Gatus vs UptimeRobot
Gatus and UptimeRobot are both uptime monitoring software. Gatus is open source under Apache-2.0, with 12k GitHub stars. UptimeRobot is a commercial product from UptimeRobot.
Which to pick
- Pick Gatus when
- Developers want uptime checks defined as config in Git, with assertions on response content and timing.
- Pick UptimeRobot when
- You want simple, cheap or free monitoring of a handful of sites with alerts.
Side by side
A health dashboard and status page that checks endpoints against conditions defined in YAML, with alerting and incident announcements.
Uptime monitoring for websites, ports, keywords, SSL and cron heartbeats, with status pages and a free plan.
Configuration lives in files, with no UI for adding monitors, which suits engineers more than operators.
The free plan has 5-minute checks and its commercial-use terms have tightened.
Production-ready (both)
Self-hosted server
Cloud service and mobile app
Go, Vue, PostgreSQL and SQLite
Not published
Open source, Apache-2.0 (permissive)
Closed source, sold by UptimeRobot
You can build it into a product you sell, as long as you keep its copyright notice.
Closed source: you use it under the maker's terms and cannot change or resell the code.
12k GitHub stars
No Wikipedia article of its own
Established: started 7 years ago, latest release v5.38.0.
Not known
Other comparisons
More uptime monitors
Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.