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Password Monitor vs Have I Been Pwned: catalog facts
Password Monitor	Have I Been Pwned
Free Free and open source under the GPL-3.0.	Freemium Free breach and password checks; API access for breached accounts requires a subscription.
Android	Web
Checks against the Have I Been Pwned breach database Passwords are not shared, according to the project	Search tens of billions of breached records by email Free Pwned Passwords check using a privacy-preserving range query
Needs an internet connection to query Have I Been Pwned Checks passwords only; it does not store or manage them	Breached-account API access requires a paid subscription Only covers breaches that have been loaded into the service
Downloadable app	Hosted service
Open source	Closed source
License: GPL-3.0-only	License not stated
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.