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HetrixTools vs UptimeRobot: catalog facts
HetrixTools	UptimeRobot
Freemium Free tier with 15 uptime and 32 blacklist monitors; paid plans add more.	Freemium Free plan with 50 monitors; paid plans add more features.
Web	Web
Generous free tier for uptime and blacklist monitoring Checks from up to 12 locations	50 monitors on the free plan Wide range of check types, including ports and cron jobs
Hosted only, with no self-hosted option Requires an account	Hosted only Some features such as multi-location checks may need a paid plan
Web application, 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.