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Duo Mobile alternatives: 4 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Duo Mobile: push only works with Duo-protected services, and work accounts usually need re-activation on a new phone. We ranked 4 alternatives by how directly each one replaces Duo Mobile, then by reviews, real visits and how recently each app's facts were checked against its own website. Okta Verify currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Ente Auth logoEnte AuthOpen sourceYesAndroid, iOS, Windows +35 of 559.6
22FAS Auth logo2FAS AuthOpen sourceYesiOS, Android, Browser extension5 of 557.2
  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

    59.6

    score / 100

    Why switch from Duo Mobile

    Keep personal 2FA codes in an open-source app with encrypted sync.

    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 ×0.377
    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 Ente Auth a good Duo Mobile 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

    57.2

    score / 100

    Why switch from Duo Mobile

    Free, account-free app for personal accounts, 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 ×0.369
    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 2FAS Auth a good Duo Mobile 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)

The best Duo Mobile alternative for…

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

Okta Verify logo

Best Duo Mobile alternative for most people

Okta Verify

The equivalent push app for organisations using Okta.

Microsoft Authenticator logo

Best Duo Mobile alternative for a free option

Microsoft Authenticator

The equivalent for organisations on Microsoft Entra ID.

Ente Auth logo

Best Duo Mobile alternative for open source

Ente Auth

Keep personal 2FA codes in an open-source app with encrypted sync.

Ente Auth logo

Best Duo Mobile alternative for self-hosting

Ente Auth

Keep personal 2FA codes in an open-source app with encrypted sync.

Okta Verify logo

Best Duo Mobile alternative for Mac

Okta Verify

The equivalent push app for organisations using Okta.

Okta Verify logo

Best Duo Mobile alternative for Windows

Okta Verify

The equivalent push app for organisations using Okta.

Ente Auth logo

Best Duo Mobile alternative for Linux

Ente Auth

Keep personal 2FA codes in an open-source app with encrypted sync.

2FAS Auth logo

Best Duo Mobile alternative for iPhone and Android

2FAS Auth

Free, account-free app for personal accounts, with a browser extension.

Ente Auth logo

Best Duo Mobile alternative for working in the browser

Ente Auth

Keep personal 2FA codes in an open-source app with encrypted sync.

Duo Mobile alternatives: common questions

What is the best alternative to Duo Mobile?

Okta Verify ranks first right now. The equivalent push app for organisations using Okta. Microsoft Authenticator and Ente Auth follow it in our ranking.

Is there a free alternative to Duo Mobile?

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

Is there an open-source alternative to Duo Mobile?

Yes: Ente Auth and 2FAS Auth. Ente Auth can also be self-hosted.

Which Duo Mobile alternatives work on Linux?

Ente Auth runs on Linux.

Why do people switch from Duo Mobile?

The complaints we hear most: push only works with Duo-protected services; work accounts usually need re-activation on a new phone; no desktop app or code export.

How is this list ranked?

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