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

This app provides a secure and user-friendly way to add an extra layer of protection to your online accounts. It generates one-time codes for two-factor authentication and offers cloud backup to prevent data loss. Protect your accounts from hacking and phishing with this efficient solution.

Highlights
  • Two-factor authentication (2FA) code generation
  • Cloud backup and sync across devices
  • User-friendly interface with 2FA guides
  • Offline code generation
  • Supports thousands of online services
  • Protection against hacking and phishing
Features
Read full description

SafeAuth Authenticator is a perfect two-factor authentication (2FA) solution for all your online accounts. Very easy to use, 100% secure, with cloud backup to prevent account loss. It adds an extra layer of protection for your personal and work accounts by generating one-time 6-digit codes for 2-step verification. Its user-friendly design and detailed 2FA guides make it easy for anyone to set up and use. Give this free and secure authenticator app a try! Protect your account in just 1 minute with simple and efficient two-factor authentication. WHY CHOOSE SAFEAUTH ►Enhance Security SafeAuth secures all your online accounts on your device by 2-step verification. It generates a unique time-based one-time password (TOTP) for each login, ensuring that only authorized users can access your account. ►Easy-to-use & Efficient Adding an account to SafeAuth has never been easier thanks to the detailed 2FA guides. You can scan 2FA QR codes or enter private keys to add accounts. It even supports offline code generation, streamlining the authentication process. ►Protect Your Account SafeAuth provides reliable protection against unauthorized access, hacking, phishing attacks, and other security threats. Even if someone has your username and password, he/she cannot access your account without the 2FA code generated by SafeAuth on your device. ►Back up and Sync Across Devices You can log in with your Google account to back up all account data to the cloud. This means that when changing devices, you only need to log in to easily sync all data, without worrying about data loss or the hassle of re-binding accounts. ►Available for All Services SafeAuth's 2FA tokens are universally accepted across a wide range of popular online services such as Google, Instagram, Facebook, Twitter, LinkedIn, Dropbox, Snapchat, Github, Tesla, Coinbase and thousands of others, and can also secure your Bitcoin wallet. Look no further than Authenticator App - SafeAuth, the best 2FA solution you can trust! Please feel free to contact us at support@safeauth.services if you have any questions or feedback. We'd be happy to hear from you! Payment and Subscription - Payment will be charged to your iTunes account upon purchase confirmation. - The subscription will automatically renew unless you disable auto-renew at least 24 hours before the end of the current billing cycle. - You can manage your subscription and turn off auto-renewal by accessing Account Settings after purchase. - Your account will be charged for renewal up to 24 hours before the current period ends. - Any unused portion of the free trial will be forfeited upon purchasing a subscription. Privacy Policy: https://mauther.safeauth.services/privacypolicy.html Terms of Use: https://mauther.safeauth.services/terms.html

Screenshots

Duo Authenticator4 screens
Authenticator App4 screens

Verdict

The call

The clearest difference is rating: Authenticator App at 5.0 against Duo Authenticator's 4.2. Authenticator App also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.6). Duo Authenticator's advantage is update cadence (monthly vs every 10 months). On price, review sentiment, ratings volume 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 3 in-app purchases, starting at $9.99 per month. 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, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 24 and 9 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

UpkeepUpdate frequency

Duo Authenticator ships an update monthly, Authenticator App every 10 months. The most recent releases landed on October 9, 2026 and September 26, 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)5.0 (9 ratings) — better
Positive reviews50.0% of reviews50.0% of reviews
Number of ratings24 — better9
Update frequencyMonthly — betterEvery 10 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPod — better
Requires iOS16.613.0 — better
Further details — not scored
Size60 MB42 MB
Age rating4+4+
DeveloperPetr PolasekSafeAuth Services.

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 ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

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
3 purchases

Authenticator App

Subscriptions2
  • Monthly Premium$9.991 Month
  • Yearly Premium3 Days trial$29.991 Year
One-time1
  • Lifetime Membership$59.99

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 5.0 from 9 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 10 months. Most recently, Duo Authenticator was updated on October 9, 2026 and Authenticator App on September 26, 2026.

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