# 进制转换：程序员编程CRC计算器 vs 极速单位换算

The clearest difference is ads: 极速单位换算 at none against 进制转换：程序员编程CRC计算器's shown. On price, in-app purchases, device support 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 | 进制转换：程序员编程CRC计算器 | 极速单位换算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Size | 16 MB | 1 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [金锁 王](https://appshunter.io/developer/1896649260) |

## What reviewers say

### 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


### 极速单位换算

[App page](https://appshunter.io/ios/app/id6771273110)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is 极速单位换算 free?

极速单位换算 is free to download, with no in-app purchases.

### Do 进制转换：程序员编程CRC计算器 or 极速单位换算 have ads?

进制转换：程序员编程CRC计算器 shows ads; 极速单位换算 does not.

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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.*