# 度量衡 vs QR Code Generator & Reader +

The clearest difference is ads: QR Code Generator & Reader + at none against 度量衡's shown. 度量衡's advantage is update cadence (every 2 days vs every 3 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.

度量衡 ships an update every 2 days, QR Code Generator & Reader + every 3 months. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | 度量衡 | QR Code Generator & Reader + |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 months |
| Size | 14 MB | 44 MB |
| Requires iOS | 16 | **15.5** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [燕梅 高](https://appshunter.io/developer/1860144880) | [Tracy Thomas](https://appshunter.io/developer/1869880557) |

## What reviewers say

### 度量衡

[App page](https://appshunter.io/ios/app/id6756406184)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code Generator & Reader +

[App page](https://appshunter.io/ios/app/qr-code-generator-and-reader-plus/id6757950375)

**In-app purchases:** none


## Frequently asked questions

### Is 度量衡 free?

度量衡 is free to download, with no in-app purchases.

### Is QR Code Generator & Reader + free?

QR Code Generator & Reader + is free to download, with no in-app purchases.

### Do 度量衡 or QR Code Generator & Reader + have ads?

度量衡 shows ads; QR Code Generator & Reader + does not.

### Which is updated more often, 度量衡 or QR Code Generator & Reader +?

度量衡 ships an update every 2 days, and QR Code Generator & Reader + every 3 months. Most recently, 度量衡 was updated on November 9, 2026 and QR Code Generator & Reader + on November 13, 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.*