# 反应时间测试 vs Dynamic Visual Acuity

The clearest difference is ads: 反应时间测试 at none against Dynamic Visual Acuity's shown. 反应时间测试 also leads on iOS requirement (6.0 vs 14.1). 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 | 反应时间测试 | Dynamic Visual Acuity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/id865233933/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 95.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 39 months |
| Size | 3 MB | 6 MB |
| Requires iOS | **6.0** | 14.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [志翔 赵](https://appshunter.io/developer/572200463) | [Saki Inoue](https://appshunter.io/developer/1557109246) |

## What reviewers say

### 反应时间测试

[App page](https://appshunter.io/ios/app/id865233933)

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

**In-app purchases:** none


### Dynamic Visual Acuity

[App page](https://appshunter.io/ios/app/dynamic-visual-acuity/id6447795260)

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

**In-app purchases:** none


## Frequently asked questions

### Is 反应时间测试 free?

反应时间测试 is free to download, with no in-app purchases.

### Is Dynamic Visual Acuity free?

Dynamic Visual Acuity is free to download, with no in-app purchases.

### Do 反应时间测试 or Dynamic Visual Acuity have ads?

Dynamic Visual Acuity shows ads; 反应时间测试 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.*