Best free tier for monitoring

Full-stack observability (metrics + logs + traces) with a generous forever-free tier and usage-based pricing after.

Bandwidth

50 GB logs + 50 GB traces/month

Requests

10k series, 14-day retention, 3 users

Paid from

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Code-level error monitoring with 5k events/month free forever and 30-day retention; focused on error grouping + deployment tracking.

Bandwidth

5k errors/month

Requests

5k events/month, 30-day retention, 1 user

Paid from

$13.5/mo

Error tracking + session replays + performance monitoring — 5k errors and 50 replays free forever; open-source self-host option.

Bandwidth

5k errors/month

Requests

5k errors + 50 replays + 10k performance events/month, 1 user

Paid from

$26/mo

Full-stack error monitoring (mobile + web + backend) with 7.5k events/month free and automatic error stability scoring.

Bandwidth

7.5k errors/month

Requests

7.5k events/month, 1-month retention, 1 user

Paid from

$59/mo

Structured logging (Logtail) + uptime monitoring in one free tier — 1 GB/month logs and 10 monitors with 14-day retention.

Bandwidth

1 GB/month logs

Requests

10 uptime monitors, 14-day log retention

Paid from

$25/mo

Full-stack APM + logs + metrics + traces — no forever-free tier; a 14-day full-platform trial, then usage-based host pricing.

Bandwidth

n/a

Requests

No forever-free tier — 14-day full-platform trial

Paid from

$15/mo