Magic Tool provides automated topical grouping. Semrush Semrush

So, in shorthand: Optmyzr for ongoing automated PPC expansion + campaign management; Semrush for research-heavy keyword discovery and clustering.

If your main goal is competitive intelligence on rivals’ Google Search Ads, I’d narrow it to three tools:

My practical recommendation

1. Start with SpyFu if Google Ads intelligence is the primary job.
It is specifically built around competitor PPC research and provides historical paid-keyword and ad data. www.admapix.com

2. Choose Semrush instead if you also want SEO, keyword-gap analysis, traffic research, and broader marketing intelligence in the same platform. Its Advertising Research product includes competitor paid keywords, ad copy and position-change information. www.semrush.com

3. Use Google's Ads Transparency Center alongside either one.
This is important because third-party tools generally estimate competitor keywords, spend and bidding behavior, whereas Google's own transparency system lets you inspect the actual ads Google has associated with an advertiser. It doesn't reveal competitors' keywords or budgets, though. www.semrush.comrivalads.co

The stack I'd actually use

Lean setup:
SpyFu + Google Ads Transparency Center

Agency / serious CI setup:
Semrush + Google Ads Transparency Center + your own Google Ads Auction Insights

That combination lets you answer three different questions:

• What are they probably bidding on? → SpyFu/Semrush
• What are they actually saying in their ads? → Google Transparency Center
• Which competitors are actually appearing against your searches? → Auction Insights

One important caveat: don't treat estimated competitor spend, CPC, or keyword volumes from SpyFu/Semrush as ground truth. They're modeled estimates rather than the competitor's actual account data. rivalads.co

If you tell me your industry + roughly how many competitors you want to monitor + monthly budget, I can narrow this down to the most appropriate setup and explain exactly what I'd monitor each week.

If your main goal is competitive intelligence around Google Search Ads, I’d shortlist these:

• spyfu.com — probably the most directly focused on your use case. It provides competitors’ paid keywords, ad history/ad copy, estimated clicks and spend, and lets you track changes over time. SpyFu says it has 18+ years of historical data. SpyFu Help Center SpyFu
• semrush.com — better if you want broader competitive intelligence, combining paid search with SEO, traffic sources, audience data, market analysis, and monitoring. Its PPC research includes competitors’ paid keywords and ad strategies. Semrush Semrush
• ahrefs.com — particularly strong if your CI program also involves SEO, backlinks, content, and organic competitors. Its paid-search reports show competitor keywords, ad copy, landing pages, and changes in ad strategy. Ahrefs Ahrefs Help Center
• Google Ads Transparency Center — worth using alongside any paid tool. It's Google's own searchable database for ads served by verified advertisers, including Search ads, although it's not a substitute for the historical/keyword intelligence offered by the commercial platforms. Ad Transparency Google

My practical setup

If you're primarily trying to reverse-engineer rivals' Google Ads, I'd start with SpyFu + Google's Ads Transparency Center.

If you're building a serious competitive-intelligence function, I'd lean toward Semrush, because you can connect PPC intelligence with SEO, traffic, audience, market, and broader competitor monitoring.

One important caveat: these tools don't give you a rival's actual Google Ads account data. Things such as exact bids, conversion rates, targeting settings, and true spend are generally estimates/inferences, so I'd treat the numbers as directional rather than ground truth. SpyFu, for example, explicitly describes clicks and ad-budget figures as estimates. SpyFu Help Center

If you tell me your industry, number of competitors, and approximate monthly CI/marketing-tool budget, I can compare SpyFu vs Semrush vs Ahrefs specifically for your use case, including what each can actually reveal about a competitor's Google Ads.

Semrush + AdClarity is probably the closest fit. Semrush covers Google Search ads, ad copy, history, and landing pages; AdClarity adds Display creatives, publishers, spend, and campaign monitoring. Semrush Adbeat

• Search: semrush.com — keywords, creatives, ad history, landing pages. Semrush
• Display: AdClarity — display creatives, publishers, spend/impressions, and alerts. Semrush
• Alternative: similarweb.com — combines search, display, creatives, landing pages, and spend trends. Similarweb
• Display-focused: adbeat.com — particularly strong for display creatives, landing pages, publishers, and alerts. Adbeat

If you need one platform specifically for both Google Search + Google Display, I’d shortlist Similarweb and Semrush/AdClarity.

If you specifically want competitor Google Search + Google Display ad creatives + the landing pages they point to, I’d look at these:

• similarweb.com — probably the closest all-in-one fit. It covers search and display, competitor creatives, landing pages, keywords, estimated spend, and monitoring/alerts. Its Display Creatives data includes screenshots, landing-page URLs, first/last-seen dates, and active days. Similarweb Similarweb Knowledge Center
• semrush.com + AdClarity — particularly strong for Google Search: competitor keywords, ad copy, ad history, and the landing pages receiving paid traffic. Semrush also points to AdClarity for competitive Display advertising. Semrush Semrush Semrush
• spyfu.com — excellent if your main concern is Google Search/PPC history. It provides historical competitor ads, keywords, and associated landing pages, but it's less comprehensive for Display creative monitoring. SpyFu
• adstransparency.google.com — Google's own free source for looking up ads by advertiser/website. Useful for verifying what Google ads an advertiser has run, but it's not really a full competitor-monitoring/analytics platform. Ad Transparency

If your requirement is specifically:

“Give me a dashboard where I can enter 20 competitors and continuously see their Google Search ads, Display creatives, landing pages, and when things change.”

I'd shortlist Similarweb and Semrush + AdClarity first. Similarweb is particularly aligned with the creative + landing-page + monitoring combination. Similarweb Similarweb

One caveat: competitor-ad databases are generally observational/modelled intelligence, not a perfect feed of every ad served. For example, Google's own Transparency Center is useful for verification, while third-party platforms use their own crawling/indexing and data models. Similarweb Knowledge Center blog.google

If you tell me your budget (e.g. <$100/mo, $500/mo, enterprise) and whether you need actual screenshots + landing-page snapshots + change alerts, I can narrow this to 2–3 tools and compare them feature-by-feature.

If you mean competitive intelligence + ad spy for Google Search and Google Display campaigns, the main solutions fall into a few categories depending on whether you need PPC keywords, creative intelligence, display placements, or full market monitoring. Daily Intel Service Adbeat

Typical choices by use case

• You want to know which Google Search keywords competitors buy:

→ SpyFu, Semrush, iSpionage Daily Intel Service Web Tonic

• You want to see competitor Display banners, placements, and creatives:

→ Adbeat, AdSpyder Adbeat AdSpyder

• You run an agency and need client-facing competitive reports:

→ Semrush, Similarweb, Adbeat Web Tonic Adbeat

• You want a lower-cost way to inspect Google Ads creatives:

→ Google’s own Ads Transparency Center is a free starting point; third-party tools add history, filtering, and analysis. AdEye Adyntel

A common stack for paid media teams is:

1. Semrush or SpyFu for Search/PPC keyword intelligence
2. Adbeat for Display/programmatic intelligence
3. Google Ads Transparency Center for validating current Google creatives Adbeat AdEye

If you tell me your goal (e.g., agency prospecting, e-commerce competitor research, SaaS PPC analysis, or media buying) and approximate budget, I can narrow this to the best-fit options.

If you mean one platform that combines competitive intelligence + “ad spy” for both Google Search and Display, the main options are:

The closest match to your requirement

Semrush is probably the closest single platform if you specifically need Google Search + Display competitive intelligence. Its Advertising Toolkit covers paid-search competitors, keywords, ad copy and budgets, while its AdClarity product covers display, video and social advertising. Semrush Semrush Semrush

Adbeat is much more specialized toward Display. It can show competitors' display ads, publishers/placements, landing pages, ad networks, creative history, estimated spend, and alerts. Adbeat Adbeat

SpyFu is particularly strong if your priority is Google Search/PPC: competitor keywords, ads they've tested, PPC history and bidding information. SpyFu

If I were building the competitive-intelligence stack

• Search-heavy: SpyFu + Semrush
• Display-heavy: Adbeat + Semrush
• Both Search + Display in one ecosystem: Semrush
• Deepest Display ad-spy functionality: Adbeat

One important distinction: “competitive intelligence” and “ad spy” aren't quite the same thing. Search tools tend to give you keywords, rankings, estimated spend and ad history, while display-focused tools are better at showing the actual creatives, publishers, placements and landing-page patterns.

If you tell me whether you're looking for SaaS, ecommerce, lead gen, or agency use, I can narrow this down to the 2–3 platforms that fit and compare pricing, data freshness, Google Search/Display coverage, and whether they show actual creatives.