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UptimeRobot vs Checkly: catalog facts
UptimeRobot	Checkly
Freemium Free plan with 50 monitors; paid plans add more features.	Freemium Free to start, with paid plans for larger use.
Web	Web, Command line
50 monitors on the free plan Wide range of check types, including ports and cron jobs	Monitors defined as code and kept in version control Uses standard Playwright for browser checks
Hosted only Some features such as multi-location checks may need a paid plan	Requires writing code, so less suited to non-developers Checks run on Checkly's hosted infrastructure
Hosted service	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.