The Best Authenticator App in 2021: A Comprehensive Guide

In today’s digital world, security is of utmost importance. With the rise of cybercrime, it is essential to keep your online accounts secure. Two-factor authentication (2FA) is a great way to add an extra layer of security to your accounts. The use of authenticator apps has grown in popularity as a 2FA method to keep your accounts safe. With so many authenticator apps available, it can be challenging to choose the best one for your needs. In this guide, we will explore the best authenticator apps available in 2021.

Criteria for Choosing an Authenticator App

Before diving into the best authenticator apps, it is essential to understand the criteria for choosing the best one. Here are some factors to consider when choosing an authenticator app:

Security

Security is of utmost importance when choosing an authenticator app. Make sure the app uses strong encryption algorithms and is regularly updated to prevent security vulnerabilities.

User Experience

The user experience of an app is essential. The app should be easy to use and navigate. It should also have a simple setup process.

Compatibility

Make sure the authenticator app is compatible with the services you want to use it with. Some authenticator apps may not work with certain services.

Backup Options

Make sure the app has backup options in case you lose your phone or the app is accidentally deleted. Some authenticator apps have backup options like cloud storage or backup codes.

Open Source vs. Closed Source

The debate between open source and closed source software has been ongoing. Open source software allows for transparency and collaboration, while closed source software is proprietary and controlled by the company. Choose an authenticator app that aligns with your preferences on open source vs. closed source software.

The Best Authenticator Apps of 2021

1. Google Authenticator

Google Authenticator is one of the most popular authenticator apps available. It is free and easy to use. It generates one-time codes that can be used as a second factor for authentication. Google Authenticator is compatible with a wide range of services, including Google, Facebook, Dropbox, and more. It is also available for both iOS and Android devices. The downside of Google Authenticator is that it does not have backup options, which can be a concern if you lose your phone or accidentally delete the app.

2. Microsoft Authenticator

Microsoft Authenticator is another popular authenticator app. It is free and easy to use. It generates one-time codes that can be used as a second factor for authentication. Microsoft Authenticator is compatible with a wide range of services, including Microsoft, Facebook, Dropbox, and more. It is also available for both iOS and Android devices. Microsoft Authenticator has backup options like cloud backup and recovery codes, which make it a more secure option.

App Security User Experience Compatibility Backup Options Open Source vs. Closed Source
Google Authenticator Strong encryption algorithms, but no backup options Easy to use and navigate Compatible with a wide range of services No backup options Closed source
Microsoft Authenticator Strong encryption algorithms with backup options Easy to use and navigate Compatible with a wide range of services Cloud backup and recovery codes Closed source

3. Authy

Authy is a free authenticator app that is available for both iOS and Android devices. It generates one-time codes that can be used as a second factor for authentication. Authy is compatible with a wide range of services, including Google, Facebook, Dropbox, and more. It has backup options like cloud backup and multi-device support, which makes it a more secure option. The downside of Authy is that it requires an email address and phone number to set up an account.

4. LastPass Authenticator

LastPass Authenticator is a free authenticator app that is available for both iOS and Android devices. It generates one-time codes that can be used as a second factor for authentication. LastPass Authenticator is compatible with a wide range of services, including LastPass, Google, Facebook, Dropbox, and more. It has backup options like cloud backup and multi-device support, which makes it a more secure option. The downside of LastPass Authenticator is that it requires a LastPass account to use.

5. Yubico Authenticator

Yubico Authenticator is a free authenticator app that is available for both iOS and Android devices. It generates one-time codes that can be used as a second factor for authentication. Yubico Authenticator is compatible with a wide range of services, including Google, Facebook, Dropbox, and more. It has backup options like cloud backup and multi-device support, which makes it a more secure option. Yubico Authenticator requires a YubiKey hardware token to use, which can be a downside for some users.

Conclusion

Choosing the best authenticator app for your needs can be challenging. It is essential to consider factors like security, user experience, compatibility, backup options, and open source vs. closed source software. Google Authenticator, Microsoft Authenticator, Authy, LastPass Authenticator, and Yubico Authenticator are some of the best authenticator apps available in 2021. Each app has its strengths and weaknesses, so it is essential to choose the one that aligns with your needs and preferences.