Bugsnag vs Sentry
Bugsnag and Sentry are both error tracking software. Bugsnag is a commercial product from SmartBear Software. Sentry is a commercial product from Functional Software, Inc.
Which to pick
- Pick Bugsnag when
- Mobile app teams that care about crash-free session rates per release and want an established hosted tool.
- Pick Sentry when
- Almost any software team that ships code to users and wants to see errors as they happen, with SDKs for most languages.
Side by side
Reports errors and crashes from web and mobile apps, groups them, and tracks app stability scores per release.
Captures exceptions and crashes from web, mobile and backend apps with stack traces and context, and adds performance tracing and session replay.
Owned by SmartBear, so the roadmap follows a larger tools portfolio; pricing rises with event volume.
Event-based pricing can climb on busy apps, and self-hosting the open version is a heavy stack of services.
Production-ready (both)
Cloud service
Cloud service and self-hosted server
Not published
Python, Django, PostgreSQL, ClickHouse and Kafka
Closed source, sold by SmartBear Software
Closed source, sold by Functional Software, Inc.
Closed source: you use it under the maker's terms and cannot change or resell the code. (both)
No Wikipedia article of its own (both)
Other comparisons
More error tracking tools
Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.