# 北控环境 vs 装机DIY

The clearest difference is in-app purchases: 北控环境 at none against 装机DIY's 3. 北控环境 also leads on iOS requirement (12.0 vs 15.0). 装机DIY's advantage is device support. On price there is nothing between them.

Both are free to download. 装机DIY sells 3 in-app purchases, starting at $0.99 per 7 days. 北控环境 asks for nothing beyond the download.

## The numbers

| Metric | 北控环境 | 装机DIY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 9 days |
| Size | 54 MB | 29 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [北京云隼科技有限公司](https://appshunter.io/developer/1696059823) | [星宇 赵](https://appshunter.io/developer/1804927050) |

## What reviewers say

### 北控环境

[App page](https://appshunter.io/ios/app/id6464238596)

**In-app purchases:** none


### 装机DIY

[App page](https://appshunter.io/ios/app/diy/id6746448279)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 装机DIY 周会员 | $0.99 | per 7 days |
| 装机DIY 月会员 | $1.99 | per month |
| 装机DIY 年会员 | $9.99 | per year |


## Frequently asked questions

### Is 北控环境 free?

北控环境 is free to download, with no in-app purchases.

### Is 装机DIY free?

装机DIY 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.*