# RM Sleep Pro vs 气泡水平仪：角度倾斜测量尺子工具

The clearest difference is ads: RM Sleep Pro at none against 气泡水平仪：角度倾斜测量尺子工具's shown. RM Sleep Pro also leads on iOS requirement (12.0 vs 15.6). On price, in-app purchases and device support 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 | RM Sleep Pro | 气泡水平仪：角度倾斜测量尺子工具 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | — |
| Size | 29 MB | 14 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Qingdao Richmat Intelligence Technology Inc.](https://appshunter.io/developer/1814751082) | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) |

## What reviewers say

### RM Sleep Pro

[App page](https://appshunter.io/ios/app/rm-sleep-pro/id6745157263)

**In-app purchases:** none


### 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 RM Sleep Pro free?

RM Sleep Pro is free to download, with no in-app purchases.

### 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.

### Do RM Sleep Pro or 气泡水平仪：角度倾斜测量尺子工具 have ads?

气泡水平仪：角度倾斜测量尺子工具 shows ads; RM Sleep Pro 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.*