PostHog
Open-source product analytics with session replay, feature flags, and A/B testing
Overview
Open-source product analytics platform combining event tracking, session replay, feature flags, A/B testing, and surveys in a single product. Self-hostable with a generous free cloud tier and full data ownership.
Ehsan's Growth Verdict
The all-in-one analytics stack that makes the Amplitude + Hotjar + LaunchDarkly bundle look absurd
Best for: Startups and mid-stage companies that want analytics, session replay, and feature flags without buying three separate tools
Key Features
- ✓Event-based product analytics
- ✓Session replay
- ✓Feature flags and experiments
- ✓Surveys and feedback
- ✓Data warehouse sync
Pros
- + All-in-one replaces 4-5 separate tools
- + Self-hosting means complete data control
- + Free tier is genuinely generous for startups
Cons
- − UI is functional but less polished than Amplitude
- − Self-hosted instances require real DevOps effort
- − Individual modules are not best-in-class compared to specialists
Pricing
| Plan | Details |
|---|---|
| Free | 1M events/mo + 5K sessions |
| Feature Flags | $0.0001/request |
| Session Replay | $0.005/recording |
| Product Analytics | $0.00031/event after free tier |
Best Use Cases
Ehsan's Growth Take
PostHog's pricing math is devastating for competitors: $0 for your first million events vs. Amplitude's $61K/yr Growth plan. 85% of Series A startups don't need more than PostHog offers. The remaining 15% — enterprise teams needing deep behavioral cohorts — should look at Amplitude. Everyone else is overpaying.
Ehsan Jahandarpour
AI Growth Strategist & Fractional CMO
Forbes Top 20 Growth Hacker · TEDx Speaker · 716 Academic Citations · Ex-Microsoft · CMO at FirstWave (ASX:FCT) · Forbes Communications Council