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Microsoft Authenticator vs Bitwarden Authenticator: catalog facts
Microsoft Authenticator	Bitwarden Authenticator
Free Free app from Microsoft for Android and iOS.	Free Free to download and use.
Android, iOS	Android, iOS
Passwordless sign-in for Microsoft and work accounts Commonly required by employers using Microsoft sign-in	Standalone app, separate from the password vault Free to use
Mobile only, with no desktop app Most useful inside the Microsoft account ecosystem	Mobile only Few details published about import, export or backup on the product page
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
Not stated if it 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.