# QR Code Reader barcode Reader vs Chiado Studio

The clearest difference is ads: Chiado Studio at none against QR Code Reader barcode Reader's shown. Chiado Studio also leads on iOS requirement (11.0 vs 13.0). On price, update cadence, 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.

QR Code Reader barcode Reader ships an update every 4 months, Chiado Studio every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | QR Code Reader barcode Reader | Chiado Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 46 MB | 15 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Shufu Lin](https://appshunter.io/developer/1780449717) | [Brightech - Innovative Links, Lda](https://appshunter.io/developer/982505474) |

## What reviewers say

### QR Code Reader barcode Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-barcode-reader/id6739070413)

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

**In-app purchases:** none


### Chiado Studio

[App page](https://appshunter.io/ios/app/chiado-studio/id6744249066)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Reader barcode Reader free?

QR Code Reader barcode Reader is free to download, with no in-app purchases.

### Is Chiado Studio free?

Chiado Studio is free to download, with no in-app purchases.

### Do QR Code Reader barcode Reader or Chiado Studio have ads?

QR Code Reader barcode Reader shows ads; Chiado Studio does not.

### Which is updated more often, QR Code Reader barcode Reader or Chiado Studio?

QR Code Reader barcode Reader ships an update every 4 months, and Chiado Studio every 3 months. Most recently, QR Code Reader barcode Reader was updated on October 24, 2026 and Chiado Studio 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.*