# 测量大师APP vs 窗小白

The clearest difference is iOS requirement: 窗小白 at 11.0 against 测量大师APP's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 测量大师APP | 窗小白 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 195 MB | 261 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WUXIMENTU Network Technology Co., Ltd.](https://appshunter.io/developer/1449669905) | [Hefei Yingzhou Information Technology Co., Ltd.](https://appshunter.io/developer/1501013683) |

## What reviewers say

### 测量大师APP

[App page](https://appshunter.io/ios/app/app/id1504587811)

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

**In-app purchases:** none


### 窗小白

[App page](https://appshunter.io/ios/app/id6444171179)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 测量大师APP free?

测量大师APP is free to download, with no in-app purchases.

### Is 窗小白 free?

窗小白 is free to download, with no in-app purchases.

### Do 测量大师APP or 窗小白 have ads?

Neither 测量大师APP nor 窗小白 shows ads.

### Which is updated more often, 测量大师APP or 窗小白?

测量大师APP ships an update every 3 weeks, and 窗小白 every 3 weeks. Most recently, 测量大师APP was updated on September 15, 2026 and 窗小白 on September 10, 2026.

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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.*