Sentry excels at error tracking. Happenstance combines errors + analytics—see the full picture of what caused the issue.
| Feature | Happenstance | Sentry |
|---|---|---|
| Error Tracking | Best-in-class | |
| Product Analytics | Built-in | |
| See User Journey Before Error | Via integrations | |
| Funnel Impact Analysis | ||
| AI Root Cause Analysis | Basic suggestions | |
| Stack Traces | Advanced | |
| Session Replay | Roadmap | |
| Performance Monitoring | Basic | Advanced |
| GitHub Integration | Native (PR) | Via integration |
| Setup Time | < 60 seconds | ~30 minutes |
| Pricing Model | Per repository | Per error event |
When an error happens, you need two things:
With Sentry alone: "Error on checkout page, stack trace shows payment.js:42"
With Happenstance: "Error on checkout page, happens 80% for users who applied promo codes, causing $10K/day revenue loss"
Same error. But Happenstance tells you the business impact and user context—not just the stack trace.
✓ You want errors + analytics in one tool (not two subscriptions)
✓ You need to see business impact—revenue loss, funnel dropoff, affected users
✓ You want to understand the user journey before the error
✓ You're building a product (not low-level infrastructure)
✓ You want AI root cause analysis, not just stack traces
✓ You want €29/mo flat vs per-event pricing that scales with errors
✓ You want GitHub-native setup in 60 seconds
✓ You need best-in-class error tracking only
✓ You want detailed performance monitoring
✓ You need session replay
✓ You have complex source map requirements
✓ You already have a separate analytics tool
✓ You need advanced alerting/routing
✓ You want self-hosted option
Errors + Analytics together
Error tracking only
See the full picture. Errors + user behavior + business impact.
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