Sentry
Error monitoring and tracing. See the stack trace, the browser and the release behind every crash your users hit.
Free tier
- Developer plan: free for one user
- Error monitoring and tracing, email alerts
Paid plans: Team: $26/month (billed annually)
Best for
Finding out about production errors before users email you.
Watch out: The free plan is single-user. Add a co-founder and you need Team.
Related fix guides
Sources
Checked on 2026-11-11. Vendors change pricing often, so confirm on the official page before you commit.