Alternatives to Bitwarden Authenticator
A standalone mobile app from Bitwarden that generates and stores two-step verification codes. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Bitwarden Authenticator
A standalone mobile app from Bitwarden that generates and stores two-step verification codes.
Replacements
Listings that take over the same core job as Bitwarden Authenticator.
Google Authenticator
Google's mobile app that generates one-time verification codes for two-step verification.
Google Authenticator generates codes offline and adds optional sync across devices through a Google Account, and is likewise closed source and mobile only.
Microsoft Authenticator
Microsoft's mobile authenticator app for multi-factor and passwordless sign-in to personal and work accounts.
Microsoft Authenticator adds passwordless sign-in for Microsoft personal and work accounts, but it is closed source, mobile only and most useful inside the Microsoft ecosystem.
2FAS
Open-source authenticator app with browser-extension push approvals.
2FAS is open source, adds browser-extension push approvals, and backs up encrypted to your own iCloud or Google Drive account.
Ente Auth
Open-source two-factor authenticator with end-to-end encrypted backups.
Ente Auth is open source and adds desktop and web clients with free end-to-end encrypted cloud backup, though backup relies on an Ente account.
Aegis Authenticator
An encrypted two-factor authentication app for Android with real backups and imports from every other authenticator.
Aegis is open source with an encrypted vault, automatic backups you control and broad imports, but it runs only on Android with no cloud sync.
Authy
Mobile two-factor authenticator with encrypted cloud backup.
Authy offers encrypted backup and multi-device sync on Android and iOS, but it is closed source and account recovery is tied to a phone number.
FreeOTP
An open-source two-factor authentication app for Android and iOS that generates one-time codes.
FreeOTP is a free open-source mobile app available on F-Droid as well as Google Play and the App Store, with minimal documentation.
Proton Authenticator
A free two-factor authentication app from Proton with end-to-end encrypted sync between your devices and no advertising.
Proton Authenticator is open source and adds desktop apps with end-to-end encrypted sync, but sync requires a Proton account and it has fewer import paths.
Also worth comparing
These listings name Bitwarden Authenticator as their own alternative, so the relationship runs both ways.
Duo Mobile
Enterprise multi-factor authentication app with push approvals.
Bitwarden Authenticator is a free standalone mobile app from a password manager vendor, but few import, export or backup details are published.
Step Two
A two-step verification code app for iPhone, iPad, Apple Watch and Mac with iCloud backup.
Bitwarden Authenticator is free on iOS and Android from a password manager vendor, but has no Mac app and publishes few details about backup.
Stratum
A free and open-source two-factor authentication app for Android with encrypted backups and Wear OS support.
Bitwarden Authenticator is a free closed-source app for Android and iOS from a password manager vendor, with few published details about import, export or backup.
Similar software
Related functionality, not a direct replacement.
Bitwarden
An open-source password manager with free cross-device sync, apps for every platform and optional paid plans.
Vaultwarden
A lightweight self-hosted server compatible with the Bitwarden apps, written in Rust.