Comparison

Authenticator Duo vs Air Detector, Device Finder

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

Air Detector, Device Finder

Locate misplaced Bluetooth-enabled devices with real-time distance tracking and customizable alerts. This app helps you quickly find items like headphones, watches, and phones, ensuring your valuables are always within reach.

Highlights
  • Bluetooth device detection
  • Real-time distance meter
  • Quick item recovery
  • Intuitive interface
  • Customizable notifications
  • Device search history
Features
Read full description

"Utilizing advanced Bluetooth technology, our app detects your devices' locations, providing real-time updates and a precise distance meter to guide you. Whether your device is hidden under a couch cushion, left in another room, or even misplaced outdoors, our app ensures a quick and straightforward recovery. Our product makes it easy to find lost items like AirPods, iPhones, Apple Watches, Bose products, Powerbeats Pro, Beats Studio, and more. Simply install the app, launch it, and follow the instructions to locate your lost item. One of the standout features of our app is its intuitive interface, designed with user convenience in mind. The simple setup process allows you to register multiple devices, and the app's dashboard provides a comprehensive overview of all your tracked items. With customizable notifications, you can receive alerts if you leave a registered device behind, adding an extra layer of security. Stay connected and in control with our reliable, user-friendly app designed to keep your valuables within reach. Don't let the frustration of lost items disrupt your day—let our app be your go-to solution for locating your essential tech quickly and effortlessly. Features available with subscription: - Search for lost Bluetooth devices and distance to them - Device search history Subscription Terms: - Payment deducted from your Apple ID account upon purchase confirmation. - Subscription automatically renews unless canceled at least 24 hours before the current period ends. - Account charged for renewal within 24 hours before the current period concludes. - Manage and cancel subscriptions in your account settings on the App Store after purchase. Privacy Policy: https://docs.google.com/document/d/1YeQG-9Md2omWkQtA2gg0_nbfK6I8HF_67gYmxDqCKgs/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1UW7TTymNxE5FwQSj3EnuIfCQicq5mt3lUG7vwy3sNGo/edit?usp=sharing"

Screenshots

Authenticator Duo4 screens
Air Detector, Device Finder4 screens

Verdict

The call

The clearest difference is review sentiment: Authenticator Duo at 100% against Air Detector, Device Finder's 0%. Authenticator Duo also leads on rating (5.0 vs 4.4). Air Detector, Device Finder's advantage is monetization model (freemium vs subscription) and update cadence (daily vs every 2 days). On price, ads, in-app purchases 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 and Air Detector, Device Finder sells 3 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 4.4. Both are backed by a comparable volume of ratings — 14 and 48 respectively. Written reviews point the same way: 100% of Authenticator Duo's written reviews are positive against 0% of Air Detector, Device Finder's.

UpkeepUpdate frequency

Authenticator Duo ships an update every 2 days, Air Detector, Device Finder daily. The most recent releases landed on October 19, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Authenticator Duo versus Air Detector, Device Finder: the parameters behind the verdict, then further details
ParameterAuthenticator DuoAir Detector, Device Finder
PriceFreeFree
Rating5.0 (14 ratings) — better4.4 (48 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings1448 — better
Update frequencyEvery 2 daysDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFreemium — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size20 MB21 MB
Age rating17+4+
DeveloperQuentin PowellFrantz Goelz

Customer experience

Authenticator Duo

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

Air Detector, Device Finder

All ratings45 ratings
Positive82.2%
Neutral4.4%
Negative13.3%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

2 purchases

Authenticator Duo

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

Air Detector, Device Finder

Subscriptions3
  • FinderWeekly3 Days trial$6.997 Days
  • FinderMonthly3 Days trial$14.991 Month
  • FinderYearly3 Days trial$31.991 Year

Questions

Is Authenticator Duo free?
Authenticator Duo is free to download, with in-app purchases available.
Is Air Detector, Device Finder free?
Air Detector, Device Finder is free to download, with in-app purchases available.
Which has better reviews, Authenticator Duo or Air Detector, Device Finder?
Authenticator Duo is rated higher. Authenticator Duo averages 5.0 out of 5 from 14 ratings, while Air Detector, Device Finder averages 4.4 from 48 ratings.
Do Authenticator Duo or Air Detector, Device Finder have ads?
Neither Authenticator Duo nor Air Detector, Device Finder shows ads.
Which is updated more often, Authenticator Duo or Air Detector, Device Finder?
Authenticator Duo ships an update every 2 days, and Air Detector, Device Finder daily. Most recently, Authenticator Duo was updated on October 19, 2026 and Air Detector, Device Finder on October 31, 2026.

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