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Top 10 two-factor authenticator (2FA) apps for Android in 2021

Sangita Brahma by Sangita Brahma
Reading Time: 5 mins read
0

Two-factor authentication (2FA), also known as dual-factor authentication or two-step verification, provides the users with a two-step authentication factor for verification purposes. It is a part of the security process. It is done to safeguard the user’s accessible resources and credentials. Under the two-factor authentication process, you need to provide a password and a biometric factor or a security token. This security process offers an additional layer of security against theft of password database or phishing campaigns. There are now various authenticator apps available for 2FA.

Below you can find the best authenticator apps available for Android. 

Contents show
1 1. Google Authenticator
2 2. 2FA Authenticator
3 3. Twilio Authy 2-Factor Authentication
4 4. Microsoft Authenticator
5 5. TOTP Authenticator
6 6. FreeOTP Authenticator
7 7. Aegis Authenticator
8 8. Blizzard Authenticator
9 9. andOTP Authenticator
10 10. Other two-step verification options

1. Google Authenticator

Google Authenticator is one of the most used and popular dual-factor authenticator apps. Anyone having a Google account can use it. You may also find this Google Authenticator on many other websites. Few features of this app include a dark theme, offline support, and Wear OS support. This app is widely supported and works well too. Google offers this app free of cost to its users.

Google Authenticator
Google Authenticator
Download QR-Code
Google Authenticator
Developer: Google LLC
Price: Free

2. 2FA Authenticator

2FA Authenticator is a simple app with a primary User Interface that provides a 6-digit TOTP (Time-based One-Time Password) authentication. It allows you to add an additional manual secret key or via a QR code. It may not offer a lot of features, but you can customize the app to a limit. You can get this app for free.

2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
Download QR-Code
2FA Authenticator (2FAS)
Developer: 2FAS
Price: Free

3. Twilio Authy 2-Factor Authentication

Authy is a two-factor authentication app similar to that of Microsoft and Google variants. It’s a highly dependable app. While you use Authy, your log-in authentication is done with the codes that you receive from it. This app offers device syncing, offline support, and also widely supports websites as well as account variants. There is no need to make any in-app purchases as it is entirely free.

Twilio Authy Authenticator
Twilio Authy Authenticator
Download QR-Code
Twilio Authy Authenticator
Developer: Authy
Price: Free

4. Microsoft Authenticator

Microsoft Authenticator is the biggest rival of the Google Authenticator app. It is popular, reasonably simple, and works pretty well even on apps that are not a Microsft app. Similar to Google, Microsoft also highly recommends this app to those having a Microsoft account. When the app or a site that you logged in to asks for a code, you can find one on this app. Likewise, you do not have to make any in-app purchases as it is free with no ads.

Microsoft Authenticator
Microsoft Authenticator
Download QR-Code
Microsoft Authenticator
Developer: Microsoft Corporation
Price: Free

5. TOTP Authenticator

TOTP Authenticator is the most useful and essential TOTP authenticator app. It is just as similar to the other authenticator apps out there. However, this app allows cloud syncing so that you can view and make changes from all your devices. But the odds of cloud syncing is that your codes are put online. However, the token generation takes place only on your device and not in the cloud. TOTP Authenticator features include widgets, cross-platform support (iOS and Google chrome Browser extension), dark theme, and fingerprint scanner support. You can get the app for free or either for $5.99.

TOTP Authenticator – 2FA with
TOTP Authenticator – 2FA with
Download QR-Code
TOTP Authenticator – 2FA with
Developer: BinaryBoot
Price: Free

6. FreeOTP Authenticator

FreeOTP Authenticator is an open-source authenticator app. It works pretty well with sites like GitHub and accounts like Google, Facebook, and many more. This app is an adequate low-cost solution for small businesses that supports HOTP and TOTP. And, just like its name, this app is for free.

FreeOTP Authenticator
FreeOTP Authenticator
Download QR-Code
FreeOTP Authenticator
Developer: Red Hat
Price: Free

7. Aegis Authenticator

Aegus Authenticator app may not be that well known, but it actually works quite well. To mention a few, one of its features is that you can lock the app by using a password, PIN, or fingerprint unlock only. It supports many sites on the internet and also the TOTP and HOTP methods. This app also provides account backup so that if you get a new device, export becomes easier. This is also an open-source authenticator app and is entirely free.

Aegis Authenticator - 2FA App
Aegis Authenticator - 2FA App
Download QR-Code
Aegis Authenticator – 2FA App
Developer: Beem Development
Price: Free

8. Blizzard Authenticator

You may have seen that few apps and services have their own dual-factor authentication methods. Such app or services usually has specific separate apps of their own. For instance, there exists Blizzard Authenticator (Blizzard accounts) and LastPass Authenticator (LastPass users). There is also Yahoo, which has a unique two-factor authentication system for Yahoo accounts that works on every Yahoo app. These are also no-cost authenticator apps.

Battle.net Authenticator
Battle.net Authenticator
Download QR-Code
Battle.net Authenticator
Developer: Blizzard Entertainment, Inc.
Price: Free

9. andOTP Authenticator

andOTP is a new dual-factor authenticator app. It is an open-source app that supports TOTP protocol as well. This app’s few distinct features are the dark mode option, Google Authenticator compatibility, and multiple backup options. This app is free on Google Play.

andOTP - OTP Authenticator
andOTP - OTP Authenticator
Download QR-Code
andOTP – OTP Authenticator
Developer: Jakob Nixdorf
Price: Free

10. Other two-step verification options

You might have seen many companies, banks, and other websites use two-step authentication with no use of any separate authenticator app. For instance, Facebook, Twitter, and even Google when the user does not use its Google Authenticator app. One merit of this method is that you get the code directly from the website when you log-in. These days it is a highly recommended method for two-factor authentication. Since there is no involvement of any separate app, it’s usually free.

HOW TO USE 2-FACTOR AUTHENTICATION ON TWITTER!
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Sangita Brahma

Sangita Brahma

Sangita is a commerce graduate from Tezpur University, known for her passion for reading and anime. As a senior editor at droidfeats.com, she has honed her skills in writing and editing. Sangita is an avid reader of fiction novels and enjoys exploring new stories. Her email, [email protected], is open to those who wish to connect with her regarding her work or interests.

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