# 海湾技术服务 vs 工程计算工具箱

The clearest difference is iOS requirement: 海湾技术服务 at 13.0 against 工程计算工具箱's 26.2. On ads, in-app purchases and device support there is nothing between them.

## The numbers

| Metric | 海湾技术服务 | 工程计算工具箱 |
| --- | --- | --- |
| Price | **Free** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 49 MB | 10 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Gulf Security Technology Co., Ltd](https://appshunter.io/developer/1389703268) | [丙超 康](https://appshunter.io/developer/1868763431) |

## What reviewers say

### 海湾技术服务

[App page](https://appshunter.io/ios/app/id1518186544)

**Features:** macOS Compatibility

**In-app purchases:** none


### 工程计算工具箱

[App page](https://appshunter.io/ios/app/id6758457521)

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

**In-app purchases:** none


## Frequently asked questions

### Is 海湾技术服务 free?

海湾技术服务 is free to download, with no in-app purchases.

### Is 工程计算工具箱 free?

Pricing for 工程计算工具箱 is not currently listed on the App Store.

### Do 海湾技术服务 or 工程计算工具箱 have ads?

Neither 海湾技术服务 nor 工程计算工具箱 shows ads.

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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.*