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Error tracking

Highlight.io

OSS session replay + errors + logs in one tool.

Visit Highlight.ioVerify on pricing page
Free tier

500 sessions/mo, 1k errors/mo, 1 GB logs/mo

  • Replay quota is the binding constraint — tune sampling.
  • Self-host available if you outgrow cloud free.
Alternatives

Drop-in alternatives

Solve a similar problem if you outgrow Highlight.io's free tier — or just want a second option in your back pocket.

Top pick

Sentry

The standard for error tracking + performance + replays.

5k errors/mo, 50 replays/mo, 10k performance units/mo, 1 user

Error tracking2026-05

Last verified 2026-05 · free-tier numbers shift — confirm at the pricing page before relying on a quota for a launch decision.