Compare software

KeePassNatMsgKee
Free

Free and open source under the GPL-3.0 licence.

 Freemium

Version 2 is free on Android and iOS; the developer also offers a subscription.

Windows Android, iOS, Web, Browser extension
  • Connects KeePass 2.x to the KeePassXC-Browser extension
  • Uses Native Messaging rather than a local HTTP server
  • Browser auto-fill for KeePass-format password stores
  • Argon2 vault protection and open source code
  • Maintenance-only mode with critical fixes only
  • Requires KeePass 2.x and a separate browser extension
  • Two app versions with different features can be confusing
  • Licence for the source code is not stated on the homepage
Downloadable app Downloadable app, Web application, Browser extension
Open source Open source
License: GPL-3.0 License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Works offline

Checked October 2, 2026

Checked October 1, 2026

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