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Duo Mobile vs Ente Auth: catalog facts
Duo Mobile	Ente Auth
Free The app is free. The Duo service behind it is a paid product for organisations.	Free Free and open source, funded by the company's photo storage product.
Android, iOS	Windows, macOS, Linux, Android, iOS, Web
Verified Push defeats the push-fatigue attacks that plague plain approvals Also works as an ordinary TOTP authenticator for other accounts	End-to-end encrypted cloud backup at no cost Clients on mobile, desktop and the web, all open source
Built around a Duo deployment that an organisation pays for Closed source	Backup relies on an Ente account, even though the data is encrypted
Downloadable app	Downloadable app, Web application
Closed source	Open source
License not stated	License: AGPL-3.0
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 22, 2026	Official website Full listing and sources Checked September 22, 2026

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