# 尺子测量 vs 气泡水平仪：角度倾斜测量尺子工具

The clearest difference is in-app purchases: 气泡水平仪：角度倾斜测量尺子工具 at none against 尺子测量's 3. 气泡水平仪：角度倾斜测量尺子工具 also leads on device support. 尺子测量's advantage is iOS requirement (12.0 vs 15.6). On price there is nothing between them.

Both are free to download. 尺子测量 sells 3 in-app purchases, starting at $2.99 per month. 气泡水平仪：角度倾斜测量尺子工具 asks for nothing beyond the download.

## The numbers

| Metric | 尺子测量 | 气泡水平仪：角度倾斜测量尺子工具 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | Yes |
| Size | 24 MB | 14 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Amritaayur Health Management Service Co.,Ltd.](https://appshunter.io/developer/1689205204) | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) |

## What reviewers say

### 尺子测量

[App page](https://appshunter.io/ios/app/id6526468871)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $2.99 | per month |
| 年会员 | $9.99 | per year |
| 永久会员 | $14.99 | one-time |


### 气泡水平仪：角度倾斜测量尺子工具

[App page](https://appshunter.io/ios/app/id6748018313)

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

**In-app purchases:** none


## Frequently asked questions

### Is 尺子测量 free?

尺子测量 is free to download, with in-app purchases available.

### Is 气泡水平仪：角度倾斜测量尺子工具 free?

气泡水平仪：角度倾斜测量尺子工具 is free to download, with no in-app purchases.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*