Comparison

Authenticator・2FA・MFA・OTP vs Authenticator Duo

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

Head to head
About

Authenticator・2FA・MFA・OTP

Secure your online accounts with two-factor authentication. This app generates time-based one-time passcodes for an extra layer of security beyond your password. It offers fast setup via QR codes or manual entry and cross-platform syncing.

Highlights
  • Two-factor authentication (2FA)
  • Time-based one-time passcodes (TOTP)
  • QR code scanning for setup
  • Manual key entry
  • Cross-platform backup and sync
Features
Read full description

2FA Authenticator is a reliable and easy-to-use app designed to protect your online accounts with two-factor authentication (2FA). Whether you're securing your email, social media, or work accounts, our app generates time-based one-time passcodes (TOTP) that add an extra layer of security beyond your password. Key Features: • Fast and Easy Setup: Scan QR codes or enter keys manually to start protecting your accounts instantly. • Cross-Platform Support: Backup and sync your 2FA codes across multiple devices securely. - To access all of the app's features, you will need to purchase a subscription. - Payment will be charged to iTunes Account at confirmation of purchase. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. - Subscription will be automatically renewed. Auto-renew can be turned off at least 24 hours before the end of the current period. Terms of Use & Privacy Policy: https://www.icloud.com/pages/07cX-sKgmoLUgoCt3LrzaKOTA#Terms_of_Use https://www.icloud.com/pages/093wwetSw5nSQ-uUkWlJqct6g#Privacy_Policy

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

Screenshots

Authenticator・2FA・MFA・OTP4 screens
Authenticator Duo4 screens

Verdict

The call

The clearest difference is update cadence: Authenticator Duo at every 2 days against Authenticator・2FA・MFA・OTP's every 2 months. Authenticator Duo also leads on rating (5.0 vs 4.6) and iOS requirement (15.0 vs 17.0). Authenticator・2FA・MFA・OTP's advantage is ratings volume (80 vs 14). 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・2FA・MFA・OTP sells 12 in-app purchases, starting at $4.99 per 7 days and Authenticator Duo 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 4.6. That said, the two scores are not equally well evidenced: Authenticator・2FA・MFA・OTP has 80 ratings behind it against 14, so its average is the more settled of the two.

UpkeepUpdate frequency

Authenticator・2FA・MFA・OTP ships an update every 2 months, Authenticator Duo every 2 days. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.

Scorecard4 real differences · 6 level
Authenticator・2FA・MFA・OTP versus Authenticator Duo: the parameters behind the verdict, then further details
ParameterAuthenticator・2FA・MFA・OTPAuthenticator Duo
PriceFreeFree
Rating4.6 (80 ratings)5.0 (14 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings80 — better14
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionSubscription
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size73 MB20 MB
Age rating4+17+
DeveloperAudio LabsQuentin Powell

Customer experience

Authenticator・2FA・MFA・OTP

All ratings80 ratings
Positive90.0%
Neutral2.5%
Negative7.5%

Authenticator Duo

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

In-app purchases

12 purchases

Authenticator・2FA・MFA・OTP

Subscriptions10
  • Authenticator: Access Protection3 Days trial$4.997 Days
  • 2FA Authy Authenticator, MFA3 Days trial$5.997 Days
  • Security: Authenticator, Authy$5.997 Days
Show 7 more
  • Security: Authenticator, Authy$7.997 Days
  • Security Authenticator: MFA3 Days trial$11.997 Days
  • Security: Digital Authenticator3 Days trial$19.991 Month
  • 2FA Authy Authenticator, MFA$19.991 Month
  • Authenticator: Access Protection3 Days trial$29.991 Month
  • Security: Authenticator App$39.991 Year
  • Security Authenticator: MFA3 Days trial$49.991 Year
One-time2
  • 2FA$9.99
  • Authenticator$9.99
2 purchases

Authenticator Duo

Subscriptions2
  • Weekly subscription with trial3 Days trial$6.997 Days
  • Weekly subscription$6.997 Days

Questions

Is Authenticator・2FA・MFA・OTP free?
Authenticator・2FA・MFA・OTP is free to download, with in-app purchases available.
Is Authenticator Duo free?
Authenticator Duo is free to download, with in-app purchases available.
Which has better reviews, Authenticator・2FA・MFA・OTP or Authenticator Duo?
Authenticator Duo is rated higher. Authenticator・2FA・MFA・OTP averages 4.6 out of 5 from 80 ratings, while Authenticator Duo averages 5.0 from 14 ratings.
Do Authenticator・2FA・MFA・OTP or Authenticator Duo have ads?
Neither Authenticator・2FA・MFA・OTP nor Authenticator Duo shows ads.
Which is updated more often, Authenticator・2FA・MFA・OTP or Authenticator Duo?
Authenticator・2FA・MFA・OTP ships an update every 2 months, and Authenticator Duo every 2 days. Most recently, Authenticator・2FA・MFA・OTP was updated on September 18, 2026 and Authenticator Duo on June 1, 2026.

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