# RGB Light Control vs QR Reader & Barcode Scan

The clearest difference is update cadence: QR Reader & Barcode Scan at every 9 days against RGB Light Control's every 29 months. RGB Light Control's advantage is iOS requirement (12.0 vs 14). On price, ads, in-app purchases and device support there is nothing between them.

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

RGB Light Control ships an update every 29 months, QR Reader & Barcode Scan every 9 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RGB Light Control | QR Reader & Barcode Scan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 9 days** |
| Size | 1 MB | 16 MB |
| Requires iOS | **12.0** | 14 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Hiwonder Technology Co.,Ltd](https://appshunter.io/developer/1090806812) | [Van Manh Nguyen](https://appshunter.io/developer/930771365) |

## What reviewers say

### RGB Light Control

[App page](https://appshunter.io/ios/app/rgb-light-control/id6471653419)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Reader & Barcode Scan

[App page](https://appshunter.io/ios/app/qr-reader-and-barcode-scan/id6755105903)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RGB Light Control free?

RGB Light Control is free to download, with no in-app purchases.

### Is QR Reader & Barcode Scan free?

QR Reader & Barcode Scan is free to download, with no in-app purchases.

### Do RGB Light Control or QR Reader & Barcode Scan have ads?

Neither RGB Light Control nor QR Reader & Barcode Scan shows ads.

### Which is updated more often, RGB Light Control or QR Reader & Barcode Scan?

RGB Light Control ships an update every 29 months, and QR Reader & Barcode Scan every 9 days. Most recently, RGB Light Control was updated on October 27, 2026 and QR Reader & Barcode Scan on October 25, 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.*