You need it to recover your 2FA later or to import it on other devices.
Always backup in cryptocurrency.
If you already used or want to use Google Aunthenticator, let's read 2FA - Important Precautions with Google Authenticator and consider to use alternatives.
- Aegis Authenticator Android, F-droid
- Tofu Authenticator iOS
- Raivo OTP iOS, Mac
- Ente Authenticator Android, iOS
- andOTP - OTP Authenticator Android, F-droid
Aegis Authenticator _____ Android, F-droid
- Website: https://getaegis.app/
- Github: https://github.com/beemdevelopment/Aegis
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Aegis is an alternative to proprietary two factor authentication apps like Google Authenticator and Authy. Its most important features, are security and backups.
It is a free, secure and open source 2FA app for Android.
It aims to provide a secure authenticator for your online services, while also including some features missing in existing authenticator apps, like proper encryption and backups.
Aegis supports HOTP and TOTP, making it compatible with thousands of services.
For a list of frequently asked questions, please check out the FAQ.
The security design of the app and the vault format is described in detail in this document.
Features
It is a free, secure and open source 2FA app for Android.
It aims to provide a secure authenticator for your online services, while also including some features missing in existing authenticator apps, like proper encryption and backups.
Aegis supports HOTP and TOTP, making it compatible with thousands of services.
For a list of frequently asked questions, please check out the FAQ.
The security design of the app and the vault format is described in detail in this document.
Features
Tofu Authenticator _____ iOS
- Website: https://www.tofuauth.com/
- Github: https://github.com/iKenndac/Tofu
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An easy-to-use, open-source two-factor authentication app designed specifically for iOS.
Tofu generates one-time passwords to help you protect your online accounts. These passwords are used together with your normal password when you sign into services like Google, Facebook, Dropbox, Amazon, and GitHub.
Tofu works with all services that provide two-factor authentication using the HOTP and TOTP algorithms. It does not require a network or cellular connection and can be used in airplane mode.
Tofu generates one-time passwords to help you protect your online accounts. These passwords are used together with your normal password when you sign into services like Google, Facebook, Dropbox, Amazon, and GitHub.
Tofu works with all services that provide two-factor authentication using the HOTP and TOTP algorithms. It does not require a network or cellular connection and can be used in airplane mode.
Raivo OTP _____ iOS, Mac
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A native, lightweight, non-commercial and secure multi-factor authenticator that synchronises your one-time passwords (OTP) across all of your Apple devices.
Open Raivo OTP in one tap, sign in with FaceID and copy your one-time password to your Mac in one tap with the Raivo MacOS companion app. Using a multi-factor authenticator has never been easier!
Open Raivo OTP in one tap, sign in with FaceID and copy your one-time password to your Mac in one tap with the Raivo MacOS companion app. Using a multi-factor authenticator has never been easier!
Ente Authenticator _____ Android, FiOS
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ente's Authenticator app helps you generate and store 2 step verification (2FA) tokens on your mobile devices.
Features
Features
- Secure Backups
- Multi Device Synchronization
- Offline Mode
- Import and Export Tokens
- Scanning a QR code
andOTP - OTP Authenticator ____ Android, F-droid
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andOTP is currently unmaintained, please check GitHub for additional details.
andOTP implements Time-based One-time Passwords (TOTP) like specified in RFC 6238 (HOTP support is currently in beta testing). Simply scan the QR code and login with the generated 6-digit code.
andOTP implements Time-based One-time Passwords (TOTP) like specified in RFC 6238 (HOTP support is currently in beta testing). Simply scan the QR code and login with the generated 6-digit code.