Open-source product analytics, session replay and feature flags.
Payments, auth & analyticsopen-source
PostHog vs Clerk
Verdict: in our “Best payments & analytics for indie apps” ranking, PostHog ranks #3 and Clerk ranks #5. The table compares their verified basics; how we rank.
| Feature | PostHog | Clerk |
|---|---|---|
| What it is | Open-source product analytics, session replay and feature flags. | Drop-in authentication and user management. |
| Category | Payments, auth & analytics | Payments, auth & analytics |
| Pricing model | open-source | freemium |
| Integrations | API, MCP | API |
| Self-hostable | Yes | No / not listed |
| Open-source repo | PostHog/posthog | — |
| Rank in “Best payments & analytics for indie apps” | #3 | #5 |
| StackRank score | Not yet benchmarked | Not yet benchmarked |
| Last verified | Oct 14, 2026 | Oct 14, 2026 |
Try them
Drop-in authentication and user management.
Payments, auth & analyticsfreemium