Plausible vs Similarweb
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Plausible is the stronger AI pick in Web Analytics: it has a visibility score of 31.7 versus 7.2 for Similarweb, and ranks ahead in 100% of the answers that name both.
Choose Plausible if…
- You want the brand AI engines rank higher (31.7 vs 7.2)
- AI answers describe it more positively (54% vs 0% positive)
- You need a self-hosted or on-premises option
- Lightweight, privacy-friendly analytics
Choose Similarweb if…
- 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
- cross-domain traffic sourcing and market share benchmarking
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Plausible | Similarweb |
|---|---|---|
| Visibility score | 31.7% | 7.2% |
| Change vs last week | New | New |
| Rank in Web Analytics | #3 | #12 |
| Share of voice | 8% | 2.5% |
| Mentions this run | 40 | 13 |
| Positive in AI answers | 54% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Plausible 0pp · Similarweb 0pp over 0 weekly runs.
Engine by engine
Plausible leads on 3 of 3 engines
Head to head in AI answers
7 engine answers name both brands
| Prompt | Engine | Plausible | Similarweb |
|---|---|---|---|
| What are the best Web Analytics tools in 2026? | Perplexity | #2 | #11 |
| Compare the leading Web Analytics platforms | Perplexity | #9 | #12 |
| Which web analytics tool has the best reviews? | Perplexity | #5 | #6 |
| Which web analytics tool offers a free trial? | AI Mode | #2 | #4 |
| Which web analytics tool offers a free trial? | Perplexity | #2 | #4 |
| Which Web Analytics tools offer annual discounts? | Perplexity | #1 | #11 |
| Official website of the top web analytics tool vendors | Perplexity | #12 | #14 |
Features, pricing & fit
| Dimension | Plausible | Similarweb |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | Contact sales |
| Free plan | — | No |
| Deployment | Managed cloud (EU-hosted) or self-hosted community edition | — |
| Compliance | — | ISO/IEC 27001:2022, SOC 2 Type 2, SOC 3 |
| Support | Priority support (Enterprise plan), Documentation, Contact form | Email support (support@similarweb.com), Dedicated enterprise support, Sales chat |
| Founded | 2018 | 2009 |
| Headquarters | Tartu, Estonia | New York, NY, United States |
| Employees | 1–10 | 1,001–5,000 |
| Funding | Bootstrapped | IPO (NYSE) · $240M raised |
| Best for | Website owners and teams who find Google Analytics more complex than they need | Marketers, researchers, and SEO and PPC teams |
Plans side by side
Plausible
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Plausible
- Lightweight, privacy-friendly analytics
- Transparent, publicly listed pricing
- Simple dashboard and reporting
- Affordable starting price
- Free trial without a credit card
- Less review data available
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
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Plausible vs Similarweb”, https://slateindex.ai/compare/plausible-vs-similarweb, data of Nov 2, 2026. Licence: CC BY 4.0.