# 常山智能工厂 vs SKF云图

The clearest difference is device support: SKF云图 at 3 against 常山智能工厂's —. 常山智能工厂's advantage is iOS requirement (9.0 vs 13.0). 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 | 常山智能工厂 | SKF云图 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Monthly |
| Size | 27 MB | 41 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [江苏西格数据科技有限公司](https://appshunter.io/developer/1435756062) | [SKF (China) Co., Ltd.](https://appshunter.io/developer/1716830479) |

## What reviewers say

### 常山智能工厂

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

**In-app purchases:** none


### SKF云图

[App page](https://appshunter.io/ios/app/skf/id6472242332)

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

**In-app purchases:** none


## Frequently asked questions

### Is 常山智能工厂 free?

常山智能工厂 is free to download, with no in-app purchases.

### Is SKF云图 free?

SKF云图 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.*