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VaultX vs KeePassDX: catalog facts
VaultX	KeePassDX
Free Free and open source under the MIT licence.	Free Free and open source under the GPL. A paid version on the Play Store supports development.
Android	Android
Fully offline with no cloud dependency AES-256 encryption of stored data	Native Android autofill and biometric unlock over a local kdbx file No account, no sync service, nothing leaves the device unless you move the file
No sync between devices Small, young project without an independent audit	You still have to arrange syncing the database file yourself Advanced editing features lag the desktop clients
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
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 October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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