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UptimeRobot vs Oh Dear: catalog facts
UptimeRobot	Oh Dear
Freemium Free plan with 50 monitors; paid plans add more features.	Paid Paid plans with a 10-day free trial that needs no payment details.
Web	Web
50 monitors on the free plan Wide range of check types, including ports and cron jobs	Crawls whole sites for broken links, not just the homepage Uptime, SSL, DNS and cron checks in one tool
Hosted only Some features such as multi-location checks may need a paid plan	No permanent free plan Hosted only
Hosted service	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.