# 阿筑 vs 北控环境

The clearest difference is device support: 阿筑 at 2 against 北控环境's —. On price, in-app purchases and iOS requirement 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 | 阿筑 | 北控环境 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Size | 154 MB | 54 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [西安春辉软件科技有限公司](https://appshunter.io/developer/1473900465) | [北京云隼科技有限公司](https://appshunter.io/developer/1696059823) |

## What reviewers say

### 阿筑

[App page](https://appshunter.io/ios/app/id1473900757)

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

**In-app purchases:** none


### 北控环境

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

**In-app purchases:** none


## Frequently asked questions

### Is 阿筑 free?

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

### Is 北控环境 free?

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

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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.*