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Google Authenticator vs Microsoft Authenticator: catalog facts
Google Authenticator	Microsoft Authenticator
Free Free to download and use.	Free Free app from Microsoft for Android and iOS.
Android, iOS	Android, iOS
Generates codes without a network connection Optional sync of codes across devices via a Google Account	Passwordless sign-in for Microsoft and work accounts Commonly required by employers using Microsoft sign-in
Cloud sync ties your codes to a Google Account Not open source	Mobile only, with no desktop app Most useful inside the Microsoft account ecosystem
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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