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Proton Authenticator alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Proton Authenticator: sync requires a Proton account, and newer app with fewer organisation features. We ranked 5 alternatives by how directly each one replaces Proton Authenticator, then by reviews, real visits and how recently each app's facts were checked against its own website. Ente Auth currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Ente Auth logoEnte AuthOpen sourceYesAndroid, iOS, Windows +35 of 566.5
22FAS Auth logo2FAS AuthOpen sourceYesiOS, Android, Browser extension5 of 559.6
3Bitwarden Authenticator logoBitwarden AuthenticatorFreeYesiOS, Android4 of 457.2
4Aegis Authenticator logoAegis AuthenticatorOpen sourceYesAndroid5 of 555.3
5Proton Pass logoProton PassFree plan + paidYesWeb, Windows, macOS +43 of 354.4
  1. Ente Auth logo

    1. Ente AuthTop pick

    Best for: People who want encrypted 2FA sync across phone and computer from an open-source app

    Open sourceSelf-hostableAndroid, iOS, Windows, macOS, Linux, Web

    66.5

    score / 100

    Why switch from Proton Authenticator

    Similar encrypted sync plus a web app, and a self-hostable server.

    Pros

    • End-to-end encrypted sync on every major platform
    • Free and open source, with self-hosting possible
    • Works offline without an account
    • Easy import and export

    Cons

    • Sync requires an Ente account
    • Interface is plain
    • No browser extension for filling codes
    Visit Ente Auth Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Ente Auth a good Proton Authenticator alternative?

    Verified facts

    5 of 5 verified
    License
    AGPL-3.0
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Price
    Free
    Checked Oct 25, 2026help.ente.io(opens source in a new tab)
    Encrypted backups
    End-to-end encrypted, externally audited
    Checked Oct 25, 2026ente.io(opens source in a new tab)
    Platforms
    iOS, Android, web, macOS, Linux, Windows
    Checked Oct 25, 2026ente.io(opens source in a new tab)
    Offline mode
    Use without an account
    Checked Oct 25, 2026ente.io(opens source in a new tab)
  2. 2FAS Auth logo

    2. 2FAS Auth

    Best for: People who want a free, account-free authenticator on both iPhone and Android

    Open sourceiOS, Android, Browser extension

    59.6

    score / 100

    Why switch from Proton Authenticator

    Account-free mobile app with a browser extension.

    Pros

    • Free, open source and needs no account
    • Browser extension sends codes from your phone
    • Backup via your own iCloud or Google Drive
    • Available on both iOS and Android

    Cons

    • No standalone desktop app
    • Browser extension needs your phone for each code
    • Cross-platform sync between iOS and Android relies on export files
    Visit 2FAS Auth Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is 2FAS Auth a good Proton Authenticator alternative?

    Verified facts

    5 of 5 verified
    License
    GPL-3.0
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Price
    Free
    Checked Oct 25, 20262fas.com(opens source in a new tab)
    Account required
    No
    Checked Oct 25, 20262fas.com(opens source in a new tab)
    Browser extension
    Chrome, Brave, Firefox, Edge, Opera, Safari
    Checked Oct 25, 20262fas.com(opens source in a new tab)
    Sync and backup
    Export files, iCloud or Google Drive
    Checked Oct 25, 20262fas.com(opens source in a new tab)
  3. Bitwarden Authenticator logo

    3. Bitwarden Authenticator

    Best for: People who want a simple free authenticator from a trusted open-source security company

    FreeOpen sourceiOS, Android

    57.2

    score / 100

    Why switch from Proton Authenticator

    Free, open-source mobile authenticator from another privacy-minded vendor.

    Pros

    • Free and open source
    • No account needed
    • Optional link with the Bitwarden password manager

    Cons

    • Fairly basic feature set
    • No desktop or browser version
    • Cross-device sync depends on the Bitwarden password manager
    Visit Bitwarden Authenticator Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Bitwarden Authenticator a good Proton Authenticator alternative?

    Verified facts

    4 of 4 verified
    Open source
    Yes
    Checked Oct 25, 2026bitwarden.com(opens source in a new tab)
    Platforms
    iOS and Android
    Checked Oct 25, 2026bitwarden.com(opens source in a new tab)
    Account required
    No
    Checked Oct 25, 2026bitwarden.com(opens source in a new tab)
    Code format
    6 digits, changes every 30 seconds
    Checked Oct 25, 2026bitwarden.com(opens source in a new tab)
  4. Aegis Authenticator logo

    4. Aegis Authenticator

    Best for: Android users who want a private, fully local authenticator with good backups

    Open sourceAndroid

    55.3

    score / 100

    Why switch from Proton Authenticator

    Fully local, highly configurable vault for Android.

    Pros

    • Strong encrypted vault with biometric unlock
    • Imports from most other authenticator apps
    • Automatic encrypted backups to a folder you choose
    • Free, open source and ad-free

    Cons

    • Android only
    • No built-in cloud sync between devices
    • Some imports need root access
    Visit Aegis Authenticator Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Aegis Authenticator a good Proton Authenticator alternative?

    Verified facts

    5 of 5 verified
    License
    GPL-3.0
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Vault encryption
    AES-256-GCM
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Imports
    Authy, Google, Microsoft, 2FAS and more
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Distribution
    Google Play and F-Droid
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Backups
    Automatic, to a location you choose
    Checked Oct 25, 2026github.com(opens source in a new tab)
  5. Proton Pass logo

    5. Proton Pass

    Best for: Privacy-focused users who want email aliases built in

    Free plan + paidOpen sourceWeb, Windows, macOS, Linux, iOS, Android, Browser extension

    54.4

    score / 100

    Why switch from Proton Authenticator

    Keep TOTP codes alongside your passwords in Proton's password manager.

    Pros

    • Built-in hide-my-email aliases
    • Open source and audited
    • Free plan with unlimited devices

    Cons

    • Younger than established managers
    • Some features only in Proton bundles
    Visit Proton Pass Details and reviews
    How this score is calculated
    Editorial fit ×0.352
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Proton Pass a good Proton Authenticator alternative?

    Verified facts

    3 of 3 verified
    Free plan
    Yes
    Checked Oct 24, 2026proton.me(opens source in a new tab)
    Email aliases
    Built in
    Checked Oct 24, 2026proton.me(opens source in a new tab)
    End-to-end encryption
    Yes
    Checked Oct 24, 2026proton.me(opens source in a new tab)

The best Proton Authenticator alternative for…

The highest-ranked app in this list for each need.

Ente Auth logo

Best Proton Authenticator alternative for most people

Ente Auth

Similar encrypted sync plus a web app, and a self-hostable server.

2FAS Auth logo

Best Proton Authenticator alternative for a free option

2FAS Auth

Account-free mobile app with a browser extension.

Proton Pass logo

Best Proton Authenticator alternative for a free plan you can upgrade

Proton Pass

Keep TOTP codes alongside your passwords in Proton's password manager.

Bitwarden Authenticator logo

Best Proton Authenticator alternative for open source

Bitwarden Authenticator

Free, open-source mobile authenticator from another privacy-minded vendor.

Ente Auth logo

Best Proton Authenticator alternative for self-hosting

Ente Auth

Similar encrypted sync plus a web app, and a self-hostable server.

Ente Auth logo

Best Proton Authenticator alternative for Mac

Ente Auth

Similar encrypted sync plus a web app, and a self-hostable server.

Ente Auth logo

Best Proton Authenticator alternative for Windows

Ente Auth

Similar encrypted sync plus a web app, and a self-hostable server.

Ente Auth logo

Best Proton Authenticator alternative for Linux

Ente Auth

Similar encrypted sync plus a web app, and a self-hostable server.

Ente Auth logo

Best Proton Authenticator alternative for iPhone and Android

Ente Auth

Similar encrypted sync plus a web app, and a self-hostable server.

Ente Auth logo

Best Proton Authenticator alternative for working in the browser

Ente Auth

Similar encrypted sync plus a web app, and a self-hostable server.

Proton Authenticator alternatives: common questions

What is the best alternative to Proton Authenticator?

Ente Auth ranks first right now. Similar encrypted sync plus a web app, and a self-hostable server. 2FAS Auth and Bitwarden Authenticator follow it in our ranking.

Is there a free alternative to Proton Authenticator?

Yes. Ente Auth (open source), 2FAS Auth (open source), Bitwarden Authenticator (free) and Aegis Authenticator (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Proton Authenticator?

Yes: Ente Auth, 2FAS Auth, Bitwarden Authenticator and Aegis Authenticator, plus 1 more in the list above. Ente Auth can also be self-hosted.

Which Proton Authenticator alternatives work on Linux?

Ente Auth and Proton Pass run on Linux.

Why do people switch from Proton Authenticator?

The complaints we hear most: sync requires a Proton account; newer app with fewer organisation features; no browser extension of its own.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Proton Authenticator, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.