# QR Code Reader vs 密钥动态验证

The clearest difference is ads: 密钥动态验证 at none against QR Code Reader's shown. 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.

## The numbers

| Metric | QR Code Reader | 密钥动态验证 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Size | 8 MB | 37 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [妙中 张](https://appshunter.io/developer/1737955069) | [自孟 向](https://appshunter.io/developer/1679268980) |

## What reviewers say

### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-barcode/id6737468626)

**Features:** macOS Compatibility

**In-app purchases:** none


### 密钥动态验证

[App page](https://appshunter.io/ios/app/id6803056715)

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Reader free?

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

### Is 密钥动态验证 free?

密钥动态验证 is free to download, with no in-app purchases.

### Do QR Code Reader or 密钥动态验证 have ads?

QR Code Reader shows ads; 密钥动态验证 does not.

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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.*