Comparison

Authenticator Duo vs Two Factor Authenticator & OTP

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

Head to head
About

Authenticator Duo

This app provides robust two-factor authentication to secure your online accounts. It offers easy setup, management, and backup/sync features using advanced security protocols for peace of mind.

Highlights
  • Two-Factor Authentication (2FA)
  • Easy Setup & Management
  • Backup & Sync
  • Advanced Security Protocols
  • User-Friendly Interface
Features
Read full description

Our app is the ideal solution to meet all your online security needs. Designed to provide a secure and reliable method for protecting your online accounts, our app utilizes advanced security protocols to generate unique codes that only you can use to access your accounts. This ensures that your personal information remains safe and secure at all times. Key Features: 1. Two-Factor Authentication (2FA): Enhance the security of your accounts with robust 2FA protection. 2. Easy Setup & Management: Quickly and easily set up and manage your accounts with our user-friendly interface. 3. Backup & Sync: Securely back up and sync your accounts to ensure you never lose access. Subscription Information: The app offers an auto-renewable subscription to grant you unlimited access to all functionalities - Payment: Payment will be charged to your iTunes Account upon confirmation of purchase. - Auto-Renewal: Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. - Renewal Charges: Your account will be charged for renewal within 24 hours before the end of the current period, with the cost of the renewal identified at that time. - Managing Subscriptions: Subscriptions can be managed by the user, and auto-renewal can be turned off by going to the user's Account Settings after purchase. - Terms of Use: https://docs.google.com/document/d/1HSWlLDpG0k67CEf_B74MTBcWZYaITqbciZDBHXpvt6o/edit - Privacy Policy: https://docs.google.com/document/d/1XDk0Q5KkCGnZBHUk6ZiSiZReReh34yWa3qrlmIsE_VE/edit Secure your online presence with our app and enjoy peace of mind knowing your accounts are protected. Download now and take the first step towards enhanced online security.

About

Two Factor Authenticator & OTP

Enhance your online security with robust two-factor and multi-factor authentication. This app generates secure one-time passwords and supports multiple protocols, with features like backup, restore, and encrypted data storage for peace of mind.

Highlights
  • Two-Factor Authentication (2FA)
  • Multi-Factor Authentication (MFA)
  • TOTP and HOTP Support
  • Backup & Restore
  • User-Friendly Design
  • Encrypted Data Storage
Features
Read full description

Our app provides robust two-factor authentication (2FA) and multi-factor authentication (MFA), ensuring that your sensitive information stays protected. Features: - Two-Factor Authentication (2FA): Boost your account security by adding an additional layer of protection beyond just your password. Our app generates secure, unique one-time passwords (OTPs) that are required along with your regular login credentials. - Multi-Factor Authentication (MFA): For even more security, our app supports MFA, adding another step in the authentication process. This offers multiple authentication methods for a stronger defense. - TOTP and HOTP Support: Our app supports both Time-Based One-Time Password (TOTP) and HMAC-Based One-Time Password (HOTP) protocols, allowing you to secure a wide variety of services and platforms. - Backup & Restore: Ensure your authentication data is never lost with our backup and restore feature. Securely save your information and retrieve it when necessary. - User-Friendly Design: Our app features a simple and intuitive interface, making it easy to configure and manage your 2FA and MFA settings, regardless of your technical expertise. - Encrypted Data Storage: All sensitive information is protected with advanced encryption, guaranteeing that your data remains secure from unauthorized access. Experience top-level online security by downloading our app today and take control of your digital safety. Subscription Details: - Payment is processed through your iTunes Account upon purchase confirmation. - Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. - Your account will be charged for renewal within 24 hours before the end of the current period, with the renewal cost clearly indicated. - Users can manage their subscriptions and turn off auto-renewal in Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited upon subscription purchase, where applicable. Privacy Policy: https://docs.google.com/document/d/1qchJFVCafIgpbWZsI3U4yZCGDy2kn_rZZz_taiKyGS4/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1zF-zOvq6RX_a5igabXmqJYkg8I9eVbZiBuFG13X_zyI/edit?usp=sharing

Screenshots

Authenticator Duo4 screens
Two Factor Authenticator & OTP4 screens

Verdict

The call

The clearest difference is rating: Two Factor Authenticator & OTP at 4.5 against Authenticator Duo's 3.9. Two Factor Authenticator & OTP also leads on ratings volume (133 vs 7). Authenticator Duo's advantage is update cadence (daily vs every 2 days). On price, ads, in-app purchases and monetization model 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. Authenticator Duo sells 3 in-app purchases, starting at $6.99 per 7 days and Two Factor Authenticator & OTP sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Two Factor Authenticator & OTP holds the better App Store score, 4.5 against 3.9. That said, the two scores are not equally well evidenced: Two Factor Authenticator & OTP has 133 ratings behind it against 7, so its average is the more settled of the two.

UpkeepUpdate frequency

Authenticator Duo ships an update daily, Two Factor Authenticator & OTP every 2 days. The most recent releases landed on September 11, 2026 and August 26, 2026 respectively.

Scorecard3 real differences · 7 level
Authenticator Duo versus Two Factor Authenticator & OTP: the parameters behind the verdict, then further details
ParameterAuthenticator DuoTwo Factor Authenticator & OTP
PriceFreeFree
Rating3.9 (7 ratings)4.5 (133 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings7133 — better
Update frequencyDaily — betterEvery 2 days
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionSubscription
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size16 MB26 MB
Age rating4+4+
DeveloperShawna MargieHENRY FOSTER

Customer experience

Authenticator Duo

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%

Two Factor Authenticator & OTP

All ratings133 ratings
Positive86.5%
Neutral4.5%
Negative9.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Authenticator Duo

Subscriptions3
  • Weekly Pro + 3 Days Trial3 Days trial$6.997 Days
  • Monthly Pro$19.991 Month
  • Annual Pro$49.991 Year
2 purchases

Two Factor Authenticator & OTP

Subscriptions2
  • Free Trial PRO Access3 Days trial$6.997 Days
  • Weekly PRO Access$6.997 Days

Questions

Is Authenticator Duo free?
Authenticator Duo is free to download, with in-app purchases available.
Is Two Factor Authenticator & OTP free?
Two Factor Authenticator & OTP is free to download, with in-app purchases available.
Which has better reviews, Authenticator Duo or Two Factor Authenticator & OTP?
Two Factor Authenticator & OTP is rated higher. Authenticator Duo averages 3.9 out of 5 from 7 ratings, while Two Factor Authenticator & OTP averages 4.5 from 133 ratings.
Do Authenticator Duo or Two Factor Authenticator & OTP have ads?
Neither Authenticator Duo nor Two Factor Authenticator & OTP shows ads.
Which is updated more often, Authenticator Duo or Two Factor Authenticator & OTP?
Authenticator Duo ships an update daily, and Two Factor Authenticator & OTP every 2 days. Most recently, Authenticator Duo was updated on September 11, 2026 and Two Factor Authenticator & OTP on August 26, 2026.

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