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 Ackee ifDevelopers and website owners who need simple traffic and event reporting on infrastructure they control.
Important considerations: Current releases require Node.js 24 or newer and MongoDB. Your team owns upgrades, availability and security; evaluate its aggregate reports against your funnel and replay requirements.
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 | Ackee | PostHog |
|---|---|---|
| Overview | A small, self-hosted web analytics tool with cookieless traffic statistics, custom actions and a GraphQL API. You run the Node.js application and MongoDB database. | 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 MIT-licensed software; budget separately for hosting, backups and maintenance. No vendor-hosted subscription is listed. | 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 | Developers and website owners who need simple traffic and event reporting on infrastructure they control. | Developers and product teams who want analytics, replay, experimentation, and feature delivery in a single toolchain |
| Operator | Tobias Reich Independent project | PostHog Inc. Independent private company |
| Company base | Usingen, 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 | Current releases require Node.js 24 or newer and MongoDB. Your team owns upgrades, availability and security; evaluate its aggregate reports against your funnel and replay requirements. | 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, GraphQL, 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 | Ackee | 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 |
| Cookieless | Listed | Not 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 | 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 |