★★★★★Trustpilot · October 2026
Reviewer subscribed without a trial, found it did not fit and received a quick refund.
We tested SpyFu for 30 days against three websites we control, where we can see the real traffic and search data. We ran 60 checks comparing its traffic and keyword estimates with our own analytics. It scored 3 out of 5 overall and came third of the ten competitive intelligence tools we tested.
SpyFu got 43 of the 60 checks right, and its traffic estimates were off by 28.5% on average. We rated 7 of its 10 competitor insights as useful, and updates took 45 hours to show up. That's solid but clearly behind the leader in our test.
SpyFu suits SEO and Google Ads marketers who want to see competitors' keywords and ads at a low monthly price. If you need close traffic estimates, or data outside the US, a more accurate tool is worth the extra cost.
How we scored it
SpyFu scored 3 out of 5 overall. Ease of use, features and value for money were its best parts at 3.5, while coverage held it back at 2. Each was held back by something different, mostly the accuracy gap with the top tool.
Data accuracy3.0
Coverage2.0
Ease of use3.5
Features3.5
Value for money3.5
Overall score: 3 / 5, the average of the five parts, rounded to the nearest half point.
- Data accuracy (3/5): It matched our real data on 43 of 60 checks, with traffic estimates off by 28.5% on average.
- Coverage (2/5): It covers organic and paid keywords and ad history, but users report noticeably weaker data outside the US.
- Ease of use (3.5/5): Everything starts from a competitor's domain, and 7 of the 10 insights it surfaced were useful to us.
- Features (3.5/5): It packs in keyword gap tools, rank and ad tracking, a site audit and branded reports, but plan limits weren't clear.
- Value for money (3.5/5): It starts at $39 a month, which is cheap for this category, though the data is less accurate than the leader's.
Best of 2026
The best competitive intelligence tools
Before you pick SpyFu, see how all 10 tools ranked in the same test.
SpyFu in plain terms
SpyFu shows which keywords a competitor ranks for in Google search and which ones it pays for in Google Ads, with years of history behind them. You type in a competitor's website and see the searches that bring them traffic and the ads they've run.
On top of that, it adds rank tracking, a site audit, backlink research and branded reports you can send to clients. SpyFu started in 2005 as GoogSpy and is based in Scottsdale, Arizona.
It is a search-marketing tool, not a sales tool. It won't build battlecards or track competitor news the way some analytics tools for sales teams do. Its focus is the keywords and ads your competitors rely on.
What happens after you sign up
SpyFu starts with a competitor's domain and builds everything else from there.
1. Enter a domain. Type a competitor's domain to see the keywords it ranks for and the ones it bids on.
2. Compare competitors. Run keyword gap tools across several competitors to find terms they share and you're missing.
3. Track over time. Add keywords to the rank and ad trackers, which SpyFu says refresh daily.
4. Report. Export the data or send branded reports to clients.
What you get
SpyFu's features centre on Google keywords and ads. We couldn't confirm which features come with which plan, because its pricing page didn't load.
Competitor keyword research
See the organic and paid keywords for any domain, so you know where a rival's traffic comes from.
Keyword gap
Compare several competitors' keyword sets to spot searches they win and you don't.
Ad history
See a domain's past Google Ads copy and keywords, which helps you avoid paying to learn what didn't work for others.
Rank and ad tracking
Track your keyword positions and ad performance daily.
Site audit
Scans your site for more than 100 technical and on-page issues and suggests fixes with AI.
Backlinks and branded reports
Research backlinks and send client-ready reports that carry your agency's name.
Who gets the most out of SpyFu
SpyFu works best for people who buy Google Ads or do SEO and want to learn from competitors without paying for an enterprise tool. It's less suited to sales teams or anyone working mainly outside the US.
A good fit for
- Agencies that need branded client reports
- Advertisers studying competitors' Google Ads history
- Small teams that want flat monthly pricing
- Marketers looking for keyword gaps
Not a good fit for
- Sales teams that need battlecards
- Users who need search data outside the US
- Anyone who wants a free trial first
- Teams that need the closest traffic estimates
SpyFu vs Similarweb, Crayon and checking by hand
Similarweb came first in our test with 4 out of 5, matching our real data on more checks than SpyFu. It estimates traffic and channels across all sources, while SpyFu goes deeper on Google keywords and ads. Similarweb starts at $199 a month against SpyFu's $39.
Crayon and Klue are a different kind of tool: they track competitor messaging and feed sales battlecards, and both are sold by quote. Checking competitor ads in Google yourself is free, but it's slow and gives you no history. See our competitive intelligence list for all ten tools.
| Option | Price | How it compares |
|---|---|---|
| SpyFu | $39 a month | Shows competitors' Google keywords and ads, with history. |
| Similarweb | $199 a month | Estimates traffic, channels and audience across all sources. |
| Crayon | No public price | Tracks competitor messaging and builds sales battlecards. |
| Checking by hand | Free | You search Google and note competitors' ads yourself, with no history. |
Our 30-day SpyFu test
We tested SpyFu from September 30 to October 29, 2026, 30 days in all. We used three test websites that we control, where we have Google Search Console access, so we know the real numbers. The full set-up is in how we test.
On each site we ran 20 checks, 60 in total, comparing SpyFu's traffic and keyword estimates with our own data. SpyFu matched on 43 of them. Its traffic estimates were off by 28.5% on average. That's fine for spotting which competitors are bigger or growing, but don't treat its numbers as exact.
We then looked at the competitor insights it surfaced and rated 7 of 10 as useful. Those are things you could act on, such as a keyword a rival ranks for that you've ignored.
For freshness, updates took 45 hours to show up in SpyFu's data. That's a little under two days, slower than the leader in our test. Backlinks and technical crawling weren't part of this test.
One thing surprised us: sources disagree on how often SpyFu's data refreshes. Its home page talks about tracking updated every 15 minutes, while Wikipedia says the data refreshes monthly. Our 45-hour result sits between the two.
| What we measured | Result | What it means |
|---|---|---|
| Traffic and keyword estimates that matched our real data, out of 60 | Traffic/keyword checks 43/60 | About seven in ten estimates matched, so use its numbers for direction rather than exact figures. |
| Backlinks found versus links we know exist | N/A: backlink coverage outside this test | We didn't test SpyFu's backlink data, so we can't say how complete it is. |
| Planted technical issues found | N/A: no technical crawl in this brief | We didn't test the site audit, so judge it with your own site. |
| How fast updates appear in its data | 45 h to reflect updates | Changes took nearly two days to appear, which is fine for planning but not for daily reaction. |
SpyFu gave us a useful but rougher picture than the top tool. It matched our real data on 43 of 60 checks, its traffic error was 28.5% on average, 7 of 10 insights were useful and updates took 45 hours. For a tool that starts at $39 a month, that's a fair return, as long as you treat its numbers as estimates.
Tested September 30, 2026 to October 29, 2026.
The good and the bad from our test
Low starting price
SpyFu starts at $39 a month billed monthly, while the tool that beat it starts at $199. For small teams, that difference matters.
Useful competitor insights
We rated 7 of 10 competitor insights as useful. The keyword and ad history make it easy to learn from what rivals already tried.
Broad toolkit for the price
Rank tracking, ad tracking, a site audit, backlink research and branded reports all sit in one tool, which suits agencies.
Estimates were a long way off at times
It matched our data on 43 of 60 checks, and traffic estimates were off by 28.5% on average. Use it for direction, not for exact numbers.
Slower to update
Updates took 45 hours to appear in its data, so very recent changes by a competitor won't show straight away.
No free trial and unclear plan limits
We found no free trial, and its pricing page didn't load, so we couldn't confirm what each plan includes. You'll pay before you can see whether it suits you.
Pros
- Starts at $39 a month
- 7 of 10 competitor insights were useful
- Google Ads history for any domain
- Branded client reports and rank tracking
- 4.2 out of 5 on Trustpilot
Cons
- Matched our real data on only 43 of 60 checks
- Traffic estimates off by 28.5% on average
- Updates took 45 hours to appear
- No free trial
- Users report weaker data outside the US
How much SpyFu costs
SpyFu has three paid plans and no free plan, though it advertises a free ad rank tracker and limited free lookups. Basic costs $39 a month billed monthly, or $29 a month billed yearly. Pro + AI costs $119 a month billed monthly, or $89 a month billed yearly. Team / Agency costs $249 a month billed monthly, or $187 a month billed yearly.
Most small businesses will start on Basic, but we couldn't confirm the limits on each plan, so check them before choosing. Prices were checked on November 3, 2026.
Basic
$39
a month
- Entry plan
- Limits not confirmed
Pro + AI
$119
a month
- Mid-tier plan
- Limits not confirmed
Team / Agency
$249
a month
- Plan for teams and agencies
- Limits not confirmed
Some prices come from a dated third-party listing, because SpyFu's official pricing page couldn't be read.
There's no free trial. One user on Trustpilot said they wished there were one, and the home page doesn't mention any.
We found no official refund policy, but a recent user said they got a quick refund after finding the tool didn't fit, and SpyFu's replies describe refunds or voided charges on request. We couldn't confirm the cancellation steps, so check them before you subscribe.
Prices checked November 3, 2026. Prices can change, so check before you buy.
Is SpyFu safe to subscribe to?
We found no reported security incidents and no published certifications. SpyFu's estimates come from scraped data, and Wikipedia notes that accuracy depends on the size of the site, which fits the gap we saw in our test.
The main risk users report is billing. Trustpilot reviews from 2018 to 2024 mention billing disputes and unexpected charges. In one recent case, SpyFu said it voided a charge rather than refunding it, so the original charge may stay visible on your statement for a few days.
Read the cancellation steps before you subscribe, because there's no free trial to fall back on.
What SpyFu users say
Users are mostly positive. On Trustpilot, checked November 3, 2026, SpyFu has 4.2 out of 5 from 155 reviews, labelled Great. 55% give 5 stars and 11% give 1 star, though only 7 reviews came in the last 12 months.
Users praise its keyword and competitor ad research, quick and helpful support, flat pricing and reporting. The complaints are about billing disputes, keyword counts that don't match Google Ads, weak data outside the US and the lack of a free trial.
What users praise
- Keyword and competitor PPC research
- Fast, helpful support
- Flat pricing
- Reporting
What users complain about
- Billing disputes and unexpected charges
- Keyword counts that differ from Google Ads
- Weak data outside the US
- No free trial
Recent user reviews, in short
Summarised in our own words, not quoted. Reviewer names are left out.
★★★★★Trustpilot · October 2026
Five-year customer praises the feature set and support.
★★★★★Trustpilot · September 2026
Says keyword counts did not match their Google Ads account and a refund never arrived.
★★★★★Trustpilot · June 2026
Values competitor PPC research and reporting, wishes for a free trial.
What users say fits our test. The research and reporting are genuinely useful, but the complaints about numbers not matching Google line up with the 43 of 60 checks we saw match.
Ratings checked November 3, 2026.
SpyFu alternatives worth a look
One tool in our lineup scored higher than SpyFu, and three tied with it. Here's how they compared in the same test.
Similarweb
Similarweb came first with 4 out of 5 and beat SpyFu on every part. It suits marketing teams benchmarking competitors' traffic, from $199 a month.
PublicWWW
PublicWWW ranked second with 3 out of 5. It's best for finding every site that uses a given script, plugin or tracker, with a free plan and paid plans from $109 a month.
BuiltWith
BuiltWith scored 3 out of 5, with slightly weaker accuracy and value than SpyFu. It suits sales and agency teams who prospect by the technology a site runs, from $295 a month.
Klue
Klue scored 3 out of 5 but is built for B2B battlecards and win-loss research rather than keywords. It's sold by quote.
Crayon
Crayon scored 2.5 out of 5, with its lowest mark on coverage. It suits mid-market and enterprise B2B teams running a formal competitive programme, and it's sold by quote.
3/5
Should you use SpyFu?
SpyFu is a sensible choice for small teams doing SEO or Google Ads on a budget. It matched our real data on 43 of 60 checks, 7 of 10 insights were useful, and it starts at $39 a month. That's why it scored 3 out of 5 and ranked third of ten.
Its limits are accuracy and speed: traffic estimates were off by 28.5% on average and updates took 45 hours. If you need the closest numbers, Similarweb did better. If you want competitor keywords and ad history without a big bill, SpyFu is good value.
SpyFu suits budget-minded SEO and PPC marketers; anyone who needs precise traffic numbers should look at a more accurate tool.
Still deciding?
See how SpyFu compares
Every tool in our competitive intelligence tools test got the same jobs. Our ranking puts the results side by side.
Disagree with our review?
Make your case
If you use SpyFu, or work there, and think we got something wrong, email us. Tell us what you saw and attach screenshots if you have them. We'll take another look and update the review if it changes our findings.
review.now.team@gmail.com
or open your email app
Frequently asked questions
How much does SpyFu cost?
SpyFu's Basic plan costs $39 a month billed monthly, or $29 a month billed yearly. Pro + AI costs $119 a month, or $89 billed yearly, and Team / Agency $249 a month, or $187 billed yearly. These come from a third-party listing because SpyFu's pricing page didn't load. We checked on November 3, 2026.
How did you test SpyFu?
Over 30 days, we compared SpyFu's estimates with real data from three websites we control. We ran 20 checks per site, 60 in total, measured how far off its traffic estimates were, rated how useful its competitor insights were and timed how long updates took to appear.
Is SpyFu free?
No. We found no free plan, though SpyFu advertises a free ad rank tracker and some limited free lookups. To use its keyword research, tracking and reports properly, you need one of its three paid plans, which start at $39 a month billed monthly.
Does SpyFu offer a free trial?
We didn't find one. SpyFu's home page doesn't describe a trial, and a user on Trustpilot said they wished there were one. Some users report getting refunds when the tool didn't suit them, but there's no official policy we could confirm, so read the terms first.
What is SpyFu used for?
SpyFu is used to see which keywords competitors rank for in Google and which ones they bid on in Google Ads, along with their ad history. It also tracks your rankings and ads, audits your site and creates branded reports for clients.
Is SpyFu a competitive intelligence tool?
Yes, for search marketing. It shows competitors' keywords and ads, but it doesn't build sales battlecards or monitor company news the way Crayon or Klue do. In our test of ten competitive intelligence tools, it ranked third with 3 out of 5.
Written by
Daniel Brooks
I've learned not to trust software that promises to transform your workflow in five minutes. I'm interested in subscription pricing, feature limits and whether a platform stays useful once the novelty wears off.