Comparison

Duo Authenticator vs Authenticator App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Duo Authenticator

Enhance your online security with this multi-factor authentication app. It provides an extra layer of protection for your accounts by generating time-sensitive codes, even when offline. Secure your sensitive information with ease and peace of mind.

Highlights
  • Quick and easy setup
  • Wide service compatibility
  • Time-sensitive security codes
  • Offline code generation
  • End-to-end encryption
  • Security code protection
Features
Read full description

As cyber threats continue to become more sophisticated, it's essential to use strong and reliable security measures to protect your online accounts. That's where MFA Authenticator comes in – a mobile app designed to provide an extra layer of security to your online accounts, making it harder for hackers to gain access to your sensitive information. One of the most significant advantages of using MFA Authenticator is its ease of use. With this app, you can set up two-factor authentication (2FA) quickly, making it easy to secure your accounts. You can use MFA Authenticator with a wide range of services, including Google, Facebook, Dropbox, and many more. The app generates unique, time-sensitive codes that you can use to verify your identity when logging in to your accounts, ensuring that only you can access your information. Another great feature of MFA Authenticator is its ability to work offline. Unlike some other 2FA solutions that rely on an internet connection, MFA Authenticator can generate codes even when your phone isn't connected to the internet. This feature is particularly useful when traveling or in areas with a weak or non-existent internet connection. MFA Authenticator is also designed to be highly secure, with a range of measures in place to keep your information safe. For example, the app uses end-to-end encryption to ensure that your codes are only visible to you. Additionally, the app has a built-in security code that you need to enter when setting up the app, ensuring that only you can access your account. • Quick and easy to set up • Compatible with a wide range of services • Generates unique, time-sensitive codes for added security • Works offline, making it ideal for travel • Uses end-to-end encryption to keep your information safe • Requires a security code for added protection. Overall, MFA Authenticator is an excellent app that can help you stay safe and secure online. With its ease of use, offline functionality, and strong security features, you can rest assured that your information is well-protected. So why not give it a try and take your online security to the next level? Terms of service: https://www.code4flutter.in/terms-mfauthenticator

About

Authenticator App

Secure your online accounts with this 2FA OTP manager. It offers easy account setup via QR code scanning or manual entry, and enhances security with biometric authentication. All one-time passwords are stored locally on your device for increased protection.

Highlights
  • 2FA OTP management
  • QR code scanning for account setup
  • Manual code entry
  • Biometric unlock (fingerprint/face recognition)
  • Local storage of OTPs
  • Supports numerous platforms
Read full description

Introducing Authenticator - The Ultimate 2FA OTP Manager. Unmatched protection in just a tap! Authenticator - 2FA App is a highly recommended free 2FA app used for securing your accounts on different platforms such as Instagram, Google, Facebook, Github, Twitter, X, Binance, Salceforce, and many more. Scan QR Code: Effortlessly add your accounts by scanning QR codes. No more manual entry or hassle. Manual Code Entry: Easily enter authentication codes manually for added flexibility. Biometrics Integration: Unlock the app effortlessly with your fingerprint or face recognition for enhanced security. No Password Stored: The Authenticator application generates Time-based One-time Passwords (TOTP), stored on the user's phone without internet access. This solution dramatically increases login security. For a safe and secure experience try the application NOW! Privacy Policy: https://sites.google.com/view/authenticator-policy/privacy-policy Terms of Use: https://sites.google.com/view/authenticator-policy/terms-of-use

Screenshots

Duo Authenticator4 screens
Authenticator App4 screens

Verdict

The call

The clearest difference is ads: Authenticator App at none against Duo Authenticator's shown. Authenticator App also leads on device support (4 vs 1) and ratings volume (86 vs 24). Duo Authenticator's advantage is review sentiment (50% vs 29%). On price, rating, update cadence and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Duo Authenticator sells 3 in-app purchases, starting at $3.99 per 7 days and Authenticator App sells 6 in-app purchases, starting at $4.19 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Authenticator App holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 24 and 86 respectively. Written reviews complicate that: 50% of Duo Authenticator's written reviews are positive against 29% of Authenticator App's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Duo Authenticator ships an update monthly, Authenticator App every 2 weeks. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

Scorecard4 real differences · 6 level
Duo Authenticator versus Authenticator App: the parameters behind the verdict, then further details
ParameterDuo AuthenticatorAuthenticator App
PriceFreeFree
Rating4.2 (24 ratings)4.4 (86 ratings) — better
Positive reviews50.0% of reviews — better28.6% of reviews
Number of ratings2486 — better
Update frequencyMonthlyEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod, Mac — better
Requires iOS16.615.6 — better
Further details — not scored
Size60 MB106 MB
Age rating4+4+
DeveloperPetr PolasekTatsat Brahmbhatt

Customer experience

Duo Authenticator

All ratings24 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Authenticator App

All ratings86 ratings
Positive83.7%
Neutral2.3%
Negative14.0%
Written reviews7 reviews
Positive28.6%
Neutral0.0%
Negative71.4%

In-app purchases

3 purchases

Duo Authenticator

Subscriptions3
  • Premium 1 Week$3.997 Days
  • Premium 1 Month1 Month trial$9.991 Month
  • Premium 1 Year3 Days trial$29.991 Year
6 purchases

Authenticator App

Subscriptions4
  • Weekly$4.197 Days
  • Weekly$9.997 Days
  • Yearly$29.491 Year
Show 1 more
  • Yearly$53.901 Year
One-time2
  • Lifetime$59.99
  • Lifetime$79.99

Questions

Is Duo Authenticator free?
Duo Authenticator is free to download, with in-app purchases available.
Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Which has better reviews, Duo Authenticator or Authenticator App?
Authenticator App is rated higher. Duo Authenticator averages 4.2 out of 5 from 24 ratings, while Authenticator App averages 4.4 from 86 ratings.
Do Duo Authenticator or Authenticator App have ads?
Duo Authenticator shows ads; Authenticator App does not.
Which is updated more often, Duo Authenticator or Authenticator App?
Duo Authenticator ships an update monthly, and Authenticator App every 2 weeks. Most recently, Duo Authenticator was updated on October 9, 2026 and Authenticator App on October 2, 2026.

Other comparisons