# 芯劢智眼 vs Useful QR Code Reader

The clearest difference is ads: 芯劢智眼 at none against Useful QR Code Reader's shown. 芯劢智眼 also leads on iOS requirement (13.0 vs 15.6). Useful QR Code Reader's advantage is update cadence (every 8 days vs every 5 weeks). On price, 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.

芯劢智眼 ships an update every 5 weeks, Useful QR Code Reader every 8 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 芯劢智眼 | Useful QR Code Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 8 days** |
| Size | 188 MB | 98 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Zhejiang Xinmai Silicon Co., LTD](https://appshunter.io/developer/1680433971) | [katapu.net](https://appshunter.io/developer/381898924) |

## What reviewers say

### 芯劢智眼

[App page](https://appshunter.io/ios/app/id6499126882)

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

**In-app purchases:** none


### Useful QR Code Reader

[App page](https://appshunter.io/ios/app/useful-qr-code-reader/id6738119243)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 芯劢智眼 free?

芯劢智眼 is free to download, with no in-app purchases.

### Is Useful QR Code Reader free?

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

### Do 芯劢智眼 or Useful QR Code Reader have ads?

Useful QR Code Reader shows ads; 芯劢智眼 does not.

### Which is updated more often, 芯劢智眼 or Useful QR Code Reader?

芯劢智眼 ships an update every 5 weeks, and Useful QR Code Reader every 8 days. Most recently, 芯劢智眼 was updated on October 9, 2026 and Useful QR Code Reader on October 24, 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.*