Duo Mobile
Everyone
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Complete Guide To Install Duo Mobile
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.
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.
Security made simple
Updated on
Aug 24, 2026
Data safety
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesabout how developers declare sharing
- This app may collect these data typesApp activity, App info and performance, and Device or other IDs
- Data is encrypted in transit
- Data can’t be deleted
Ratings and reviews
85K reviews
Thomas Nast
- Flag inappropriate
July 6, 2021
When it works, it works, but grudgingly. If you aren't running the most recent Android version, perhaps you have a slightly older phone, it will "remind" you to update, even if your phone is no longer getting android updates. Yes, thanks for reminding me I'm poor, duo. If you're not getting push notifications, you may need to disable battery optimizing for the app, or else android will stop the app from running in the background.
163 people found this review helpful
Cisco Systems, Inc.
July 9, 2021
Hi Thomas, we really appreciate your feedback and advice! We will be sure to pass on your requests to the right people on our team. Please let us know if there is anything else we can do to improve your experience using Duo Mobile.
David Ashman
- Flag inappropriate
November 18, 2021
I've been extremely frustrated with the app for a few weeks now and finally got the point where I'm so sick of it I wanted to leave a review. Judging by the other top reviews here, I'm not the only one. I *still* keep accidentally denying my logins because they moved the 'Deny' button where the 'OK' button goes for pretty much every other app. There are other issues like notifications not showing up, but nothing is more frustrating to me when I'm still tired in the morning and deny my own login because this app swapped the buttons around.
62 people found this review helpful
A Google user
- Flag inappropriate
February 6, 2020
I deleted this app after thinking I didn't need it. I tried getting into my college account and it asks for the DUO push. I re-install the app, but it can't find any of my accounts that are supposed to be backed up. You can't open a new account without a barcode or pin number. And they give you no other options to get into your account. I tried using a password to get in but every single password I have tried doesn't work and they give you no option for forgotten passwords. Terrible app!!
73 people found this review helpful
Cisco Systems, Inc.
February 6, 2020
Hi Naomi, sorry to hear that. Rather than reinstall Duo Mobile, please restore your device from a previous backup using Google Drive, open the Duo Mobile app, and tap Reconnect to add your accounts back. You may also need to reactivate Duo Mobile (duo.sc/2SdUjj8) If you're still having trouble, contact your admin at school and they can assist!
What’s new
We're always working to improve user experience in Duo Mobile. This update introduces various behind-the-scenes improvements and minor bug fixes to enhance your authentication experience.
