Glassbox vs Similarweb
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 Web Analytics: it has a visibility score of 7.2 versus 4.4 for Glassbox, and ranks ahead in 0% of the answers that name both.
Choose Glassbox if…
- AI answers describe it more positively (83% vs 0% positive)
- You need SOC 2 Type II or ISO 27001 or ISO 27017 or ISO 27701 or ISO 42001 or CSA STAR Level 1 coverage
- Strong enterprise performer blending quantitative analytics with qualitative context
- Analysts frequently recommend it for combining event data with session replays
Choose Similarweb if…
- You want the brand AI engines rank higher (7.2 vs 4.4)
- 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
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Glassbox | Similarweb |
|---|---|---|
| Visibility score | 4.4% | 7.2% |
| Change vs last week | New | New |
| Rank in Web Analytics | #17 | #12 |
| Share of voice | 1.2% | 2.5% |
| Mentions this run | 6 | 13 |
| Positive in AI answers | 83% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Glassbox 0pp · Similarweb 0pp over 0 weekly runs.
Engine by engine
Similarweb leads on 2 of 3 engines
Head to head in AI answers
1 engine answers name both brands
| Prompt | Engine | Glassbox | Similarweb |
|---|---|---|---|
| Which web analytics tool has the best reviews? | Perplexity | #1 | #6 |
Features, pricing & fit
| Dimension | Glassbox | Similarweb |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | Contact sales |
| Free plan | — | No |
| Deployment | Single-tenant cloud on AWS or Microsoft Azure, and multi-tenant cloud. | — |
| Compliance | SOC 2 Type II, ISO 27001, ISO 27017, ISO 27701, ISO 42001, CSA STAR Level 1 | ISO/IEC 27001:2022, SOC 2 Type 2, SOC 3 |
| Support | — | Email support (support@similarweb.com), Dedicated enterprise support, Sales chat |
| Founded | 2010 | 2009 |
| Headquarters | London, United Kingdom | New York, NY, United States |
| Employees | 201–500 | 1,001–5,000 |
| Funding | Minority investment from Poalim Equity · $70M raised | IPO (NYSE) · $240M raised |
| Best for | Highly regulated enterprises, such as financial services organisations, that need digital experience analytics with security and compliance. | Marketers, researchers, and SEO and PPC teams |
Plans side by side
Glassbox
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Glassbox
- Strong enterprise performer blending quantitative analytics with qualitative context
- Analysts frequently recommend it for combining event data with session replays
- Exceptionally high user ratings, around 4.8 to 4.9 out of 5 on G2
- Deep customer journey mapping and session playback
- Highest review rating among established web analytics tools
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, “Glassbox vs Similarweb”, https://slateindex.ai/compare/glassbox-vs-similarweb, data of Nov 2, 2026. Licence: CC BY 4.0.