Duo Mobile vs Authenticator App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Duo Mobile
Enhance login security with two-factor authentication. Generate passcodes or use one-tap push notifications for seamless access to your accounts. Manage authentication for multiple applications and web services.
- Two-factor authentication
- Passcode generation
- Push notification authentication
- One-tap login
- Manage multiple accounts
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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.
Authenticator App
Enhance digital security with a multi-factor authenticator app. It provides an extra layer of protection for sensitive accounts and information, working offline for reliable access. Protect email, social media, financial accounts, and more with this user-friendly solution.
- Multi-factor authentication
- Offline 2FA code generation
- Wide service integration
- User-friendly interface
- Enhanced account protection
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Enhance the security of your digital life with the Multi-factor Authenticator. Our app is designed to provide you with an additional layer of protection, ensuring that your sensitive accounts and information remain safe from unauthorized access. Whether you're a business professional, a tech-savvy individual, or simply someone who values their online privacy, Multi-factor Authenticator is your trusted companion in the world of cybersecurity. Protect your email, social media, financial accounts, and more. multi-factor Authenticator is your reliable, user-friendly solution, making it effortless to implement two-factor authentication across various online platforms. - Multi-factor Authenticator effortlessly integrates with a wide range of online services and accounts. Whether you're securing your email, social media, or cloud storage, our app supports popular platforms and is continually expanding its compatibility - The app's intuitive and user-friendly interface makes it easy for both tech-savvy individuals and newcomers to 2FA. No technical expertise is required to set up and use this powerful security tool - Don't rely on an internet connection for your 2FA codes. Multi-factor Authenticator works offline, ensuring your security is never compromised, even in challenging network conditions Subscription terms: - Payment will be charged to your Apple ID account at the confirmation of purchase - Your account will be charged for renewal within 24 hours prior to the end of the current period - You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase - After the free trial period, if offered, the subscription automatically renews with the price and duration given above unless it is canceled at least 24 hours before the end of the current period - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Privacy Policy: https://apperture.neocities.org/authenticator/apple/privacy Terms of Use: https://apperture.neocities.org/authenticator/apple/terms
Screenshots
Verdict
The clearest difference is review sentiment: Duo Mobile at 68% against Authenticator App's 0%. Duo Mobile also leads on in-app purchases (none vs 4) and rating (4.9 vs 4.5). Authenticator App's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Authenticator App sells 4 in-app purchases, starting at $4.99 per 7 days. Duo Mobile asks for nothing beyond the download.
Duo Mobile holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Duo Mobile has 2.3M ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 68% of Duo Mobile's written reviews are positive against 0% of Authenticator App's.
Duo Mobile ships an update fortnightly, Authenticator App monthly. The most recent releases landed on September 25, 2026 and August 18, 2026 respectively.
| Parameter | Duo Mobile | Authenticator App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (2.3M ratings) — better | 4.5 (24 ratings) |
| Positive reviews | 68.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 2.3M — better | 24 |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | #20 — better | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 46 MB | 101 MB |
| Age rating | 4+ | 4+ |
| Developer | Duo Security LLC | Apperture Limited |
Customer experience
Duo Mobile
Authenticator App
Bugs and requests
Duo Mobile
Reported bugs
5 issues- Notifications not working as expected
- App not recognizing new devices after replacement
- Authentication process getting stuck or timing out
- Inability to recover accounts after device changes
- Unexpected language changes in the app
Requested features
5 requests- Allow more control and customization for users
- Improve integration with other authentication methods
- Provide better support and guidance for new users
- Add an option to remember trusted devices
- Streamline the authentication flow for faster access
Authenticator App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Duo Mobile
No in-app purchases
Authenticator App
- Pro Version$4.997 Days
- Pro Version3 Days trial$7.997 Days
- Pro Version$14.991 Month
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- Pro Version7 Days trial$39.991 Year
Questions
Is Duo Mobile free?
Is Authenticator App free?
Which has better reviews, Duo Mobile or Authenticator App?
Do Duo Mobile or Authenticator App have ads?
Which is updated more often, Duo Mobile or Authenticator App?
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