# Device Tracker. Air Detector vs QR Code, Barcode Scanner App

The clearest difference is rating: QR Code, Barcode Scanner App at 4.4 against Device Tracker. Air Detector's 4.1. On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Device Tracker. Air Detector sells 3 in-app purchases, starting at $6.99 per 7 days and QR Code, Barcode Scanner App sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

QR Code, Barcode Scanner App holds the better App Store score, 4.4 against 4.1. Both are backed by a comparable volume of ratings — 21 and 62 respectively.

Device Tracker. Air Detector ships an update daily, QR Code, Barcode Scanner App every 2 days. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Device Tracker. Air Detector | QR Code, Barcode Scanner App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (21 ratings)](https://appshunter.io/ios/app/device-tracker-air-detector/id6739941590/reviews) | **[4.4 (62 ratings)](https://appshunter.io/ios/app/qr-code-barcode-scanner-app/id6740528252/reviews)** |
| Number of ratings | 21 | **62** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 27 MB | 23 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PIXEL QUEST LIMITED](https://appshunter.io/developer/1796137540) | [RAPHAEL EDER](https://appshunter.io/developer/1789543831) |

## What reviewers say

### Device Tracker. Air Detector

[App page](https://appshunter.io/ios/app/device-tracker-air-detector/id6739941590)

Locate misplaced Bluetooth devices quickly and easily. The app detects signals, calculates distance, and guides you with a radar pointer to find your lost items.

**Highlights:** Bluetooth device detection, Distance calculation, Radar pointer guidance, Lost device finder, Speed and accuracy focused

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Trial Subscription | $6.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| One Time In-App Purchase | $4.99 | one-time |


### QR Code, Barcode Scanner App

[App page](https://appshunter.io/ios/app/qr-code-barcode-scanner-app/id6740528252)

This utility app allows users to quickly read and generate QR codes and barcodes. It offers features like batch scanning, customization, and a history of scanned codes for efficient information access and creation.

**Highlights:** QR Code Reader, Barcode Scanner, QR Code Generator, Batch Scanning, Customization Options, Code History, Secure Scanning

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Weekly Premium | $6.99 | per 7 days |


## Frequently asked questions

### Is Device Tracker. Air Detector free?

Device Tracker. Air Detector is free to download, with in-app purchases available.

### Is QR Code, Barcode Scanner App free?

QR Code, Barcode Scanner App is free to download, with in-app purchases available.

### Which has better reviews, Device Tracker. Air Detector or QR Code, Barcode Scanner App?

QR Code, Barcode Scanner App is rated higher. Device Tracker. Air Detector averages 4.1 out of 5 from 21 ratings, while QR Code, Barcode Scanner App averages 4.4 from 62 ratings.

### Do Device Tracker. Air Detector or QR Code, Barcode Scanner App have ads?

Neither Device Tracker. Air Detector nor QR Code, Barcode Scanner App shows ads.

### Which is updated more often, Device Tracker. Air Detector or QR Code, Barcode Scanner App?

Device Tracker. Air Detector ships an update daily, and QR Code, Barcode Scanner App every 2 days. Most recently, Device Tracker. Air Detector was updated on September 30, 2026 and QR Code, Barcode Scanner App on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*