P
PostHog
Open-source product analytics with session replay and error tracking.
PostHog is an all-in-one product analytics platform that helps developers debug and understand their applications through session recordings, feature flags, and error tracking. Unlike traditional analytics tools, PostHog is open-source and can be self-hosted, giving developers full control over their data while providing powerful debugging capabilities like session replay to diagnose issues in production.
Last updated: July 2026
Key Features
- Session replay to watch user interactions and debug issues
- Error tracking with stack traces and user context
- Feature flags for controlled rollouts and A/B testing
- Product analytics with funnels, trends, and user paths
- Heatmaps and clickmaps for UI/UX debugging
- Open-source and self-hostable for data privacy
Pros
- + Session replay makes debugging production issues dramatically easier
- + Open-source with self-hosting option for complete data control
- + Generous free tier with 1M events per month
- + All-in-one platform combining analytics, flags, and debugging tools
Cons
- − Can be overwhelming with the breadth of features for simple debugging needs
- − Self-hosted version requires infrastructure management
- − Session replay storage can get expensive at scale
User Reviews
★
★
★
★
★
3.8 from 2 reviews
MB
Matt B.
★
★
★
★
★
better than most options out there for perf optimization. noisy reports is my only real complaint
Dec 23, 2025
2 found this helpful
SB
Sarah Brown
★
★
★
★
★
better than most options out there for perf optimization. browser compat is my only real complaint
Mar 13, 2026
Compare PostHog
Looking for something different?
View PostHog Alternatives →
