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Mauth vs Microsoft Authenticator: catalog facts
Mauth	Microsoft Authenticator
Free Free and open source under the GPL 3.0 licence.	Free Free app from Microsoft for Android and iOS.
Android	Android, iOS
Supports TOTP and HOTP Compatible with Google Authenticator	Passwordless sign-in for Microsoft and work accounts Commonly required by employers using Microsoft sign-in
Android only No formal releases published on GitHub	Mobile only, with no desktop app Most useful inside the Microsoft account ecosystem
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
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 23, 2026

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