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Free monitoring & analytics tiers compared

8 services. Limits as published by each vendor; click the date to open the source.

ServiceFree limitsCatchChecked
Sentry (Developer)
Free tier
  • Users1
  • Errors5k
  • Logs5 GB
  • Tracing5M spans
  • Session replay50
  • Uptime / cron monitors1 / 1
—15 Oct 2026
Better Stack (Free)
Free tier
  • Monitors & heartbeats10
  • Status pages1
  • Exceptions100,000 / month
  • Session replays5,000
  • Logs3 GB
—15 Oct 2026
UptimeRobot (Free)
Free tier
  • Monitors50
  • Interval5 minutes
  • Integrations5
Free plan is for hobby / non-profit projects.15 Oct 2026
Grafana Cloud (Free)
Free tier
  • Active series10k / month
  • Retention14 days
Community support only.15 Oct 2026
New Relic (Free)
Free tier
  • Data ingest100 GB / month
  • Full platform users1
  • Basic usersUnlimited
—15 Oct 2026
Honeycomb (Free)
Free tier
  • Events20M / month
  • Metrics data points100M / month
  • Triggers2
—15 Oct 2026
PostHog
Free tier
  • Analytics events1M / month
  • Session replays5K / month
  • Feature flag requests1M / month
  • Exceptions100K / month
  • Survey responses1,500 / month
  • Logs10 GB
Allowance resets monthly, card or not.15 Oct 2026
Axiom (Personal)
Free tier
  • Data loading500 GB / month
  • Query compute10 GB-hours
  • Storage25 GB
  • Retention30 days
—15 Oct 2026