# 数字工具箱 vs 进制转换：程序员编程CRC计算器

The clearest difference is ads: 数字工具箱 at none against 进制转换：程序员编程CRC计算器's shown. 数字工具箱 also leads on iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support 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 | 数字工具箱 | 进制转换：程序员编程CRC计算器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | — |
| Size | 6 MB | 16 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ZERONE Kids](https://appshunter.io/developer/1505980126) | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) |

## What reviewers say

### 数字工具箱

[App page](https://appshunter.io/ios/app/id1556630965)

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

**In-app purchases:** none


### 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 数字工具箱 free?

数字工具箱 is free to download, with no in-app purchases.

### 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.

### Do 数字工具箱 or 进制转换：程序员编程CRC计算器 have ads?

进制转换：程序员编程CRC计算器 shows ads; 数字工具箱 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.*