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HetrixTools vs Site24x7: catalog facts
HetrixTools	Site24x7
Freemium Free tier with 15 uptime and 32 blacklist monitors; paid plans add more.	Freemium Free and paid monitoring plans, with a 30-day free trial.
Web	Web
Generous free tier for uptime and blacklist monitoring Checks from up to 12 locations	Covers websites, servers, networks, applications and cloud in one service Alerts through several notification channels
Hosted only, with no self-hosted option Requires an account	Hosted service only; monitoring data lives with the vendor Broad enterprise feature set can be more than a small site needs
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.