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Microsoft Authenticator vs Mauth: catalog facts
Microsoft Authenticator	Mauth
Free Free app from Microsoft for Android and iOS.	Free Free and open source under the GPL 3.0 licence.
Android, iOS	Android
Passwordless sign-in for Microsoft and work accounts Commonly required by employers using Microsoft sign-in	Supports TOTP and HOTP Compatible with Google Authenticator
Mobile only, with no desktop app Most useful inside the Microsoft account ecosystem	Android only No formal releases published on GitHub
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
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 23, 2026	Official website Full listing and sources Checked October 2, 2026

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