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CryptCheck vs Hardenize: catalog facts
CryptCheck	Hardenize
Free Free to use in the browser.	Freemium The public report is free; continuous monitoring is a paid service.
Web	Web
Checks HTTPS, SMTP and XMPP servers Detailed protocol and cipher information	Free public configuration report for any domain Continuous certificate and perimeter monitoring for organisations
Interface is in French Little documentation on the home page	Monitoring features are aimed at organisations rather than individuals Little public detail about pricing
Web application	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is 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.