Comparison

Duo Authenticator vs 2FA Authenticator

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

2FA Authenticator

Enhance your online account security with this tool that generates two-factor authentication (2FA) codes. It supports a wide range of services and offers effortless setup with a user-friendly interface. Secure your digital identity and gain peace of mind.

Highlights
  • Generate two-factor authentication codes
  • Support for a wide range of services
  • Effortless setup process
  • QR code scanning for quick setup
  • Intuitive and user-friendly interface
  • Customizable icons for codes
Features
Read full description

Enhance the security of your online accounts with 2FA Authenticator, the trusted companion for safeguarding your digital identity. Seamlessly add two-factor authentication (2FA) codes to your favorite services, providing an extra layer of protection against unauthorized access. 2FA Authenticator supports a wide range of popular platforms, making it a versatile solution for strengthening your online defenses. Simplify the process of securing your accounts and enjoy peace of mind in the digital realm. Features: • Fortify Your Accounts: Add an extra layer of security to your online presence with two-factor authentication (2FA) codes. • Wide Service Support: 2FA Authenticator is compatible with a multitude of popular services, ensuring comprehensive coverage for your digital life. • Effortless Setup: Simplify the 2FA setup process with user-friendly features that make securing your accounts a breeze. • QR Code Scanning: Quickly grant access to your phone's camera to effortlessly scan QR codes, streamlining the setup of 2FA for supported services. • User-Friendly Interface: Enjoy an intuitive and visually pleasing interface that makes navigating and managing your 2FA codes a delightful experience. • Custom Icons: Add custom or system icons to any of your 2FA codes to better recognize them on the list with many codes. The application automatically recognizes the service icon. Download 2FA Authenticator now and fortify your online security effortlessly.

Screenshots

Duo Authenticator4 screens
2FA Authenticator4 screens

Verdict

The call

The clearest difference is rating: 2FA Authenticator at 4.5 against Duo Authenticator's 4.2. 2FA Authenticator also leads on review sentiment (67% vs 50%) and ratings volume (103 vs 24). On price, update cadence, ads 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 2FA Authenticator sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

2FA Authenticator holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 24 and 103 respectively. Written reviews point the same way: 50% of Duo Authenticator's written reviews are positive against 67% of 2FA Authenticator's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 6 level
Duo Authenticator versus 2FA Authenticator: the parameters behind the verdict, then further details
ParameterDuo Authenticator2FA Authenticator
PriceFreeFree
Rating4.2 (24 ratings)4.5 (103 ratings) — better
Positive reviews50.0% of reviews66.7% of reviews — better
Number of ratings24103 — better
Update frequencyMonthlyMonthly
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPod — better
Requires iOS16.614.3 — better
Further details — not scored
Size60 MB35 MB
Age rating4+4+
DeveloperPetr PolasekAPPSTER LIMITED

Customer experience

Duo Authenticator

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

2FA Authenticator

All ratings103 ratings
Positive88.3%
Neutral1.9%
Negative9.7%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

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
4 purchases

2FA Authenticator

Subscriptions4
  • Weekly plan$4.997 Days
  • Monthly plan$9.991 Month
  • Yearly plan with free trial7 Days trial$39.991 Year
Show 1 more
  • Yearly plan with weekly trial7 Days trial$89.991 Year

Questions

Is Duo Authenticator free?
Duo Authenticator is free to download, with in-app purchases available.
Is 2FA Authenticator free?
2FA Authenticator is free to download, with in-app purchases available.
Which has better reviews, Duo Authenticator or 2FA Authenticator?
2FA Authenticator is rated higher. Duo Authenticator averages 4.2 out of 5 from 24 ratings, while 2FA Authenticator averages 4.5 from 103 ratings.
Do Duo Authenticator or 2FA Authenticator have ads?
Both Duo Authenticator and 2FA Authenticator show ads.
Which is updated more often, Duo Authenticator or 2FA Authenticator?
Duo Authenticator ships an update monthly, and 2FA Authenticator monthly. Most recently, Duo Authenticator was updated on October 9, 2026 and 2FA Authenticator on October 5, 2026.

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