uptime-kuma vs Gatus
Side-by-side comparison of features, pricing, ratings, and alternatives.
Uptime Kuma is a self-hosted uptime and status page that allows you to monitor your websites and applications. It provides a simple and easy-to-use interface to create and manage your status pages.
Gatus is a lightweight, self‑hosted monitoring solution that continuously checks the health of your services and endpoints. It provides real‑time status pages and integrates with popular incident management tools. Designed for DevOps engineers and system administrators, Gatus runs on any web server and offers flexible alert routing via Slack, PagerDuty, and email, all without any licensing costs.
- Self-hosted solution for maximum control and security
- Customizable status pages with your own branding
- Real-time monitoring and alert system
- Support for multiple languages
- Completely free and open‑source
- Easy to self‑host with minimal dependencies
- Flexible alert routing to multiple channels
- Simple YAML configuration for version control
- Limited scalability
- Steep learning curve for customization
- Limited support for advanced features
- Limited built‑in visualization compared to commercial tools
- No native mobile app for push notifications
- Requires manual setup of external integrations
More alternatives & similar tools
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The Verdict
AI-generated from listing dataBoth tools are free, self‑hosted monitoring solutions; uptime‑kuma offers richer UI customization and multilingual support, while Gatus provides simpler YAML‑based setup and stronger Prometheus integration.
Key differences
- •Uptime‑kuma includes built‑in status‑page theming and multi‑language UI; Gatus focuses on protocol checks (HTTP, TCP, DNS) and Prometheus metrics export.
- •Uptime‑kuma integrates with Discord, Telegram, and GitHub; Gatus routes alerts to Slack, PagerDuty, and email.
- •Configuration: uptime‑kuma uses a web UI with plugins; Gatus uses plain YAML files for version‑controlled configs.
- •Alert customization: uptime‑kuma offers real‑time alerts via chat apps; Gatus allows custom thresholds, retries, and multiple channel routing.
- •Scalability: uptime‑kuma is noted as limited in scalability; Gatus has no explicit scalability limit mentioned.
Pricing & value
Both are free and open‑source, offering comparable cost‑free value.
Ease of use / learning curve
Gatus uses simple YAML files, making initial setup easier than uptime‑kuma's steeper customization learning curve.
Features & depth
Uptime‑kuma provides customizable status pages, multi‑language UI, and plugin/theme support beyond Gatus's core checks.
Integrations & ecosystem
Uptime‑kuma integrates with Discord, Telegram, GitHub; Gatus integrates with Slack, PagerDuty, email only.
Collaboration
Uptime‑kuma’s community forum and GitHub Issues plus status‑page sharing aid team collaboration more than Gatus.
Scalability
Gatus has no stated scalability limits; uptime‑kuma is explicitly noted as limited in scalability.
Support
Uptime‑kuma offers both GitHub Issues and a community forum, whereas Gatus lists only email and GitHub issues.
Security & privacy
Both are self‑hosted open‑source, giving comparable control over data security.
Migration / lock‑in
Both use open-source codebases; migration would require custom effort, no lock‑in advantage for either.
Choose uptime-kuma if…
Teams needing branded status pages, multilingual UI, and chat‑based alerts (e.g., dev teams with Discord/Telegram).
Choose Gatus if…
Ops teams preferring lightweight YAML config, Prometheus metrics, and Slack/PagerDuty alert routing.
Common questions
Is there any cost to use either tool?
Both uptime‑kuma and Gatus are free and open‑source with no licensing fees.
Which tool is easier to set up for a small team?
Gatus is easier for small teams because it uses simple YAML files and minimal dependencies.
Can I get real‑time alerts via Discord or Slack?
Uptime‑kuma supports Discord and Telegram alerts; Gatus supports Slack, PagerDuty, and email alerts.