# 工控大师专业版 vs 进制转换：程序员编程CRC计算器

The clearest difference is in-app purchases: 进制转换：程序员编程CRC计算器 at none against 工控大师专业版's 4. 进制转换：程序员编程CRC计算器 also leads on device support. 工控大师专业版's advantage is iOS requirement (12.0 vs 15.6). 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. 进制转换：程序员编程CRC计算器 asks for nothing beyond the download.

## The numbers

| Metric | 工控大师专业版 | 进制转换：程序员编程CRC计算器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | Yes |
| Size | 41 MB | 16 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [深圳扳手会供应链科技有限公司](https://appshunter.io/developer/1718660653) | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) |

## What reviewers say

### 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 |


### 进制转换：程序员编程CRC计算器

[App page](https://appshunter.io/ios/app/crc/id6744915870)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is 进制转换：程序员编程CRC计算器 free?

进制转换：程序员编程CRC计算器 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.*