Comparison

Perimeter 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

Perimeter

This AI-powered security app detects potential threats before they occur. It uses unique lights and sounds to warn individuals and deter crime before it happens.

Highlights
  • AI threat detection
  • Proactive crime deterrence
  • Neighbor Safe™ lights
  • Audible warnings
  • Driveway monitoring
Features
Read full description

Finally, deter theft before it happens. By detecting and warning people before they enter your driveway, your AI named Ava can determine whether to deter any would-be criminals using unique Neighbor Safe™ lights and sounds.

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

Perimeter4 screens
Duo Auty 2FA4 screens

Verdict

The call

The clearest difference is in-app purchases: Perimeter at none against Duo Auty 2FA's 2. Perimeter also leads on update cadence (every 3 weeks vs every 8 months) and iOS requirement (11.0 vs 14.0). On price, rating, ratings volume 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. Duo Auty 2FA sells 2 in-app purchases, starting at $9.99 per month. Perimeter asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Perimeter against 5.0 for Duo Auty 2FA. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

UpkeepUpdate frequency

Perimeter ships an update every 3 weeks, Duo Auty 2FA every 8 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Perimeter versus Duo Auty 2FA: the parameters behind the verdict, then further details
ParameterPerimeterDuo Auty 2FA
PriceFreeFree
Rating5.0 (2 ratings)5.0 (4 ratings)
Positive reviews—0.0% of reviews
Number of ratings24 — better
Update frequencyEvery 3 weeks — betterEvery 8 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better14.0
Further details — not scored
Size54 MB50 MB
Age rating4++17
DeveloperPERIMETER AI INC.Gurman Galychina LLC

Customer experience

Perimeter

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Duo Auty 2FA

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Perimeter

No in-app purchases

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 Perimeter free?
Perimeter is free to download, with no in-app purchases.
Is Duo Auty 2FA free?
Duo Auty 2FA is free to download, with in-app purchases available.
Which has better reviews, Perimeter or Duo Auty 2FA?
Perimeter and Duo Auty 2FA are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.
Do Perimeter or Duo Auty 2FA have ads?
Neither Perimeter nor Duo Auty 2FA shows ads.
Which is updated more often, Perimeter or Duo Auty 2FA?
Perimeter ships an update every 3 weeks, and Duo Auty 2FA every 8 months. Most recently, Perimeter was updated on October 7, 2026 and Duo Auty 2FA on October 24, 2026.

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