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App Store Apps > Productivity > Duo Authenticator
Duo Authenticator icon

Duo Authenticator

by Petr Polasek · Productivity · Free
On the App Store since March 2023 · Data updated 2026-10-29

Duo Authenticator is made and published by Petr Polasek. AppBrain is an independent app data site and isn't affiliated with Petr Polasek. The app name, icon, screenshots and description belong to Petr Polasek and are shown as published on the App Store.

AppBrain's verdict

Rating on App Store
4.21
24 ratings
Last updated
October 21, 2026

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

Rankings

App Store top charts

App Store Rankings for Duo Authenticator

This app is not ranked

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Releases

Updates seen on the App Store
Version
1.0.19
Launched
March 2023

No changelog data

User feedback

Ratings and reviews on the App Store

Comments on Duo Authenticator for iOS

We don't have enough comments to show example comments. Please check back later.

Technology

Found in the app by AppBrain
Price
Free
App size
61.1 MB
Content rating
Everyone

Technologies used by Duo Authenticator

About the app and developer

About Duo Authenticator

Duo Authenticator is a productivity app developed by Petr Polasek.

User Ratings

Duo Authenticator is rated 4.21 out of 5 stars. The rating is based on 24 ratings.

App Information

Duo Authenticator is freely available from the App Store. The app size is 61.15 MB. The latest version available is 1.0.19. The last update was on October 21, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since March 2023.

Developer information for Petr Polasek

Petr Polasek

Address:

Frequently asked questions about Duo Authenticator

Is Duo Authenticator free?

Yes. Duo Authenticator is free on the App Store.

Is Duo Authenticator still available?

Yes. Duo Authenticator is on the App Store, and the last update we saw was on October 21, 2026.

How large is Duo Authenticator?

Duo Authenticator is 61.15 MB.

Is Duo Authenticator suitable for children?

App Store rates the content of Duo Authenticator as suitable for everyone.

How do people rate Duo Authenticator?

Duo Authenticator scores 4.21 out of 5 stars, from 24 ratings on the App Store.

Who made Duo Authenticator?

Duo Authenticator was developed by Petr Polasek. It is listed in the productivity category on the App Store.

What are the best alternatives to Duo Authenticator?

People looking at Duo Authenticator also look at these productivity apps: myTankTemp, Document Scanner by Proofme, EMSFIT01, Geotab Video, NV TRACKING.

Share Duo Authenticator

Store listing

By Petr Polasek, from the App Store
Duo Authenticator Screenshot 1 of 4
Duo Authenticator Screenshot 2 of 4
Duo Authenticator Screenshot 3 of 4
Duo Authenticator Screenshot 4 of 4
Screenshots by Petr Polasek, from the the App Store listing
Description by Petr Polasek Written by the developer, not by AppBrain. Click to read.
As cyber threats continue to become more sophisticated, it's essential to use strong and reliable security measures to protect your online accounts. That's where MFA Authenticator comes in – a mobile app designed to provide an extra layer of security to your online accounts, making it harder for hackers to gain access to your sensitive information.

One of the most significant advantages of using MFA Authenticator is its ease of use. With this app, you can set up two-factor authentication (2FA) quickly, making it easy to secure your accounts. You can use MFA Authenticator with a wide range of services, including Google, Facebook, Dropbox, and many more. The app generates unique, time-sensitive codes that you can use to verify your identity when logging in to your accounts, ensuring that only you can access your information.


Another great feature of MFA Authenticator is its ability to work offline. Unlike some other 2FA solutions that rely on an internet connection, MFA Authenticator can generate codes even when your phone isn't connected to the internet. This feature is particularly useful when traveling or in areas with a weak or non-existent internet connection.


MFA Authenticator is also designed to be highly secure, with a range of measures in place to keep your information safe. For example, the app uses end-to-end encryption to ensure that your codes are only visible to you. Additionally, the app has a built-in security code that you need to enter when setting up the app, ensuring that only you can access your account.


• Quick and easy to set up
• Compatible with a wide range of services
• Generates unique, time-sensitive codes for added security
• Works offline, making it ideal for travel
• Uses end-to-end encryption to keep your information safe
• Requires a security code for added protection.

Overall, MFA Authenticator is an excellent app that can help you stay safe and secure online. With its ease of use, offline functionality, and strong security features, you can rest assured that your information is well-protected. So why not give it a try and take your online security to the next level?

Terms of service: https://www.code4flutter.in/terms-mfauthenticator
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