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Strongbox vs KeePass: catalog facts
Strongbox	KeePass
Freemium Available through the App Store, with paid features on top of the free app.	Free Free and open source under the GPL.
macOS, iOS, Browser extension	Windows
Uses standard KeePass files with no lock-in Sync through cloud storage, WebDAV or SFTP	Entirely local, with no account and no service to trust The kdbx format is read by dozens of compatible clients on every platform
Apple platforms only Many settings to understand for new users	The official client is Windows-focused and its interface is dated Syncing between devices is your responsibility
Downloadable app, Browser extension	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
No account needed	Not stated if an account is 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 22, 2026

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