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SlateIndex
SimilarwebAI-powered digital data intelligence for market, competitive and consumer insights.
vs
SpyFuWin in AI & Google Search
Comparison · SEO Tools · weekly run Nov 2

Similarweb vs SpyFu

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Similarweb is the stronger AI pick in SEO Tools: it has a visibility score of 2.4 versus 2 for SpyFu, and ranks ahead in 100% of the answers that name both.

Choose Similarweb if…

  • You want the brand AI engines rank higher (2.4 vs 2)
  • You need ISO/IEC 27001:2022 or SOC 2 Type 2 or SOC 3 coverage
  • You prefer a larger, established vendor (1,001–5,000 employees)
  • competitive web traffic analysis and market intelligence

Choose SpyFu if…

  • AI answers describe it more positively (33% vs 0% positive)
  • competitor keyword intelligence
  • PPC intelligence

AI visibility side by side

Latest weekly run · Nov 2

Metric Similarweb SpyFu
Visibility score2.4%2%
Change vs last weekNewNew
Rank in SEO Tools#22#27
Share of voice0.9%1.1%
Mentions this run56
Positive in AI answers0%33%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 2Similarweb 2%

Similarweb 0pp · SpyFu 0pp over 0 weekly runs.

Engine by engine

Similarweb leads on 2 of 3 engines

ChatGPT
5.7%
3.1%
AI Mode
1.3%
1.1%
Perplexity
0%
1.9%
SimilarwebSpyFu

Head to head in AI answers

1 engine answers name both brands

1Similarweb ranked higher
0SpyFu ranked higher
PromptEngineSimilarwebSpyFu
Official website of the top SEO tool vendors ChatGPT#6#9

Features, pricing & fit

DimensionSimilarwebSpyFu
Pricing modelFlat tiersFlat tiers
Entry priceContact sales$39 / mo
Free planNoNo
Deployment—Runs on dedicated bare-metal servers from phoenixNAP
ComplianceISO/IEC 27001:2022, SOC 2 Type 2, SOC 3—
SupportEmail support (support@similarweb.com), Dedicated enterprise support, Sales chatEmail, Live chat, Phone
Founded20092005
HeadquartersNew York, NY, United StatesScottsdale, Arizona, United States
Employees1,001–5,00011–50
FundingIPO (NYSE) · $240M raisedOther Investors (latest listed round)
Best forMarketers, researchers, and SEO and PPC teamsMarketers and agencies doing competitor SEO and Google Ads research

Plans side by side

Similarweb

Businesses & EnterprisesCustomcustom package, contact sales
Similarweb pricing

SpyFu

Basic$39month
Pro + AI$119month ($59 first month)
Team / Agency$249month
SpyFu pricing

Pros and cons

Themes from the AI answers that mention each brand

Similarweb

  • competitive web traffic analysis and market intelligence
  • cross-domain traffic sourcing and market share benchmarking
  • competitor benchmarking and market research
  • free trial and limited free version
  • not suited to precise first-party conversion measurement
  • ranked behind Google Analytics and Amplitude in one comparison

SpyFu

  • competitor keyword intelligence
  • PPC intelligence

    Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run

    Cite as: SlateIndex, “Similarweb vs SpyFu”, https://slateindex.ai/compare/similarweb-vs-spyfu, data of Nov 2, 2026. Licence: CC BY 4.0.