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Strongbox vs AuthPass: catalog facts
Strongbox	AuthPass
Freemium Available through the App Store, with paid features on top of the free app.	Free Free and open source under the GPL-3.0.
macOS, iOS, Browser extension	Windows, macOS, Linux, Android, iOS, Web
Uses standard KeePass files with no lock-in Sync through cloud storage, WebDAV or SFTP	Same app on every major desktop and mobile platform Reads KeePass KDBX 3 and 4 files
Apple platforms only Many settings to understand for new users	Auto-fill is only available on Android Fewer advanced features than long-established KeePass clients
Downloadable app, Browser extension	Downloadable app, Web application
Closed source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Works offline	Not stated if it works offline
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.