Duo Mobile 4+

Security made simple

Duo Security LLC

    • Free


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 on your iPhone, iPad, or Apple Watch.

Additionally, you can use Duo Mobile to manage two-factor authentication for other application and web services that make use of passcodes.

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.

License agreements for third-party Open Source libraries used in Duo Mobile can be found at https://www.duosecurity.com/legal/open-source-licenses.

What’s New

Version 4.21.0

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.

Ratings and Reviews

2.4 out of 5
125 Ratings

125 Ratings

Ddstco ,

No search, can’t upload own icons,

No search !!!
If you have dozens of accounts to manage like I do it’s hard to quickly find the one your looking for you. You’ll be scrolling forever.

Can’t upload custom icons !!!
The default list of icons is very limited, which would be fine if you could upload your own icons. But you can’t! This would make the app a lot easier to use as a visual icon is quicker to recognise than text.

The good things are:
+Codes are hidden until you tap on them
+Dark mode supported
+Attractive, minimalist design

However, search for accounts is needed. Custom icons are needed. Better multi-device sync/support is needed. Duo Restore needs to be improved. Show us our codes are backed up so we can have peace of mind if our phone is broken/stolen we won’t be locked out of hundreds of accounts.

vanitalo ,

Apple Watch app suggestion

I previously used an Apple Watch (original series 0) and recently upgraded to a series 7. On the series 7 with watch OS 8.3 the Duo notification requires me to tap the notification which displays the Duo logo and only then can I tap Accept… this is less efficient to how it worked previously on my old Apple Watch which allowed me to tap Accept directly at the first notification screen. It’s not optimal to have to tap twice. Can you please allow the option to tap the Accept/Decline buttons directly from the initial notification screen instead of having to tap the Duo logo before displaying the rest of the notification message with the buttons?

Alec Dayson ,

The most terrible app as I had!

If you change your device or if you delete this app from your cell phone, or if you delete the other linked apps to this app, then it is impossible to restore your access to your previous DUO account and after that you will lose your access to those apps that you linked to DUO, never ever install this disgusting app to your phone, and I promise you if you use this app you feel regret very soon.

The owners of this application should feel shame because of these reviews and this rate.

App Privacy

The developer, Duo Security LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer's privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

You Might Also Like