Duo Mobile Customer ServiceDuo Security LLC

Duo Mobile Customer Service

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.

Duo Mobile App Comments & Reviews

Duo Mobile Positive Reviews

Duo Works Exactly As IntendedThe app works fine, it provides 2 Factor authentication in a variety of ways. If a user has an issue with duo its not the app makers fault its their IT or security department implementing it poorly or not explaining how it works enough. Complain to them, don’t go after the manufacturer because it won’t improve your experience. There are options in Duo you yourself as a user can do to cut down on the amount of authentications like choosing to remember certain devices. You should also absolutely only use the Duo push feature or use a hardware token instead of phone calls. They are the most reliable and safe methods available. If you use these methods you should only take a few seconds to authenticate every time, and thats only a few times a day. I use Duo twice a day, in the morning and after lunch, and I’ve had maybe one issues with it over 6 months. It works people, you just need to be willing to learn..Version: 4.15.0

The app works fine, it's on the usersI just want to say that my experience with Duo started out a tad rocky, but very quickly got better. I have gone through 2 phones, and helped my friend set up his new one and had no problems. The issues people are running into are that they're not setting up a secondary form of authentication. I use push notifications to authenticate, but when I replaced my phone, I just had duo call me to authenticate and I was in my accounts in seconds. I was then able to add my new phone to duo. If y'all just dig a little into the settings, you'll find everything you need. The company is giving you the tools for not only using your current device, but also very quickly adding new ones, even when your old one is out of commission. Use those tools, and you'll be fine. An authenticator app shouldn't be easy to bypass. That's the point of 2-factor authentication. Learn the app, and you’ll succeed.Version: 4.1.0

Works perfect BUT new users please read my advice:This works perfectly fine to enable 2 factor authentication for school or business. However I’ve seen some upset user stories so I want to share this piece of advice: Compartmentalize Work, School, Personal authentication apps. Once you have duo downloaded it might be tempting to point your personal accounts to duo for convenience but remember your duo enterprise or uni account isn’t reliable for personal use as you are not the account owner. Microsoft, LastPass, Google just to name a few all have 2 factor apps. Download one of them and keep your personal life separate from business. To those that have “new phone” horror stories, I’d personally recommend an authenticator with cloud backup support. Such as Microsoft Authenticator. (Not affiliated with MSFT but their app works well for me.).Version: 3.56.0

Handles an annoying task with aplombI hate the time required to perform two-factor authentication, and so was dreading when my institution began to require it. I was pleasantly surprised that the Duo app handles this task rapidly, much more so than any other app-based or text-based method I’ve used. Usually within about 2 seconds, I can approve a request with a single tap of my Apple Watch (the notification includes an “approve” button) or via two taps of my phone. I wouldn’t hesitate to switch to this system for any other account I use. EDIT: looking in another review, it appears that I could also be quickly approving with a single swipe or 3D-touch and tap from my phone. Perhaps a brief blurb instructing this within the app would be helpful because I would have been doing so all along!.Version: 3.33.3

Misplaced blameAfter reading the negative reviews, I’ve come to the conclusion that people seriously need to take a moment to understand HOW 2FA works, WHERE and WHAT the roles/responsibilities lie and are for each vendor (eg Coinbase vs Duo), and WHY 2FA is important. Is the app perfect? No. Does it work well for what it was designed to do? Yes. Can it be improved? Yes. Here is my wishlist to improve the usability of the app, hopefully the devs are reading! (1) I have well over 50 tokens (many from the same service), please introduce folders or a way to organize/group tokens. (2) Allow for custom icons instead of restricting it to just the ones you’ve decided to include; this would also help me find tokens more quickly. (3) Allow for token access from a widget on the lock screen (either display passcode or tap to immediately open the token in the app)..Version: 3.35.0

Honest Technical ReviewI think it is funny that overall the reviews of this product are complaining when there is clearly no technical experience from these users. Working in the technology field, a lot of these poor reviews could be resolved by reaching out to your school/workplace to ask for help from resources who have done the proper training on this specific 2FA. Also, googling will give you the majority of the answers on how to resolve these specific issues. The 2FA works as it should, and the more knowledge you have on the platform/technology, the better your experience will be. Have colleges/workplaces not provided proper training? I have so many questions for the people leaving negative reviews..Version: 4.14.0

Almost perfect!I love the interface and how there is a variation of event based logins and OTP requests depending on what security factors are necessary for what apps and services. My wishlist of features mostly consists of needing a complication on my Apple Watch to easily access to the application, rather than needing to search or find in my App Library on the watch, as well as widget access on the iPhone and iPad for further quick access to each OTP passcode I need to type in, as they don't always send push notifications when there is a login attempt made. Other than that, I think the app has come a long way and is user friendly with security as its top priority which is what I would want for any service like this.Version: 3.38.0

Interface, interfaceAs far as working as a 2fac this app is fine, it does that. The issue with it is that it’s a really simple app but has an annoying interface. If the buttons for the push notification could be moved to a more thumb friendly location that would be great. It’s just a screen with 2 buttons, there’s no reason to make me adjust my grip on the phone so I can reach the accept button. I should be able to pick the phone up and hit the button in one motion. Not pick the phone up fumble with the position in my hand then hit the button. It’s annoying and unnecessary. The whole screen is there to use for this purpose and is empty. The buttons are large but the phone screen is also large and it puts the buttons out of comfortable reach for one hand use. Stack them in the middle or something. Maybe a flick gesture, or both, I dunno..Version: 3.33.1

A great option for 2FASeeing all the low ratings based on a business’ or university’s decision to apply additional security to their networks, I had to add my two cents. It is 2FA, not Duo, about which most are railing. If you don’t like 2FA, rid the world of hackers and thieves that will use every available means to get into any network they can. Until you accomplish that, accept the fact that for those trying to secure a network, 2FA is a necessary precaution, much like a deadbolt on a door. And Duo is a good method for applying 2FA. We primarily use Duo Push for accessing our systems and it works very well. Unrelated note: Duo works much better than this rating system, which will tell you after the fact that a nickname has been used but won’t suggest one that hasn’t been....Version: 3.28.0

New standard2FA seems to be the new standard as far as consumer security is concerned. At first I was a bit frustrated with the inconvenience of having to use my password and phone to log on to my university account, but the added security is definitely worth it. There so many malicious actors when it comes to attacking university data and this switch to Duo Mobile is for the better. Couple of tips: remember to keep one time passcodes on hand, and allow third party accounts to reconnect automatically (for when you reset your phone or get a new iPhone). Definitely recommend this app not just for school accounts, but any other account you want to add extra security to..Version: 3.37.0

Love it - but Apple Watch app seems to have a bugEdit - issue seems to have been fixed. Also, leaving the Duo app running in the background on the phone, which I hadn’t been doing before, helps. I implemented the free tier of Duo to safeguard my personal VPN against unauthorized access. It works great and having an Apple Watch app is neat too. But recently, I noticed that my watch app wouldn’t generate passcodes anymore. Push notifications to the Watch still work. Restarting the watch seems to work once and then it won’t give codes anymore. I couldn’t find a way to send feedback in the app itself, so I decided to leave a review. Hope this minor bug can be ironed out so I can get back to enjoying that extra convenience!.Version: 3.28.1

Version 4.0.1 introduces bugs with pushI have been a happy Duo Mobile user for 5+ years, but the latest update brought with it some issues. First the good: I can access a fuller version of Duo on my Apple watch (5) and generate and OTP directly from the watch app. This is FANTASTIC. Now the gripe: I can feel the push notification on my watch, but when I raise it to approve, sometimes there’s nothing there, and when I look at my phone’s lock screen: also nothing. I have to open the app on my phone to approve. This is a small-ish inconvenience, but the bug is inconsistent (sometimes push works on the watch, sometimes it doesn’t, and I can’t divine a pattern yet), and for an app with one job, a small, introduced inconvenience is a relatively big deal. Looking forward to seeing this fixed!.Version: 4.1.0

Update Made Life More DifficultI use Duo to login to my university account, I have too. I never had any real issues with the app and didn’t really mind using it. However with the new update where they changed the UI, you can no longer refresh the page. Which is incredibly annoying. Before, I’d be able to send a push to duo and then just refresh the app and the approval would come up instantly. Now, I find myself having to sit there and wait for the app to figure things out. It takes sometimes a minute or more for the push approval to pop up in the app. Why would they take away the refresh feature? I always hate it when apps take away functionality with new ‘refreshed’ UI updates. It’s a terrible design/engineering philosophy..Version: 4.1.0

Here’s a real rating.All the low ratings are from end users who like to complain. Here’s the real truth. The app and platform work very well, far better than most MFA systems. I know because I am the Sys Admin who configures the servers and infrastructure. We have hundreds of end users and they love Duo. Its easy to use and convenient. It always works. Switching to a new phone is a ten second task, and easy. If you are having a bad experience, then your system admin is the problem, not Duo. The latest Nov 2021 update has gone in the wrong direction with the UI though. The prompt on an unlocked screen is now tiny. There’s no direct Approve option from a locked screen. DUO - please bring back those nice UI features..Version: 4.3.0

Ignore the negative reviewsDuo provides a really great 2fA experience, far better than most I’ve dealt with to date. The push notifications are generally fast, and having Apple Watch notification approvals is a fantastic time saver. Virtually *all* of the negative reviews appear to be folks who, frankly, are completely clueless about how 2fA works or what it’s for. The fact that simply copying Duo to a new, unauthenticated device doesn’t immediately provide access to your work accounts is a *PRO*, not a con — it means the Authenticator is doing its job to prevent unauthorized logins! Thank you for writing a quality 2fA app that is stable, robust, and easy to use..Version: 3.55.0

Use at your own riskSo I used duo mobile for my Instagram and what ended up happening I forgot my password and when I went to my duo mobile app it had my account disabled because I had received a new phone and when I was trying to login on a computer it took me a second to realize I never made an account on my computer so when I did my device wasn’t on the account I had just created and I wasn’t able to get into my Instagram account at all. Luckily I still had my possession of my old phone that I used and was able to get into my account again just a heads up duo mobile I hope you have this specific problem fixed of when you receive a new phone other then this story it’s a good app.Version: 3.54.0

Nice and easyPretty straightforward and works to a T. Anyone who wrote a 1 star review are just people who create problems for themselves. Get this, one guy says it was duos problem because his child and him weren’t able to effectively communicate when to use the 2 factor authentication. Another guy, said it was such an inconvenience that the accept and decline buttons were placed at the bottom of the screen. Like it’s 2 factor authentication, why does it matter that the button position isn't in the optimal space? It literally takes 2 seconds to do this but apparently it’s such a hassle. Nice and easy process.Version: 3.37.0

Reliable two factor authenticationWe've used DUO for several years for two factor authentication. It's secure and reliable. It definitely gets the job done. The app isn't too bad, but could use a little more polish. Namely, I wish the buttons fir approving or disproving a log on attempt were positioned a little higher and made a touch smaller in the app to make one hand use easier. The buttons are large, going to the screens edge. I have accidentally hit the button before when picking up my phone where the palm of my hand touched the edge of the screen in just such a way that it registered as a click granting approval. Luckily, it was me trying to log in..Version: 3.35.0

Great Authenticator App! Don’t mind the harsh reviews.To be truly honest, this app is a wonderful authenticator. The interface is incredibly user-friendly and allows you to clearly identify the account you want to use (through the website’s picture/ logo). If you have used other authenticator apps in the past, setting up a manual account is the exact same process. Having a host set up MFA, such as a college, is an even easier setup. I use this for most of my online accounts and Duo Mobile has been quick, easy and efficient. I flat out love it. Keep up the great work Duo!.Version: 3.34.0

One of the most convenient 2 factor authentication appsWe were told to use this app for 2 factor authentication by my university. I checked the reviews and saw a lot of very poor reviews and kind of went “oh no.” These reviews as far as I can tell now are mostly just people who were also required to use the app, and had never used two factor authentication before. The app has been bug free for me and has the most convenient approach I have seen. They are complaining about two factor authentication as a system and being required to use it, not how well the app functions..Version: 3.28.0

The person who wrote fix it is wrongWhoever wrote the fix-it duo long long article about why they couldn’t get in the app they did exactly what it supposed to do. stupid people don’t realize what is supposed to do but the whole point of it is preventing people from using a second device to access your account. so if you have your account on a phone you can’t just grab another phone and try to access it. IT DID ITS JOB PERFECTLY! it did it’s job that’s what you wanted it to do. Change the stars to five stars not one star.Version: 3.55.0

No more ex gf dramaSince everyone is complaining about 2FA itself rather than the app functionality, I’ll add my note on why I’m glad my school integrated 2FA... My ex-girlfriend constantly logs into any account she can get access to. She uses different devices to sneak her way and she guesses or knows most of my passwords. I’ve had to change passwords (and then immediately forget them) because she’s always logging into my accounts without my knowledge. Finally some peace of mind knowing she can’t do anything weird with my most important account. Thanks, Duo!.Version: 3.35.0

Perfectly acceptable but nothing specialSo many Authenticator apps in the store but they’re all basically the same. Nice design but like all the other apps it’s cumbersome when it comes to having a lot of accounts. Would like to see an app that gives me options to sync or save backups... most of all I’d like to be able to organize accounts into folders or categories. I have about 20 personal sites, 6 work accounts and 3 or 4 sites for accounts that I manage for clients. Across these groups I have multiple GitHub, gmail, okta, and other accounts and the only way to keep them separate is use multiple apps..Version: 3.43.0

Can’t see why the poor ratingsThe only reason I can possibly see this app getting a poor rating is that the 2FA infrastructure wasn’t setup properly. As a 48-year IT Professional, I had no issues whatsoever in setting this app up for employees of our company as well as our customers. The “Push Notification” is one of its strong points, while still providing 2FA via 6-digit codes like apps such a Microsoft or Google Authenticators. Don’t rate this app poorly because your IT department didn’t set it up properly..Version: 4.9.0

Could be betterI recently started having to use this for school and it’s a major inconvenience, but that isn’t all the developers’ fault. I really think they should add some kind of “trusted device” feature that would allow users to have one computer that you wouldn’t have to go through two-factor authentication every single time, but maybe just the first of every month. It’s annoying not being able to check my grades quickly or look at an assignment quickly on my own computer. I hate that I have to use this but the developers could make the experience less painful.Version: 3.33.2

It’s not the appThis app works great, it has worked flawlessly since I started using it a couple of months ago. All the one star reviews are about issues with using 2 factor authentication, not with this app. If you don’t back up your phone to iCloud, that’s not this app’s fault. If you delete this app thinking magically 2FA is going to be disabled, that’s not this app’s fault. If you are not the owner of the account and want to get into the account on the owner’s behalf and have not requested a second device, that’s not this app’s fault..Version: 3.35.0

People that don’t understand techOk, this app is meant to be used as a component to a larger security system. It works fine and does not lock up phones and other things people are writing about. If you load it, you will not lose your data or be compromised. I speak from a tech perspective and it’s not meant as a criticism of those non tech types. Please talk to your tech support if you are having issues loading or using the app. Don’t be offended but it’s often user error..Version: 4.14.0

Simple and EffectiveIt seems most negative reviews are blaming the wrong players. Duo facilitates the 2Fa but is not the company that is mandating it nor are they the ones controlling which features and elements you have access to. If you’ve used literally *any* other 2Fa platform you will see Duo is by far the best in the market. Simple and effective. Time necessary to log in is reduced with their quick push to phone and simple single button approval. The watch app works flawlessly. I have not had a single issue with Duo..Version: 3.37.0

Works GreatA lot of the negative reviews are from whiny students who don’t understand the importance of security. There’s nothing wrong with the app, it works great..Version: 3.33.1

About the negative reviewsThese random comments on here by people that have no idea what they're talking about is annoying to say the least. In the age of countless passwords and even more data breaches perhaps schools need to add identity security to their curriculum 🤷🏾‍♂️.Version: 3.42.0

IrrelevantThere are a lot of irrelevant comments with regards to why needing an app to do two factor authentication. This app does what it needs to do and it’s good at it. The rest is noise.Version: 3.40.0

Disregard negative reviews - AMAZING APPThe low reviews seem to be students complaining that they are forced to use this app. This is by far the best 2FA app out there. The rest feel archaic in comparison :).Version: 3.36.0

Love itUseful and keeps my accounts secure. Does what it asks. Don’t know why there are so many bad reviews. UI is nice too..Version: 4.15.0

RefreshIt's a bit a annoying to have to reopen the app if I sent a push after opening the app. I remember in the past we can just scroll down to refresh the app but not anymore. Please bring it back!!.Version: 4.14.0

Activation codeWhere do i get the activation code ?.Version: 4.10.0

Works bestWorks better than using your phone number to secure your account. Love it!.Version: 4.9.0

It worksIt works fine, and I like the update!.Version: 4.8.0

Works at the same speed as steam authenticationWorks nice, kinda wish they would send u a notification of the code so it’s easier but it iz what it Iz.Version: 4.8.0

Works as intendedI use this app to authenticate for UCD. It has worked perfectly since day 1. Have not experienced any issues whatsoever. Although I understand why some may feel bitter towards the idea of downloading an app for 2FA as opposed to getting an SMS code sent to their phone number, it’s important to note that it’s irrelevant to the performance of the app and unfair to the developers who have worked hard to put this together..Version: 4.7.0

No glitches or problemsThere has been lots of older reviews (years ago) describing their bad experiences with this app. However, more recently it seems they have fixed the glitches and technical issues. All works well!.Version: 4.2.0

Does what it is supposed toI use this app for work, it does exactly what it is supposed to do. I haven't run into a single issue. Some might find it cumbersome to have to use an app to authenticate but that's up to the organization. This has worked great..Version: 4.0.0

App works fine, ignore 1 star reviews (for the most part)Have been using it for months now. Everything works seamlessly. A very well executed 2FA app..Version: 3.60.0

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