| Cost | ⚠️ Warning: Free software, but requires your own server and maintenance | ✓ Yes: Free plan with 50 monitors. Paid plans available |
| Setup | ⚠️ Warning: Self-hosted with Docker or Node.js | ✓ Yes: Sign up and add a monitor in 30 seconds |
| During your own server outage | ⚠️ Warning: Can go down too if hosted on the same infrastructure | ✓ Yes: Monitoring runs outside your infrastructure |
| False positives | ⚠️ Warning: Checks and retries come from one server | ✓ Yes: Failed checks re-checked from a second data center |
| Check interval | ⓘ Info: Default 60 seconds, configurable | ⓘ Info: 5 min Free, 60 sec Solo, 30 sec Team, 15 sec Scale |
| Monitor types | ⓘ Info: HTTP(s), keyword, JSON query, TCP, ping, DNS, push, Docker, databases + more | ⓘ Info: HTTP(s), keyword, ping and port on Free. More types on paid plans |
| Notification channels | ⚠️ Warning: Set up individually. Email requires your own SMTP server | ✓ Yes: Email, mobile push + 17 native integrations |
| SMS & voice alerts | ⚠️ Warning: Requires provider setup | ✓ Yes: Built in, with credits available |
| Status pages | ⚠️ Warning: Hosted on your server | ✓ Yes: Hosted by UptimeRobot. Basic on Free, 3 Solo, 100 Team, unlimited Scale |
| Status page email subscribers | ✗ No: Not available | ✓ Yes: Team and Scale |
| API | ✗ No: No official monitor-management API | ✓ Yes: REST API on every plan |
| Team access | ✗ No: One login per install | ✓ Yes: Admin, Write and Read roles + notify-only seats |
| Mobile app | ✗ No: No official app | ✓ Yes: iOS and Android, free for all users |
| Support | ⚠️ Warning: Community support via GitHub | ✓ Yes: Free live chat and email support |
| Development | ⓘ Info: Open-source, maintained by contributors | ⓘ Info: Dedicated product team |