Comparison

Authenticator App vs Duo Auty 2FA

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

Head to head
About

Authenticator App

Secure your online accounts with this simple and safe two-factor authentication app. It generates 6-digit one-time passwords to add an extra layer of security against hackers. Protect your accounts by scanning QR codes or manually entering tokens.

Highlights
  • Secures online accounts
  • Generates 6-digit TOTP codes
  • Supports QR code scanning
  • Manual token entry
  • Offline code generation
  • Adds extra security layer
Features
Read full description

Your must-have Authenticator App - Two Factor to secure your all online accounts in one place. Simple and Safe! Being extra careful with all of your accounts and log-ins is the first step to safety. Authenticator App - Two Factor is a simple and free Two Factor Authentication (2FA) solution for your online accounts on your device. This app generates 6-digit Time-Based One-Time Passwords (TOTP). It helps keep your online accounts secure on supporting 2FA services. 2-Step Verification provides stronger security for your online Account by requiring a second step of verification when you sign in. Tool helps you protect your account from hackers by adding an additional layer of security. After scanning a simple QR code, your account is protected. You can also manually enter 2FA tokens to do so. Once configured, you can get verification codes without the need for a network or cellular connection when this app is used as a TOTP code generator. You can scan QR code or enter manually to add accounts. Subscription renewal terms: - Payment will be charged to iTunes Account at confirmation of purchases. - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - 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, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://kuznec.neocities.org/Authenticator/privacy Terms of Use: https://kuznec.neocities.org/Authenticator/terms

About

Duo Auty 2FA

Enhance your online security with this two-factor authentication app. It supports time-based one-time passwords (TOTP) and PUSH authentication for seamless and secure access to your accounts. Add multiple accounts, customize with brand icons, and unlock with biometrics.

Highlights
  • Two-factor authentication (2FA)
  • TOTP and PUSH authentication
  • QR code scanning and import
  • Manual code entry
  • Brand icon customization
  • Biometrics integration
Features
Read full description

Auty 2FA presents an optimal solution for fortifying your online security. This complimentary authentication application provides two-factor authentication (2FA) via time-based one-time passwords (TOTP) and PUSH authentication, ensuring top-tier protection for your online accounts. Seamlessly integrating with any website or application supporting TOTP authentication, Auty 2FA enables effortless and secure access to your accounts. Whether you're an individual or a business entity, Auty 2FA stands as the premier choice for upholding your security and privacy standards. Auty 2FA operates independently of network connectivity and is designed to preserve your device's battery life. You can conveniently add multiple accounts to the app, including Facebook, Amazon, Dropbox, Google, LinkedIn, GitHub, and more. Key Features: * QR Code Scanning: Effortlessly add your accounts by scanning QR codes, eliminating manual entry and inconvenience. * QR Code Import: Quickly import QR codes from your gallery to set up your accounts swiftly. * Manual Code Entry: Enter authentication codes manually with ease, providing added flexibility. * Brand Icons Customization: Personalize your accounts with thousands of brand icons, simplifying identification. * Biometrics Integration: Unlock the app effortlessly with face recognition, enhancing security. To use the Auty 2FA App, you must acquire the Auty 2FA App Premium. Payment will be deducted from your iTunes Account upon purchase confirmation and will automatically renew at the same price, unless disabled in your iTunes Account Settings at least 24 hours before the current period ends. You can manage your subscription through your iTunes Account Settings. If a free trial period is provided and you purchase a subscription, any unused portion of the trial will be forfeited. Privacy policy: https://secondphone.app/auty2fa/privacy.html Terms of use: https://secondphone.app/auty2fa/terms.html EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Take control of your online security and experience peace of mind with Auty 2FA.  Download now to safeguard your digital life like never before!

Screenshots

Authenticator App3 screens
Duo Auty 2FA4 screens

Verdict

The call

The clearest difference is monetization model: Authenticator App at free with in-app purchases against Duo Auty 2FA's subscription. Authenticator App also leads on update cadence (every 11 days vs every 8 months) and ratings volume (400 vs 4). Duo Auty 2FA's advantage is ads (none vs shown) and rating (5.0 vs 4.6). On price, in-app purchases, device support and iOS requirement 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 App sells 3 in-app purchases, starting at $6.99 per 7 days and Duo Auty 2FA sells 2 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

Duo Auty 2FA holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Authenticator App has 400 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

Authenticator App ships an update every 11 days, Duo Auty 2FA every 8 months. The most recent releases landed on September 22, 2026 and September 11, 2026 respectively.

Scorecard5 real differences · 5 level
Authenticator App versus Duo Auty 2FA: the parameters behind the verdict, then further details
ParameterAuthenticator AppDuo Auty 2FA
PriceFreeFree
Rating4.6 (400 ratings)5.0 (4 ratings) — better
Positive reviews28.6% of reviews—
Number of ratings400 — better4
Update frequencyEvery 11 days — betterEvery 8 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.014.0
Further details — not scored
Size34 MB50 MB
Age rating4+17+
DeveloperLinda LopezGurman Galychina LLC

Customer experience

Authenticator App

All ratings400 ratings
Positive91.3%
Neutral1.8%
Negative7.0%
Written reviews7 reviews
Positive28.6%
Neutral0.0%
Negative71.4%

Duo Auty 2FA

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Authenticator App

Subscriptions3
  • Authenticator App Duo Authy$6.997 Days
  • Authenticator App Duo Authy3 Days trial$6.997 Days
  • Authenticator App Duo Authy$14.991 Month
2 purchases

Duo Auty 2FA

Subscriptions2
  • Monthly with trial3 Days trial$9.991 Month
  • Yearly plan with trial7 Days trial$59.991 Year

Questions

Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Is Duo Auty 2FA free?
Duo Auty 2FA is free to download, with in-app purchases available.
Which has better reviews, Authenticator App or Duo Auty 2FA?
Duo Auty 2FA is rated higher. Authenticator App averages 4.6 out of 5 from 400 ratings, while Duo Auty 2FA averages 5.0 from 4 ratings.
Do Authenticator App or Duo Auty 2FA have ads?
Authenticator App shows ads; Duo Auty 2FA does not.
Which is updated more often, Authenticator App or Duo Auty 2FA?
Authenticator App ships an update every 11 days, and Duo Auty 2FA every 8 months. Most recently, Authenticator App was updated on September 22, 2026 and Duo Auty 2FA on September 11, 2026.

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