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 PostHog ifDevelopers and product teams who want analytics, replay, experimentation, and feature delivery in a single toolchain
Important considerations: Each cloud product is metered separately. The free MIT self-hosted deployment is officially unsupported, with no customer support or guarantees. Only free-plan features are available there; paid-plan features are Cloud-only.
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| Attribute | Offen Fair Web Analytics | PostHog |
|---|---|---|
| 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 product and web analytics platform for developers that combines usage analytics, session replay, feature flags, experiments, surveys, and data tooling in one stack, with both cloud and self-hosted deployment options. |
| Pricing | Free Apache-2.0-licensed software; hosting and operational work are separate costs. | Cloud product analytics includes 1M events/month free, then starts at $0.00005 per event; other products have separate usage-based free tiers |
| Deployment | Self-hosted | Self-hosted and hosted options |
| Best for | Teams that value visitor access to their own analytics data and accept measuring only people who opt in. | Developers and product teams who want analytics, replay, experimentation, and feature delivery in a single toolchain |
| Operator | Offen project Independent project | PostHog Inc. Independent private company |
| Company base | Berlin, Germany · European Union | Distributed organization |
| Organization scale | No comparable official organization-size figure was publicly disclosed. | 215 team members · operator, as of 13 Aug 2026 |
| 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. |
| Key features |
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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. | Each cloud product is metered separately. The free MIT self-hosted deployment is officially unsupported, with no customer support or guarantees. Only free-plan features are available there; paid-plan features are Cloud-only. |
| Integrations | JavaScript, Docker | Slack, Zapier, Segment |
| Fact check | We checked this information against official vendor sources on 2026-09-30. | We checked this information against official vendor sources on 2026-09-30. |
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 | PostHog |
|---|---|---|
| A/B testing | Not listed | Listed |
| AI insights | Not listed | Listed |
| App analytics | Not listed | Listed |
| Audience insights | Not listed | Listed |
| Behavior analytics | Not listed | Listed |
| Cohort analysis | Not listed | Listed |
| Custom reports | Not listed | Listed |
| Data export | Not listed | Listed |
| Data ownership | Listed | Listed |
| E-commerce tracking | Not listed | Listed |
| Enterprise | Not listed | Listed |
| Error tracking | Not listed | Listed |
| Event tracking | Not listed | Listed |
| Free plan | Listed | Listed |
| Funnels | Not listed | Listed |
| GDPR compliant | Not listed | Listed |
| Goals | Not listed | Listed |
| Heatmaps | Not listed | Listed |
| Integrations | Not listed | Listed |
| Open source | Listed | Listed |
| Privacy-first | Listed | Not listed |
| Real-time data | Not listed | Listed |
| Retention analytics | Not listed | Listed |
| Revenue tracking | Not listed | Listed |
| Self-hosted | Listed | Listed |
| Session recordings | Not listed | Listed |
| Surveys | Not listed | Listed |
| User segments | Not listed | Listed |
| Web analytics | Listed | Not listed |