Sentry and Bugsnag are often evaluated together by teams building out their reliability stack. Sentry (application error monitoring and performance management, founded 2012) is typically a fit for Developers, Frontend Teams, and Backend Engineers, while Bugsnag (error monitoring with stability scoring, built mainly around mobile and web apps, founded 2013) leans toward Mobile Engineers, Frontend Teams, and Release Managers. Both cover 9 of the same core capabilities, so the decision usually comes down to where they diverge.
Application error monitoring and performance management
Pricing: Developer (Free - 5k errors), Team from ~$26/mo, Business from ~$80/mo
Founded: 2012
Best for: Developers, Frontend Teams, Backend Engineers
Error monitoring with stability scoring, built mainly around mobile and web apps
Pricing: Free tier (7,500 events/mo), Team from ~$22/mo
Founded: 2013
Best for: Mobile Engineers, Frontend Teams, Release Managers
| Feature | Sentry | Bugsnag |
|---|---|---|
| Synthetic Monitoring | ||
| Real User Monitoring | ||
| API & Browser Testing | ||
| Self-Healing Tests | ||
| AI-Powered | ||
| Uptime Monitoring | ||
| Alerting | ||
| Slack Integration | ||
| CI/CD Integration | ||
| Multi-Location Checks | ||
| SSL Monitoring | ||
| Status Page | ||
| Open Source | ||
| On-Premise / Self-Host | ||
| Free Tier | ||
| API Access | ||
| Dashboards | ||
| Incident Management |
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On capability breadth, Sentry pulls ahead here: it uniquely offers Uptime Monitoring. Choose Sentry if those matter to your workflow; Bugsnag (Free tier (7,500 events/mo), Team from ~$22/mo) remains a solid option if you want a simpler, focused tool.
Sentry is application error monitoring and performance management, while Bugsnag is error monitoring with stability scoring, built mainly around mobile and web apps. Sentry adds Uptime Monitoring on top of the shared feature set.
Sentry pricing: Developer (Free - 5k errors), Team from ~$26/mo, Business from ~$80/mo. Bugsnag pricing: Free tier (7,500 events/mo), Team from ~$22/mo. Evaluate against your check volume and team size; entry pricing rarely reflects total cost at scale.
Sentry is designed with Developers, Frontend Teams, and Backend Engineers in mind, whereas Bugsnag targets Mobile Engineers, Frontend Teams, and Release Managers. If your team matches the former profile, Sentry is usually the closer fit.
No. It does a different job. Error trackers tell you an exception fired. They can't see the failures that never throw: a checkout that silently breaks, an expired SSL certificate, a page that returns 200 and renders blank. ObserveOne monitors those user-facing journeys in production; teams run it alongside an error tracker, not instead of one.
Error trackers tell you an exception fired. They can't see the failures that never throw: a checkout that silently breaks, an expired SSL certificate, a page that returns 200 and renders blank. ObserveOne monitors those user-facing journeys in production; teams run it alongside an error tracker, not instead of one. The free tier covers enough to try it on one critical journey.
Each tool has its own alternatives page too, not just this matchup.