Gatus vs Uptime Kuma

Uptime Kuma is a self-hosted, lightweight monitor without the advanced test suites and push-based agents that Gatus offers.

Which to pick

What it is: Gatus:Gatus provides automated uptime monitoring, health checks, and public status pages for websites and APIs.; Uptime Kuma:Uptime Kuma is a self-hosted tool for monitoring website and service uptime.
Best for: Gatus:Customizable uptime monitoring with status pages; Uptime Kuma:Self-hosted uptime monitoring
Who it’s for: Gatus:Developers and ops teams needing customizable service monitoring and status pages.; Uptime Kuma:Developers and ops teams who want to run their own uptime monitoring.
Pricing: Gatus:Paid; Uptime Kuma:Free
Plans: Gatus:Standard $10/month per month · Premium $20/month per month · Business $50/month per month · Enterprise $500/month per month; Uptime Kuma:—
Open source: Gatus:Yes, 12,261 GitHub stars; Uptime Kuma:Yes, 92,195 GitHub stars
Works with: Gatus:Slack, Discord, PagerDuty, Email, GitHub, GitLab, Teams, Telegram; Uptime Kuma:—

Multi-Protocol Monitoring. Check HTTP/HTTPS, DNS, TCP, UDP, ICMP, TLS, GRPC, WebSocket and more.
Test Suites. Run sequential endpoint tests sharing context to validate full workflows.
Smart Alerting. Instant alerts via Slack, Discord, PagerDuty, email and 15+ other platforms.
Public Status Pages. Automatically update status pages with real-time uptime and incident info.
Push-Based Monitoring. Use custom agents to push status from private networks or behind firewalls.
Custom Conditions. Validate JSON responses, SSL certificates, domain expiration and response times.
Open-Source Core. Built on open-source technology with full source code access.
API & CI/CD Integration. Expose monitoring data via API and integrate checks into pipelines.

Self-hosted. Runs on your own infrastructure without relying on third-party services.
Docker deployment. Start with a single Docker command that sets up the container and data volume.
Live demo. Provides an online demo to explore the interface before installing.
Documentation. Includes docs for setup and usage linked from the main page.

Is Gatus or Uptime Kuma free?+

Gatus is paid, from $10/month (Standard), with a free trial. Uptime Kuma is free.

Which is cheaper, Gatus or Uptime Kuma?+

Uptime Kuma is free, so it costs less. Gatus starts at $10/month (Standard).

Is Gatus or Uptime Kuma open source?+

Yes, both are open source: Gatus (TwiN/gatus on GitHub, Apache-2.0 license) and Uptime Kuma (louislam/uptime-kuma on GitHub, MIT license).

Gatus

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Uptime Kuma

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Based on each tool's website and DevHunt data. Details may change; check the official sites.