Best Free Error Tracking & APM Tools 2026
Last Updated: 2026-05-21
| PROVIDER | FREE TIER | USAGE LIMIT | FEATURE SET | WORKSPACE LIMIT | KEY CONSTRAINTS | ACTION |
|---|---|---|---|---|---|---|
Firebase CrashlyticsREAL-TIME CRASH REPORTING | No cost to use | Realtime crash and ANR reporting for Apple, Android, Flutter, and Unity apps | Crash grouping, severity ranking, contextual logs, custom keys, alerts, and Google Analytics integration | Ideal for mobile and cross-platform teams already using Firebase | Great for crash triage, but it is focused on stability issues rather than full distributed tracing or log management | Go to Site ↗ |
SentryCROSS-STACK OBSERVABILITY | Developer plan available | Error monitoring, performance traces, and session replays for web and mobile apps | Exception grouping, release health, alerts, source maps, and broad framework coverage | Useful when a team wants one error platform across many app types and languages | The free tier is generous but advanced volume, retention, and team features are plan dependent | Go to Site ↗ |
GlitchTipOPEN SOURCE ERROR TRACKING | Self-hosted or hosted starter | Issue tracking and error monitoring compatible with Sentry-style SDKs | Simpler open source crash collection for teams that prefer a lightweight stack | Good fit for teams that want to own their observability infrastructure | Best treated as a self-hosted or lightweight option; hosted capacity depends on the plan you choose | Go to Site ↗ |
Error Tracking (Sentry) content outline
Selection Guidance
Planned content blocks for this category page:
01
Best picks for beginners
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Best picks for long-term side projects
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Best picks for China mainland users
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Lowest hidden cost risk
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When not to choose this category
FAQ
Q1
Which option is the best starting point?
Q2
Which free tier is least likely to exceed quota?
Q3
Which provider has the lowest hidden cost risk?
Q4
Which option works best in China mainland?
Q5
When should I upgrade or migrate away?