Comparison

Authenticator App 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 App

This app generates secure two-factor authentication codes for your online accounts. It offers cloud backup, customization options, and offline token generation. Protect your accounts with an extra layer of security.

Highlights
  • Two-factor authentication token generation
  • Cloud backup and restore
  • Customizable token appearance
  • Offline token generation
  • Home screen widget
  • Support for popular services
Features
Read full description

goo authenticator app saves and creates secure two-factor authentication tokens for online accounts on your device. 2FA Auth App is a simple and free application for Two Factor Authentication (2FA). Authenticator app helps you protect your account from hackers by adding an additional layer of security. 2FA generates Time-based One-time Passwords (TOTP). With the 2FA Backup system, you can store all your keys in the cloud and access them when needed. If you lose or damage your phone, you simply install the goo Authenticator app on your new device to get access to your Keys. You can either use a QR Code or enter your secret key manually for your convenience. 2FAS Features: - Advanced TOTP: Get the next upcoming TOTP 30 Seconds in advance. - Customization: Change the color of the TOTP text and Background color. Change brand icons like aws, box, digital ocean, PayPal, etc. - Secure & Private All data stored in Authenticator is always encrypted, even when it's stored in iCloud to ensure that you are the only one who can access your data. - Export Auth Backup: In Authenticator, you require a password if you lose your device or switch to a new one to export auth backup. - Widget: Access your 2FA codes even faster, directly from your Home Screen with the Authenticator widget. - Offline support: Authenticator generates secure tokens even offline, allowing you to authenticate securely even when your device is in airplane mode. This solution dramatically increases login security. - Import TOTP: You can import all your tokens easily and securely from goo authenticator app at once. - All Popular Accounts: We support the most popular services, including Facebook, Binance, realestate, Microsoft, Doordash, Coinbase, Amazon, Gmail, Instagram, Roblox, and thousands of other providers. We also support 8-digit tokens. -Authorize with Passcode or Touch ID or Face ID Confirm your identity with the application using Touch ID, Face ID, or Passcode, and generate the one-time tokens required to log in to your online accounts.

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 App4 screens
Authenticator Duo4 screens

Verdict

The call

The clearest difference is rating: Authenticator Duo at 5.0 against Authenticator App's 3.4. Authenticator Duo also leads on update cadence (every 2 days vs every 4 days). Authenticator App's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and device support 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. Authenticator App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Authenticator Duo holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 5 and 14 respectively.

UpkeepUpdate frequency

Authenticator App ships an update every 4 days, Authenticator Duo every 2 days. The most recent releases landed on September 21, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
Authenticator App versus Authenticator Duo: the parameters behind the verdict, then further details
ParameterAuthenticator AppAuthenticator Duo
PriceFreeFree
Rating3.4 (5 ratings)5.0 (14 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings514 — better
Update frequencyEvery 4 daysEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationAd-supported — betterSubscription
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size59 MB20 MB
Age rating17+17+
DeveloperDarshan JasoliyaQuentin Powell

Customer experience

Authenticator App

All ratings5 ratings
Positive60.0%
Neutral0.0%
Negative40.0%

Authenticator Duo

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

In-app purchases

None

Authenticator App

No in-app purchases

2 purchases

Authenticator Duo

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

Questions

Is Authenticator App free?
Authenticator App is free to download, with no in-app purchases.
Is Authenticator Duo free?
Authenticator Duo is free to download, with in-app purchases available.
Which has better reviews, Authenticator App or Authenticator Duo?
Authenticator Duo is rated higher. Authenticator App averages 3.4 out of 5 from 5 ratings, while Authenticator Duo averages 5.0 from 14 ratings.
Do Authenticator App or Authenticator Duo have ads?
Neither Authenticator App nor Authenticator Duo shows ads.
Which is updated more often, Authenticator App or Authenticator Duo?
Authenticator App ships an update every 4 days, and Authenticator Duo every 2 days. Most recently, Authenticator App was updated on September 21, 2026 and Authenticator Duo on October 2, 2026.

Other comparisons