Free
PostHog
Open-source product analytics with session replay feature flags and A/B testing.
4.64.6 out of 5 stars5,200 reviews
PostHog is an open-source all-in-one product analytics platform that can be self-hosted. It combines event analytics session replay feature flags A/B testing and a customer data platform in a single product.
Event AnalyticsSession ReplayFeature FlagsA/B TestingSurveysCustomer Data Platform
Starting price
Free
Free plan available
Overall4.6
Ease of Use4.1
Value for Money4.7
Features4.9
Support4.3
Pros & Cons
✓Pros
- ✓Open-source and self-hostable
- ✓Generous free cloud plan
- ✓All-in-one (analytics + session replay + flags + A/B)
- ✓Very active development team
✕Cons
- ✕Self-hosting requires infrastructure management
- ✕UI less polished than Amplitude
- ✕New features can be rough on release
Best For
- ◆Engineering-led product teams
- ◆Startups wanting one tool for product data
- ◆Privacy-conscious companies self-hosting