Uptime Kuma vs UptimeRobot
Uptime Kuma and UptimeRobot are both uptime monitoring software. Uptime Kuma is open source under MIT, with 93k GitHub stars. UptimeRobot is a commercial product from UptimeRobot.
Which to pick
- Pick Uptime Kuma when
- You want an easy, UptimeRobot-style monitor on your own server for a homelab or small business.
- Pick UptimeRobot when
- You want simple, cheap or free monitoring of a handful of sites with alerts.
Side by side
A self-hosted monitoring tool that checks HTTP, TCP, ping, DNS, Docker and more, sends alerts through 90+ notification services and publishes status pages.
Uptime monitoring for websites, ports, keywords, SSL and cron heartbeats, with status pages and a free plan.
Single-instance design, so it does not monitor from multiple locations or scale to very large numbers of checks.
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
JavaScript, Vue, Node.js, SQLite and Socket.IO
Not published
Open source, MIT (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.
93k GitHub stars
No Wikipedia article of its own
Established: started 5 years ago, latest release 2.5.9.
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.