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Open Passkey Authenticator vs Google Password Manager: catalog facts
Open Passkey Authenticator	Google Password Manager
Free Free and open source under the EUPL-1.2.	Free Free with a Google account.
Android	Android, Web
Stores passkeys on the device through Android Credential Manager Works with FIDO hardware keys over NFC and USB	Built into Chrome and Android with nothing extra to install Handles both passwords and passkeys
Requires Android 13 or later Small project with few contributors	Requires a Google account Tied to Google's ecosystem
Downloadable app	Web application, Hosted service
Open source	Closed source
License: EUPL-1.2	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
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.