# 振慧测 vs 常山智能工厂

The clearest difference is device support: 振慧测 at 3 against 常山智能工厂's —. 常山智能工厂's advantage is iOS requirement (9.0 vs 15.0). On price 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.

## The numbers

| Metric | 振慧测 | 常山智能工厂 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Monthly | — |
| Size | 81 MB | 27 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [青岛追寻科技有限公司](https://appshunter.io/developer/1753878636) | [江苏西格数据科技有限公司](https://appshunter.io/developer/1435756062) |

## What reviewers say

### 振慧测

[App page](https://appshunter.io/ios/app/id1621688544)

**Features:** Vision Pro support

**In-app purchases:** none


### 常山智能工厂

[App page](https://appshunter.io/ios/app/id6449507734)

**In-app purchases:** none


## Frequently asked questions

### Is 振慧测 free?

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

### Is 常山智能工厂 free?

常山智能工厂 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.*