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

Secure your online accounts with this app that generates and stores two-factor authentication codes. It offers end-to-end encryption, Face ID/Touch ID access, and encrypted iCloud backups for easy restoration across devices. Operate securely offline and import existing tokens.

Highlights
  • Generate and store 2FA/MFA tokens
  • Scan QR codes or manually input codes
  • End-to-end encryption for all codes
  • Face ID & Touch ID access
  • Encrypted iCloud backups
  • Offline operation
  • Import existing tokens
Features
Read full description

Our app ensures the security of your online accounts. Use the Authenticator App to scan, generate, and store 2FA & MFA codes for various services. FEATURES: • Create and save secure two-factor and multi-factor (2FA & MFA) authentication tokens • Manually input codes or scan QR Codes • All codes are protected with end-to-end encryption • Access secured by Face ID & Touch ID • Encrypted backups on iCloud • Restore codes easily when changing or losing devices • Codes can be securely synced across your Apple devices • Operates offline without needing an internet connection • Import your existing tokens • Full compatibility with time-based one-time passwords (TOTP) • Compatible with many popular services SUBSCRIPTION TERMS: This app offers an auto-renewable subscription to grant you unlimited access to all functionalities as long as you subscribe. Charges will be made to the credit card associated with your iTunes Account at the time you confirm your initial subscription purchase. Subscriptions renew automatically unless canceled 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, and the renewal charge will be specified. You can manage your subscription and turn off auto-renewal by accessing your Account Settings after purchase. Any unused portion of a free trial, if available, will be forfeited when you subscribe. Questions or comments about the Service may be directed to us at the email address powellquentin473@gmail.com. TERMS & PRIVACY: https://docs.google.com/document/d/16AsjdDbjxSBUiw4_cSao1kq42qrO4Id-bU3NIc7n_sY/edit?usp=sharing https://docs.google.com/document/d/1iwI1-jVMpTBWgfoT4kY7z7O2bFxA9GCMWH6w9mhQxfk/edit?usp=sharing

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: Authenticator Duo at 5.0 against Two Factor Authenticator & OTP's 4.5. Two Factor Authenticator & OTP's advantage is ratings volume (133 vs 14). On price, review sentiment, update cadence and ads 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 2 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

Authenticator Duo holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Two Factor Authenticator & OTP has 133 ratings behind it against 14, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on June 1, 2026 and August 26, 2026 respectively.

Scorecard2 real differences · 8 level
Authenticator Duo versus Two Factor Authenticator & OTP: the parameters behind the verdict, then further details
ParameterAuthenticator DuoTwo Factor Authenticator & OTP
PriceFreeFree
Rating5.0 (14 ratings) — better4.5 (133 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings14133 — better
Update frequencyEvery 2 daysEvery 2 days
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionSubscription
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size20 MB26 MB
Age rating17+4+
DeveloperQuentin PowellHENRY FOSTER

Customer experience

Authenticator Duo

All ratings14 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

2 purchases

Authenticator Duo

Subscriptions2
  • Weekly subscription with trial3 Days trial$6.997 Days
  • Weekly subscription$6.997 Days
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?
Authenticator Duo is rated higher. Authenticator Duo averages 5.0 out of 5 from 14 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 every 2 days, and Two Factor Authenticator & OTP every 2 days. Most recently, Authenticator Duo was updated on June 1, 2026 and Two Factor Authenticator & OTP on August 26, 2026.

Other comparisons