Telemetry Tracker vs Warden
Is it time to switch? We break down the differences so you can stop bleeding money.
Choose Telemetry Tracker.
If you want to own your data, save money, and avoid vendor lock-in, Telemetry Tracker is more popular among developers.
What Actually Matters
No fluff — just the differences that affect your decision
Both open source, different licenses: Telemetry Tracker uses MIT, Warden uses AGPL-3.0. Check the fine print if you're building commercial.
Telemetry Tracker dominates with 33 GitHub stars vs 5. Bigger community = more plugins, more answers on Stack Overflow, faster bug fixes.
Telemetry Tracker is built in TypeScript, Warden in Go. Matters if you want to contribute, extend, or debug internals.
Try both — most offer free tiers. The right pick depends on your stack size, team, and tolerance for DevOps.
Telemetry Tracker
Open-source error tracker for side projects and small teams, with grouped errors, source maps, releases and alerts.
Why Choose Telemetry Tracker
- ✓Grouped errors with source map symbolication, releases and alerts
- ✓Also records events, sessions and Web Vitals
- ✓SDKs for Next.js, React, Vue, Nuxt, React Native, Node and NestJS
Drawbacks
- ×JavaScript/TypeScript SDKs only (no native iOS/Android, Flutter or non-JS SDKs)
- ×Young project with a much smaller community than Sentry or GlitchTip
Warden
Self-hosted uptime monitoring that learns normal latency, reduces alert noise, and exposes a role-scoped MCP server for AI-assisted operations.
Why Choose Warden
- ✓Adaptive latency baselines and built-in alert-noise controls
- ✓REST API and role-scoped MCP server for safe AI-assisted operations
- ✓Branded status pages and scoped client logins for agencies
Drawbacks
- ×Fewer monitor types and notification integrations than established tools
- ×Checks currently run from a single location
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