About Sentry
Sentry answers the on-call question instantly: what broke, where, and for whom. Stack traces arrive grouped with commits, releases, and affected-user counts; session replay shows the click that triggered it; performance tracing finds the slow query behind it. The open-core model earns developer trust. Quota-based billing needs sensible sampling on high-traffic apps.
Key Features
- Error tracking across platforms
- Performance tracing
- Session replay
- Release health
- Cron and uptime monitoring
Pros & Cons
Pros
- Actionable grouped stack traces
- Links errors to releases and commits
- Session replay for context
- Broad language SDK coverage
Cons
- Event quotas need tuning
- Costs rise with traffic spikes
- Self-hosting takes effort
Frequently Asked Questions
Is Sentry free?
A developer tier is free forever; team plans start around $26 monthly.
Does Sentry slow apps down?
SDK overhead is negligible with sampling configured properly.
Reviews
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Best For
Engineering teams that fix production issues before support hears about them.
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