PostHog
Editor Verified FreemiumAll-in-one developer platform for product analytics, session replay, and feature flags.
Last Verified: February 2026 • Business & Marketing
Free Tier Boundaries & Verification
Verified Free Allowance:
1,000,000 product analytics events/month and 5,000 session recordings/month permanently free; no credit card required.
Commercial Entry Price: Pay-as-you-go above 1M events; $0.0001 per event with volume discounts.
Check Live Pricing Matrix Architecture & Purpose
PostHog is an open-source product analytics and developer platform combining event telemetry, session recordings, feature flags, A/B testing, and user surveys.
Target Audience & ICP:
Product engineers, growth teams, and SaaS founders analyzing user behavior and feature adoption.
Practical Use Cases
- Tracking product onboarding funnel drop-offs and retention cohorts.
- Watching high-fidelity session replays to diagnose user UI frustration and bugs.
- Gradually rolling out new frontend features using multivariate feature flags.
Key Capabilities & Features
- Auto-capture and custom event tracking across web, React, and mobile SDKs.
- Session recording player with DOM click maps and console error logs.
- Targeted feature flag evaluation with sub-10ms edge caching.
Known Limitations & Operational Tradeoffs
- • Session recordings can increase web worker memory usage on complex single-page apps.
Side-by-Side Alternatives Comparison
Direct Market Counterparts| Specification | PostHog
Active
| Mixpanel Alternative |
|---|---|---|
| Pricing Model | Freemium | Generous Free Tier |
| Free Tier Boundaries | 1,000,000 product analytics events/month and 5,000 session recordings/month permanently free; no credit card required. | 20M events/month with limited history |
| Commercial Pricing | Pay-as-you-go above 1M events; $0.0001 per event with volume discounts. | $20/month for Growth |
| Core Moat / Strength | Unsurpassed 1 million monthly free events allowance; far superior to Mixpanel or Amplitude. | Product analytics specialist competitor |
| Known Limitation | Session recordings can increase web worker memory usage on complex single-page apps. | Subject to provider rate limits. |
| Official Site | Visit PostHog | Visit Mixpanel |