# 杏昀知行 vs 卷尺测量仪

The clearest difference is in-app purchases: 杏昀知行 at none against 卷尺测量仪's 3. 杏昀知行 also leads on iOS requirement (12.0 vs 17.6). On price there is nothing between them.

Both are free to download. 卷尺测量仪 sells 3 one-off in-app purchases. 杏昀知行 asks for nothing beyond the download.

## The numbers

| Metric | 杏昀知行 | 卷尺测量仪 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 10 days |
| Size | 107 MB | 18 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | — | **iPhone** |
| Age rating | 12+ | 4+ |
| Developer | [Xingyun Zhixing (Chengdu) Health Technology Co., Ltd](https://appshunter.io/developer/1656747427) | [Shenzhen Chuyue Technology Co.,Ltd](https://appshunter.io/developer/1562971471) |

## What reviewers say

### 杏昀知行

[App page](https://appshunter.io/ios/app/id6444776163)

**In-app purchases:** none


### 卷尺测量仪

[App page](https://appshunter.io/ios/app/ar-and/id6752848919)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 测量月卡 | $2.99 | one-time |
| 季卡 | $6.99 | one-time |
| 年卡 | $29.99 | one-time |


## Frequently asked questions

### Is 杏昀知行 free?

杏昀知行 is free to download, with no in-app purchases.

### Is 卷尺测量仪 free?

卷尺测量仪 is free to download, with in-app purchases available.

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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.*