Open Authenticator AlternativesAuthenticators and other similar apps like Open Authenticator

Open Authenticator is described as 'A trusted open-source Authenticator. Formerly known as SmartWatch2 Authenticator free' and is a Authenticator in the security & privacy category. There are more than 25 alternatives to Open Authenticator for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Apple Watch apps. The best Open Authenticator alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like Open Authenticator are Authy, 2FA Authenticator (2FAS), andOTP and FreeOTP.

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Open Authenticator alternatives are mainly Authenticators but may also be Password Managers or QR Code Readers.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Open Authenticator.
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A trusted open-source Authenticator. Formerly known as SmartWatch2 Authenticator free.

More about Open Authenticator
Open Authenticator alternatives page was last updated Oct 24, 2024
  1. Aegis Authenticator icon
     189 likes

    Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens for your online services.

    40 Aegis Authenticator alternatives
    Aegis Authenticator screenshot 1
    Aegis Authenticator screenshot 2
    +5
    Aegis Authenticator screenshot 3

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Android
    • F-Droid

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Two-factor Authentication
    2.  Encrypted Backup
    3.  Biometric Authentication
    4.  Multi-Factor Authentication (MFA)
    5.  Unlock with fingerprint
    6.  Data export/import
    7.  Dark Mode
    8.  Time-based One-time Password
    9.  Ad-free
    10.  Works Offline
    11.  Multiple Account support
    12.  End-to-End Encryption
    Aegis Authenticator iconOpen Authenticator Icon

    Aegis Authenticator VS Open Authenticator

    Is Aegis Authenticator a good alternative to Open Authenticator?
     
    Comments about Aegis Authenticator as an Alternative to Open Authenticator
     
    Guest

    Its the only authenticator with biometric lock. Typing passwords on a phone is a pain in the a**

    Positive commentJul 10, 2020
    0
    Open Authenticator Icon
    Aegis Authenticator icon
    • Aegis Authenticator is the most popular Android alternative to Open Authenticator.

    • Aegis Authenticator is the most popular Open Source & free alternative to Open Authenticator.

    • Aegis Authenticator is Free and Open SourceOpen Authenticator is also Free and Open Source
    • Aegis Authenticator is Privacy focused and LightweightOpen Authenticator is not according to our users
  2. Authy icon
     225 likes

    Manage two-factor authentication seamlessly across various platforms with secure cloud backups and offline access. From Gmail to LastPass, enhance security effortlessly. Sync multiple devices securely and protect sensitive data with robust encryption.

    70 Authy alternatives
    Authy screenshot 1
    Authy screenshot 2
    +1
    Authy screenshot 3

    License model

    • FreeProprietary

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Two-factor Authentication
    2.  Cloud Sync
    3.  Encrypted Backup
    4.  Time-based One-time Password
    5.  Multi-Factor Authentication (MFA)
    6.  Cloud based
    7.  Multiple Account support
    8.  Biometric Authentication
    9.  Password protection
    10.  Ad-free
    11.  Dark Mode
    12.  Works Offline
    Authy iconOpen Authenticator Icon

    Authy VS Open Authenticator

    Is Authy a good alternative to Open Authenticator?
     
    • Authy is the most popular iPhone, iPad & Android Tablet alternative to Open Authenticator.

    • Authy is Free and ProprietaryOpen Authenticator is Free and Open Source
    • Authy is Lightweight and Privacy focusedOpen Authenticator is not according to our users
  3. 2FA Authenticator (2FAS) icon
     34 likes

    2FAS Authenticator is a simple and free application for Two Factor Authentication (2FA Authentication) which generates Time-based One-time Passwords (TOTP) and PUSH authentication*.

    53 2FA Authenticator (2FAS) alternatives
    2FA Authenticator (2FAS) screenshot 1
    2FA Authenticator (2FAS) screenshot 2
    +3
    2FA Authenticator (2FAS) screenshot 3

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    • Mozilla Firefox

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Time-based One-time Password
    2.  Dark Mode
    3.  Usability
    4.  Biometric Authentication
    5.  Works Offline
    6.  Encrypted Backup
    7.  Cloud Sync
    8.  Ad-free
    9.  Two-factor Authentication
    10.  Multiple Account support
    11.  End-to-End Encryption
    12.  Browser extension
    2FA Authenticator (2FAS) iconOpen Authenticator Icon

    2FA Authenticator (2FAS) VS Open Authenticator

    Is this a good alternative to Open Authenticator?
     
  4. andOTP icon
     78 likes

    It implements Time-based One-time Passwords (TOTP) and HMAC-Based One-Time Passwords (HOTP). Simply scan the QR code and login with the generated 6-digit code.

    43 andOTP alternatives
    Main (Light theme)
    Settings (Light theme)
    +3
    Backup (Light theme)

    License model

    • FreeOpen Source

    Platforms

    • Android
    • Android Tablet

    Properties

    1.  Privacy focused
    2.  Security-focused

    Features

    1.  Encrypted Backup
    2.  Dark Mode
    3.  Time-based One-time Password
    4.  Two-factor Authentication
    5.  Unlock pin
    6.  Multi-Factor Authentication (MFA)
    7.  Biometric Authentication
    8.  Unlock with fingerprint
    9.  Icon sets
    10.  Sort by date
    11.  Sorting by tags
    12.  Password Generator
    Discontinued

    Unmaintained, see https://github.com/andOTP/andOTP and developers announcement on XDA https://forum.xda-developers.com/t/app-4-4-open-source-andotp-open-source-two-factor-authentication-for-android.3636993/post-87021655. The GitHub repository was also archived in June 2022.

    andOTP iconOpen Authenticator Icon

    andOTP VS Open Authenticator

    Is andOTP a good alternative to Open Authenticator?
     
  5. FreeOTP icon
     77 likes

    FreeOTP is a two-factor authentication application for systems utilizing one-time password protocols with support for Android (6 or later) and iOS (11 or later). Tokens can be added easily by scanning a QR-code or by manually entering in the token configuration.

    44 FreeOTP alternatives
    FreeOTP screenshot 1
    FreeOTP screenshot 2
    +1
    FreeOTP screenshot 3

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad

    Properties

    1.  Privacy focused

    Features

    1.  Two-factor Authentication
    2.  Multiple Account support
    3.  Community-based
    4.  Ad-free
    5.  Works Offline
    6.  Time-based One-time Password
    7.  Dark Mode
    FreeOTP iconOpen Authenticator Icon

    FreeOTP VS Open Authenticator

    Is FreeOTP a good alternative to Open Authenticator?
     
  6. Google Authenticator icon
     71 likes

    Google Authenticator generates 2-Step Verification codes on your phone.

    75 Google Authenticator alternatives
    Google Authenticator screenshot 1
    Google Authenticator screenshot 2
    +3
    Google Authenticator screenshot 3

    License model

    • FreeProprietary

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad

    Google Authenticator Features

    1.  Two-factor Authentication
    2.  Time-based One-time Password
    3.  Multi-Factor Authentication (MFA)
    4.  Dark Mode
    5.  Cloud Sync
    6.  Multiple Account support
    Google Authenticator iconOpen Authenticator Icon

    Google Authenticator VS Open Authenticator

    Is Google Authenticator a good alternative to Open Authenticator?
     
  7. Stratum icon
     14 likes

    A free open-source two factor authentication app for Android. It features encrypted backups, icons, categories and a high level of customisation. It also has a Wear OS companion app.

    41 Stratum alternatives
    Stratum screenshot 1
    Stratum screenshot 2
    +5
    Stratum screenshot 3

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • Android Wear
    • F-Droid

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Time-based One-time Password
    2.  Two-factor Authentication
    3.  Encrypted Backup
    4.  Dark Mode
    5.  Ad-free
    6.  Compatible with Android Wear
    7.  Works Offline
    8.  Multiple Account support
    9.  Biometric Authentication
    10.  End-to-End Encryption
    11.  No Tracking
    12.  Multi-Factor Authentication (MFA)
    Stratum iconOpen Authenticator Icon

    Stratum VS Open Authenticator

    Is Stratum a good alternative to Open Authenticator?
     
  8. Authenticator Extension icon
     17 likes

    Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts.

    47 Authenticator Extension alternatives
    Authenticator Extension screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Microsoft Edge
    • Google Chrome
    • Mozilla Firefox

    Authenticator Extension Features

    1.  Two-factor Authentication
    2.  Browser extension
    3.  Time-based One-time Password
    4.  Multi-Factor Authentication (MFA)
    5.  Dark Mode
    Authenticator Extension iconOpen Authenticator Icon

    Authenticator Extension VS Open Authenticator

    Is this a good alternative to Open Authenticator?
     
    • Authenticator Extension is the most popular Windows, Mac & Linux alternative to Open Authenticator.

    • Authenticator Extension is Free and Open SourceOpen Authenticator is also Free and Open Source
  9. OVault icon
     3 likes

    OVault is a super simple OTP app that lets you view and manage OTPs for all your accounts. Set up OTPs by scanning QR codes with your devices Camera App, or by manually providing the OTP secret to the app.

    51 OVault alternatives
    OVault screenshot 1

    License model

    • FreeOpen Source

    Platforms

    • Mac
    • iPhone
    • iPad

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  No Tracking
    2.  Ad-free
    3.  Time-based One-time Password
    4.  Works Offline
    5.  No registration required
    6.  Sync with iCloud
    7.  iOS widget
    8.  Keychain
    OVault iconOpen Authenticator Icon

    OVault VS Open Authenticator

    Is OVault a good alternative to Open Authenticator?
     
  10. Keysmith icon
     5 likes

    Keysmith is a token generator for your two-factor authentication (2FA) logins. It supports time and hash-based one-time passwords (TOTP/HOTP).

    69 Keysmith alternatives
    Keysmith screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Linux
    • KDE Plasma
    • Linux Mobile
    • Flathub
    • Plasma Mobile
    • Flatpak

    Properties

    1.  Privacy focused

    Features

    1.  Two-factor Authentication
    2.  Time-based One-time Password
    Keysmith iconOpen Authenticator Icon

    Keysmith VS Open Authenticator

    Is Keysmith a good alternative to Open Authenticator?
     
  11. 2fast icon
     5 likes

    2fast (acronym for two factor authenticator supporting TOTP) is the first free, open source, two factor authenticator for Windows and Android with the ability to store the sensitive data encrypted at a place of your choice instead of a 3rd party cloud location.

    25 2fast alternatives
    2fast screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Windows

    2fast Features

    1.  Two-factor Authentication
    2.  Time-based One-time Password
    3.  AES Encryption
    4.  Password protection
    2fast iconOpen Authenticator Icon

    2fast VS Open Authenticator

    Is 2fast a good alternative to Open Authenticator?
     
  12. Microsoft Authenticator icon
     17 likes

    Sign in is easy, convenient, and secure when you use Microsoft Authenticator. Use your phone, not your password, to log into your Microsoft account. You simply have to enter your username, then approve the notification sent to your phone.

    56 Microsoft Authenticator alternatives
    Microsoft Authenticator screenshot 1
    Microsoft Authenticator screenshot 2
    +2
    Microsoft Authenticator screenshot 3

    License model

    • FreeProprietary

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • Windows Phone
    • iPad

    Microsoft Authenticator Features

    1.  Two-factor Authentication
    2.  Time-based One-time Password
    3.  Biometric Authentication
    4.  Cloud Sync
    5.  Multiple Account support
    6.  Multi-Factor Authentication (MFA)
    7.  Password protection
    Microsoft Authenticator iconOpen Authenticator Icon

    Microsoft Authenticator VS Open Authenticator

    Is this a good alternative to Open Authenticator?
     
12 of 40 Open Authenticator alternatives