# 勘察助手 vs 仪器管理

The clearest difference is device support: 勘察助手 at 2 against 仪器管理's —. 勘察助手 also leads on iOS requirement (9.1 vs 11.0). On price and in-app purchases 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 | 勘察助手 | 仪器管理 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 months | — |
| Size | 9 MB | 15 MB |
| Requires iOS | **9.1** | 11.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [GLOBAL SAFETY TANZER TECHNOLOGY CO.LTD](https://appshunter.io/developer/1473548609) | [NeoTrident Technology Ltd](https://appshunter.io/developer/940375066) |

## What reviewers say

### 勘察助手

[App page](https://appshunter.io/ios/app/id1535190504)

**Features:** macOS Compatibility

**In-app purchases:** none


### 仪器管理

[App page](https://appshunter.io/ios/app/id6466132873)

**In-app purchases:** none


## Frequently asked questions

### Is 勘察助手 free?

勘察助手 is free to download, with no in-app purchases.

### Is 仪器管理 free?

仪器管理 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.*