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Pingdom vs UptimeRobot: catalog facts
Pingdom	UptimeRobot
Paid Paid service with a free trial.	Freemium Free plan with 50 monitors; paid plans add more features.
Web	Web
Transaction checks that simulate user flows Real user monitoring alongside synthetic checks	50 monitors on the free plan Wide range of check types, including ports and cron jobs
No free plan beyond the trial Part of a larger SolarWinds product line aimed at businesses	Hosted only Some features such as multi-location checks may need a paid plan
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.