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KeePassDX vs VaultX: catalog facts
KeePassDX	VaultX
Free Free and open source under the GPL. A paid version on the Play Store supports development.	Free Free and open source under the MIT licence.
Android	Android
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	Fully offline with no cloud dependency AES-256 encryption of stored data
You still have to arrange syncing the database file yourself Advanced editing features lag the desktop clients	No sync between devices Small, young project without an independent audit
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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