PostHog is powerful but requires SDK integration. Happenstance tracks everything with one script tag—no code changes.
| Feature | Happenstance | PostHog |
|---|---|---|
| Setup Time | 60 seconds | ~30 min |
| Code Changes Required | None | SDK integration |
| Auto-Tracking | AI-powered | Manual setup |
| Event Pricing | Unlimited | $0.00031/event |
| Starting Price | €29/mo | Free tier, then usage-based |
| Session Replay | Coming soon | |
| Feature Flags | Roadmap | |
| Error Tracking | Built-in | Via integration |
| Funnel Analytics | ||
| Retention Cohorts | ||
| Self-Hosted Option | Enterprise | Open source |
Happenstance is built for teams who want analytics without the integration burden:
✓ You want to ship analytics today without touching your codebase
✓ You want tracking that survives UI refactors
✓ You want zero surprise bills—€29/mo, unlimited events
✓ You're tired of manually instrumenting every button click
✓ You want errors + analytics in one tool
✓ You're a startup moving fast—one script tag, done
✓ You don't want to modify your codebase for analytics
✓ You need session replay functionality
✓ You want feature flags and A/B testing built-in
✓ You prefer open-source solutions
✓ You want to self-host your analytics
✓ You have low event volume (free tier friendly)
✓ You need a mature platform with extensive docs
✓ You want full control over your infrastructure
Repository-based, unlimited events
Event-based pricing