Compare software

Website MonitorUptimeRobot
Free

Free and open source under the GPL-3.0 licence.

 Freemium

Free plan with 50 monitors; paid plans add more features.

Android Web
  • Supports per-site monitoring intervals
  • Can notify for selected HTTP status codes
  • 50 monitors on the free plan
  • Wide range of check types, including ports and cron jobs
  • Available for Android only
  • Hosted only
  • Some features such as multi-location checks may need a paid plan
Downloadable app Hosted service
Open source Closed source
License: GPL-3.0 License not stated
No account needed Account needed
Not stated if it works offline Needs internet

Checked October 8, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.