# All QR Scanner vs Controller Diagnostics

The clearest difference is ads: Controller Diagnostics at none against All QR Scanner's shown. Controller Diagnostics also leads on update cadence (every 5 weeks vs every 10 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

All QR Scanner ships an update every 10 months, Controller Diagnostics every 5 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | All QR Scanner | Controller Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/all-qr-scanner/id1596100685/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 2 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prashant Kyada](https://appshunter.io/developer/1843020275) | [Lykketronic AS](https://appshunter.io/developer/1297619408) |

## What reviewers say

### All QR Scanner

[App page](https://appshunter.io/ios/app/all-qr-scanner/id1596100685)

Easily create and scan QR codes for various information like website links, text, and Wi-Fi. This utility app offers instant scanning, history saving, and flashlight support, all without requiring an internet connection.

**Highlights:** QR code generation, Instant QR code scanning, Scan from gallery, Scan history, Flashlight support, Offline functionality

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Controller Diagnostics

[App page](https://appshunter.io/ios/app/controller-diagnostics/id6444090201)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is All QR Scanner free?

All QR Scanner is free to download, with no in-app purchases.

### Is Controller Diagnostics free?

Controller Diagnostics is free to download, with no in-app purchases.

### Do All QR Scanner or Controller Diagnostics have ads?

All QR Scanner shows ads; Controller Diagnostics does not.

### Which is updated more often, All QR Scanner or Controller Diagnostics?

All QR Scanner ships an update every 10 months, and Controller Diagnostics every 5 weeks. Most recently, All QR Scanner was updated on November 3, 2026 and Controller Diagnostics on October 27, 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.*