Duo Mobile is a business app developed by Cisco Systems, Inc.
Install Statistics
Duo Mobile has been installed 53 million times. In the last 30 days, the app was installed 440 thousand times. It is ranked in the top 100 business apps.
User Ratings
Duo Mobile is rated 4.12 out of 5 stars. The rating is based on 85 thousand ratings.
App Information
Duo Mobile is freely available from Google Play. The last update was on January 23, 2023.
Technical Requirements
Duo Mobile requires Android 12+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since May 2011.
Description by Cisco Systems, Inc.(from Google Play)
Duo Mobile works with Duo Security's two-factor authentication service to make logins more secure. The application generates passcodes for login and can receive push notifications for easy, one-tap authentication.
Additionally, you can use Duo Mobile to manage two-factor authentication for other application and web services that make use of passcodes.
Duo Mobile also has a companion app for Wear OS, Duo Wear, making secure authentication even more convenient on your smartwatch.
Note: For Duo accounts, Duo Mobile needs to be activated and linked to your account before it will work. You will receive an activation link as part of Duo's enrollment process. You may add third-party accounts at any time.
Additionally, we will request access to use your camera for the sole purpose of scanning QR codes when activating accounts. Accounts can be activated by other methods if you choose not to do so.
License agreements for third-party Open Source libraries used in Duo Mobile can be found at https://www.duosecurity.com/legal/open-source-licenses.
For the latest Terms and Conditions see https://duo.com/legal/terms.
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That's fine, it's just another authenticator that you can't use until you download your phone into your computer or won't let you use it. They're all the same
★★★★★Kevin Dondrea· Sep 26, 2026
Thank you for quickly fixing my suggestion. It's perfect now that the number keys were added to the top of the letter keys. The app works great. 😊👍
★★★★★Marina Kyunghee Park· Oct 13, 2026
First, I surprised amazing systemic working, I expect lots of experiences future's things. Then I have to share my information to anybody. This Duo mobile phone try to make for the school need to be information? Or what is the function?
★★★★★Jasmine· Oct 18, 2026
When a hacker already had my password and was demanding over text for me to let them into my school account, Duo Mobile was the only barrier stopping them and allowing me the last bit of control I could have. While it was a harrowing experience, it would have been much worse if there weren't verification checkpoints in place, and I'm glad Duo Mobile had my back in that situation.
★☆☆☆☆Michael· Sep 22, 2026
DO NOT use this company!!! Their app is terrible. I already for days cannot access any of my university accounts!
★☆☆☆☆Shashwat Tiwari· Oct 16, 2026
I used Duo Mobile as my authenticator for my Instagram account. Unfortunately, I deleted the app for some reason, and when I reinstalled it, my Instagram authentication code was no longer available. As a result, I have lost access to my Instagram account. This is extremely frustrating because I trusted this app to keep my account secure, but now I cannot access it. There should be a proper way to restore previously configured authentication accounts after reinstalling the app.
★☆☆☆☆Sam· Oct 8, 2026
I have an existing Duo account, and recently reinstalled Duo on my phone. I since cannot receive the push code. When I open Duo, it asks me to scan a QR code or click "I have existing accounts". After clicking, it asked for account name, passcode, and eventually asked me to open Duo and verify the push code. Do is already open, and cannot receive code. It goes in circles, I cannot receive the code, so I need to log in. In order to log in, I need the code. Don't know if an app can be more stupid.
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