Cloudprober vs Uptime Kuma
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Uptime Kuma
Easy self-hosted uptime monitoring tool
| Feature | Cloudprober | Uptime Kuma |
|---|---|---|
| Deploy effort | Under-an-hour setup | ≈5-minute setup |
| Health score | 81 · Excellent | 100 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | Apache-2.0 | MIT |
| Language | Go | JavaScript |
| Setup difficulty | Medium | Easy |
| Min. RAM | 128 MB | 256 MB |
| Deployment | docker, kubernetes, binary | docker |
| GitHub stars | ★ 704 | ★ 91,752 |
| First released | 2017 | 2021 |
| Replaces | Pingdom, Catchpoint | Pingdom, UptimeRobot |
What are Cloudprober and Uptime Kuma?
Cloudprober
Cloudprober is an active monitoring tool that runs probes against your services to measure availability and latency from an external perspective. It auto-discovers targets, exports Prometheus metrics, and supports HTTP, ping, DNS, gRPC, and UDP probes.
- Black-box probing for many protocols
- Automatic target discovery
- Native Prometheus metrics
- Low memory footprint
Uptime Kuma
Uptime Kuma is a self-hosted monitoring tool that checks the availability of websites, services, and APIs with a clean dashboard. It targets users who want a simple, attractive status monitor. It is deployed via Docker as a single container.
- Monitors HTTP, TCP, DNS and more
- Beautiful dashboard and status pages
- 90+ notification integrations
- Single-container deployment
Cloudprober vs Uptime Kuma: key differences
Cloudprober is written in Go, while Uptime Kuma is built with JavaScript. Licensing differs — Apache-2.0 for Cloudprober versus MIT for Uptime Kuma. Cloudprober is the lighter option, starting around 128 MB of RAM against 256 MB for Uptime Kuma. Cloudprober is the more established project (first released 2017), while Uptime Kuma arrived in 2021. Uptime Kuma has the considerably larger community, at 91,752 GitHub stars versus 704.
Why pick each one
Choose Cloudprober if…
- Cloud-native target discovery
- Single static binary
Watch out for
- YAML configuration required
- No bundled dashboard
Choose Uptime Kuma if…
- Very easy to use
- Great notifications
- Lightweight
Watch out for
- Single instance, no clustering
- Not for deep metrics
Frequently asked questions
Is Cloudprober or Uptime Kuma better?
Uptime Kuma is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Cloudprober if its specific feature set fits your needs better.
Are Cloudprober and Uptime Kuma free and open-source?
Yes. Cloudprober is licensed under Apache-2.0 and Uptime Kuma under MIT. Both can be self-hosted at no software cost.
Can I run Cloudprober and Uptime Kuma with Docker?
Cloudprober: yes. Uptime Kuma: yes.
Which is lighter on resources, Cloudprober or Uptime Kuma?
Cloudprober has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for Uptime Kuma. Real-world usage depends on library size, user count, and enabled features.