Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens for your online services.
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Free Duo mobile AlternativesAuthenticators and other similar apps like Duo mobile
The best free alternative to Duo mobile is Aegis Authenticator, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Duo mobile and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Duo mobile are Proton Authenticator, 2FA Authenticator (2FAS), Authy and FreeOTP.
Alternatives list
51 Aegis Authenticator alternatives
Protect your accounts with Proton Authenticator, a private and secure cross-device two-factor authentication (2FA) that works offline. Created by Proton, the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- F-Droid
- Online
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68 2FA Authenticator (2FAS) alternatives2FAS Authenticator is a simple and free application for Two Factor Authentication (2FA Authentication) which generates Time-based One-time Passwords (TOTP) and PUSH authentication*.
Cost / License
- Free
- Open Source
Application type
Platforms
- Android
- iPhone
- Android Tablet
- iPad
- Google Chrome
- Mozilla Firefox
+3
83 Authy alternativesManage 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.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
+1
57 FreeOTP alternativesFreeOTP 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.
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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.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Android
- Android Tablet
- Android Wear
- F-Droid
+5
Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Mac
- Windows
- Linux
- Microsoft Edge
- Google Chrome
- Mozilla Firefox
66 Microsoft Authenticator alternativesSign 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.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Android
- iPhone
- Android Tablet
- Windows Phone
- iPad
+2
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.
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Open-source authenticator app for iOS and macOS generates time-based one-time passwords, supports secure iCloud sync and encrypted backup, FaceID and TouchID unlocking, QR code scanning, custom icons, search, handoff for copying codes, and encrypted export.
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OTP authenticator app for managing your 2FA / OTP codes on iPhone, iPad, Mac and Apple Watch.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
- Linux Mobile
- Flathub
- Flatpak
+2
Keysmith is a token generator for your two-factor authentication (2FA) logins. It supports time and hash-based one-time passwords (TOTP/HOTP).
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Linux
- KDE Plasma
- Linux Mobile
- Flathub
- Plasma Mobile
- Flatpak
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