# 勘察助手 vs 数字助手

The clearest difference is device support: 勘察助手 at 2 against 数字助手's —. 勘察助手 also leads on iOS requirement (9.1 vs 13.0). On price, update cadence 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.

勘察助手 ships an update every 6 months, 数字助手 every 3 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 勘察助手 | 数字助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 months | **Every 3 months** |
| Size | 9 MB | 75 MB |
| Requires iOS | **9.1** | 13.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [GLOBAL SAFETY TANZER TECHNOLOGY CO.LTD](https://appshunter.io/developer/1473548609) | [Chengdu Hualue Technology Co., Ltd.](https://appshunter.io/developer/1702649978) |

## What reviewers say

### 勘察助手

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 数字助手

[App page](https://appshunter.io/ios/app/id6475151235)

**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 数字助手 free?

数字助手 is free to download, with no in-app purchases.

### Which is updated more often, 勘察助手 or 数字助手?

勘察助手 ships an update every 6 months, and 数字助手 every 3 months. Most recently, 勘察助手 was updated on November 3, 2026 and 数字助手 on November 8, 2026.

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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.*