# 嘉岩EAM vs 工控大师专业版

The clearest difference is in-app purchases: 嘉岩EAM at none against 工控大师专业版's 4. 嘉岩EAM also leads on device support. 工控大师专业版's advantage is iOS requirement (12.0 vs 15.0). On price there is nothing between them.

Both are free to download. 工控大师专业版 sells 4 one-off in-app purchases. 嘉岩EAM asks for nothing beyond the download.

## The numbers

| Metric | 嘉岩EAM | 工控大师专业版 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 5 weeks | — |
| Size | 48 MB | 41 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Gusaixin Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1641232836) | [深圳扳手会供应链科技有限公司](https://appshunter.io/developer/1718660653) |

## What reviewers say

### 嘉岩EAM

[App page](https://appshunter.io/ios/app/eam/id1641232833)

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

**In-app purchases:** none


### 工控大师专业版

[App page](https://appshunter.io/ios/app/id6502392193)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30天会员 | $3.99 | one-time |
| 90天会员 | $6.99 | one-time |
| 一年会员（365天） | $14.99 | one-time |
| 三年会员（1095天） | $29.99 | one-time |


## Frequently asked questions

### Is 嘉岩EAM free?

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

### Is 工控大师专业版 free?

工控大师专业版 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.*