# QR Code Design vs 海豚印记

The clearest difference is in-app purchases: 海豚印记 at none against QR Code Design's 3. 海豚印记 also leads on iOS requirement (12.0 vs 15.0). QR Code Design's advantage is device support. On price there is nothing between them.

Both are free to download. QR Code Design sells 3 in-app purchases, starting at $2.99 per 7 days. 海豚印记 asks for nothing beyond the download.

## The numbers

| Metric | QR Code Design | 海豚印记 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 7 months | — |
| Size | 20 MB | 44 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [小鹏 陈](https://appshunter.io/developer/1464828803) | [Guangzhou Sixiangxian Software Technology Co., Ltd.](https://appshunter.io/developer/1641868566) |

## What reviewers say

### QR Code Design

[App page](https://appshunter.io/ios/app/qr-code-design/id1668761549)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $5.99 | per month |
| Annual | $29.99 | per year |


### 海豚印记

[App page](https://appshunter.io/ios/app/id6463793741)

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Design free?

QR Code Design is free to download, with in-app purchases available.

### Is 海豚印记 free?

海豚印记 is free to download, with no in-app purchases.

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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.*