Compare pricing, deployment, product fit, integrations, and capabilities side by side.
Catalog capabilities may require a paid plan, add-on or hosted edition. “Not listed” means unverified here, not unavailable. Confirm the exact edition, usage limits and privacy settings.
Starting prices use different billing periods and usage units. Compare the same traffic, events, retention and seats.
Choose Offen Fair Web Analytics ifTeams that value visitor access to their own analytics data and accept measuring only people who opt in.
Important considerations: Uses first-party cookies after opt-in; it is not cookieless. Data expires after six months. Public releases last recorded here are from May 2024; assess maintenance and security before adoption.
Choose SimilarWeb ifMarketers, businesses, and agencies needing competitive and market insights
Important considerations: Similarweb estimates external market and competitor traffic rather than replacing first-party site instrumentation; depth, countries, history, and APIs vary by package.
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| Attribute | Offen Fair Web Analytics | SimilarWeb |
|---|---|---|
| Overview | A self-hosted analytics project built around explicit visitor consent and end-to-end encrypted usage data. Visitors can inspect and delete their own data; operators get aggregate traffic reports. | A digital intelligence and competitive research platform that helps teams benchmark traffic, analyze channels, study search visibility, and monitor AI-driven discovery trends. |
| Pricing | Free Apache-2.0-licensed software; hosting and operational work are separate costs. | Free public data is limited; self-service packages are available for individuals and small teams, while premium Web Intelligence and business packages use custom pricing |
| Deployment | Self-hosted | Vendor-hosted cloud |
| Best for | Teams that value visitor access to their own analytics data and accept measuring only people who opt in. | Marketers, businesses, and agencies needing competitive and market insights |
| Operator | Offen project Independent project | Similarweb Ltd. Independent public company |
| Company base | Berlin, Germany · European Union | Givatayim, Israel · Other region |
| Organization scale | No comparable official organization-size figure was publicly disclosed. | 1,000 employees · operator, as of 31 Dec 2025 |
| Recent direction | operational reliability Recent official evidence shows a focus on operational reliability. | AI-assisted analysis Recent official evidence shows a focus on AI-assisted analysis. |
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| Important considerations | Uses first-party cookies after opt-in; it is not cookieless. Data expires after six months. Public releases last recorded here are from May 2024; assess maintenance and security before adoption. | Similarweb estimates external market and competitor traffic rather than replacing first-party site instrumentation; depth, countries, history, and APIs vary by package. |
| Integrations | JavaScript, Docker | API |
| Fact check | We checked this information against official vendor sources on 2026-09-30. | We checked this information against official vendor sources on 2026-08-08. |
This matrix shows capabilities recorded in our catalog. Not listed means we have not confirmed the capability here. Check the linked vendor sources for plan, deployment, and usage limits.
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| Attribute | Offen Fair Web Analytics | SimilarWeb |
|---|---|---|
| Competitive analysis | Not listed | Listed |
| Data ownership | Listed | Not listed |
| Free plan | Listed | Not listed |
| Market intelligence | Not listed | Listed |
| Open source | Listed | Not listed |
| Privacy-first | Listed | Not listed |
| Self-hosted | Listed | Not listed |
| SEO research | Not listed | Listed |
| Web analytics | Listed | Listed |