Sentry is an excellent error-monitoring platform, but it isn’t the right fit for everyone. Its event-based billing can get expensive at scale, and some teams want broader observability or open-source control. If you’re shopping around, these seven Sentry alternatives cover every budget and use case in 2026.
Why Look for a Sentry Alternative?
- Event-based billing can spike unpredictably with high error volume
- You want full-stack observability, not just error tracking
- You prefer open-source or self-hosted control
- You need tighter pricing for a small team or side project
For context on what you’d be moving away from, read our Sentry review and Sentry pricing breakdown.
1. Datadog — Best for Full-Stack Observability
Datadog goes far beyond error tracking with infrastructure monitoring, APM, logs, and synthetics in one platform. It’s the natural choice if you want everything in one pane — though it’s pricier and more complex. See our Sentry vs Datadog comparison.
2. New Relic — Best All-in-One Free Tier
New Relic offers a generous free tier (100GB/month ingest) and a full observability suite. Its user-based pricing model is different from Sentry’s event model and can be cheaper for teams with predictable usage.
3. Grafana — Best Open-Source Stack
Grafana, paired with Loki and Tempo, gives you a powerful open-source observability stack you can self-host for free. Ideal for teams that want control and don’t mind operating the infrastructure themselves.
4. PostHog — Best for Product + Error Monitoring
PostHog combines product analytics, session replay, and error tracking. It’s a strong pick for product teams that want user behavior and error data together, with a usable free tier.
5. Rollbar — Best Lightweight Error Tracking
Rollbar is a focused, developer-friendly error-monitoring tool that competes directly with Sentry’s core use case. It’s simpler and often easier to reason about on price for pure error tracking.
6. Bugsnag — Best for Mobile Apps
Bugsnag specializes in application stability monitoring with strong mobile (iOS/Android) support and release health features. A good fit if mobile crash reporting is your priority.
7. GlitchTip — Best Open-Source Sentry Clone
GlitchTip is an open-source, Sentry-compatible error tracker you can self-host. If you like Sentry’s approach but want to avoid usage-based billing, it’s the closest drop-in replacement.
How to Choose
| If you want… | Choose |
|---|---|
| Full-stack observability | Datadog |
| Generous free tier | New Relic |
| Open-source control | Grafana or GlitchTip |
| Product + errors together | PostHog |
| Mobile crash reporting | Bugsnag |
| Simple error tracking | Rollbar |
Verdict
Sentry remains a great default, but the best alternative depends on your priorities. Pick Datadog or New Relic for breadth, Grafana or GlitchTip for open-source control, and Rollbar or Bugsnag for focused error tracking. Compare pricing carefully — see our Sentry pricing guide and Datadog pricing guide before deciding.
Frequently Asked Questions
What is the best free Sentry alternative?
New Relic offers the most generous free tier among hosted tools, while Grafana and GlitchTip are free and open-source if you self-host.
Is there an open-source alternative to Sentry?
Yes. GlitchTip is a Sentry-compatible open-source error tracker, and the Grafana stack (Loki/Tempo) provides open-source observability.
What’s a cheaper alternative to Sentry for error tracking?
Rollbar and GlitchTip are often cheaper for pure error tracking, especially at higher event volumes where Sentry’s usage billing adds up.