Top 10 Best Two-Factor Authentication Apps To Download in 2021

Authy comes packed with just about every feature you can think of for an app like this. Its cloud backup is secured by an SMS-based 2FA system and a password, allowing you to seamlessly sync your OTP codes across multiple devices. The app also comes with offline support and supports most  popular websites and account types. It is totally free to use with no in-app purchases and advertisements. 

Google Authentication is arguably the most popular two-factor authentication app. Some of its notable features include Wear OS Support, a dark theme, and offline support. If you switch phones, you can use a QR code to move your credentials without any hassle. It works with many providers and accounts and is completely free to use.

LastPass works seamlessly across all of your devices and browsers. The app supports 6-digit generated passcodes, SMS codes, and automated push notifications for one-tap login. It also keeps all your accounts and codes backed up in the cloud. 

Duo’s security services mainly focus on businesses. It offers  enterprise features such as multi-user deployment options and one-tap push authentication. It supports a wide variety of third-party accounts. Plus, the setup is simple and swift. You can back up Duo Mobile using Google Drive for Android and using iCloud KeyChain on iPhone.

With Microsoft Authenticator, you can generate secure passwords and log in to Microsoft accounts with a button press. One of the prominent features of Microsoft Authenticator is Account Recovery. So, if you switch to a new phone and you install this app, you’ll see an option to recover by signing into your Microsoft account. You also get additional account management options for your Microsoft personal, work or school accounts. The app is free to use with no ads or in-app purchases. 

2FA Authenticator is an excellent choice for six digit TOTP authentication. Using this app, you can add your secret key manually or via QR code if you like. It supports dark mode and offers customization options as well. 

It is a super basic and effective TOTP authentication app. Apart from the basic features, TOTP Authenticator comes with a dark theme, widgets, fingerprint scanner support and cross-platform support with iOS and Chrome. With cloud syncing, you can easily backup your 2FA accounts to your own Google Drive. This keeps you in control of your data while providing effective cloud backup.

1Password is one of the most popular 2FA apps that remembers all your passwords for you and keeps them safe and secure using the one password that only you know. You can access your information on all your mobile devices and computers. It is the ideal place for financial information, personal documentation, or anything you need to keep secure and accessible.Additionally, it uses end-to-end encryption. 

FreeOTP Authenticator works with most popular accounts, including Facebook, Google, and many others. You also get support for productivity sites like GitHub. It also boasts support for businesses as long as they support TOTP and HOTP. It is open source and free software.

It is a free and open source app to manage your 2-step verification tokens for your online services. This app supports  HOTP and TOTP algorithms, which are industry standard and widely supported. You can also back up your account and export to a new device and import from Authy and andOTP as well.