# 数据板 vs 专业测量仪

The clearest difference is price: 数据板 at Free against 专业测量仪's $0.99. 数据板 also leads on iOS requirement (12.0 vs 14.0). 专业测量仪's advantage is device support. On in-app purchases there is nothing between them.

数据板 is free to download; 专业测量仪 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 数据板 | 专业测量仪 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 5 days |
| Size | 93 MB | 123 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [海明 刘](https://appshunter.io/developer/1590172467) | [小飞 刘](https://appshunter.io/developer/1679472128) |

## What reviewers say

### 数据板

[App page](https://appshunter.io/ios/app/id1590555876)

**In-app purchases:** none


### 专业测量仪

[App page](https://appshunter.io/ios/app/id6449776548)

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

**In-app purchases:** none


## Frequently asked questions

### Is 数据板 free?

数据板 is free to download, with no in-app purchases.

### Is 专业测量仪 free?

专业测量仪 costs $0.99, 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.*