# Dynamic Visual Acuity vs Reflex

The clearest difference is price: Dynamic Visual Acuity at Free against Reflex's $1.99. Dynamic Visual Acuity also leads on iOS requirement (14.1 vs 17.0). Reflex's advantage is ads (none vs shown) and update cadence (every 6 days vs every 39 months). On in-app purchases and device support there is nothing between them.

Dynamic Visual Acuity is free to download; Reflex costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dynamic Visual Acuity ships an update every 39 months, Reflex every 6 days. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Dynamic Visual Acuity | Reflex |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/reflex-reaction-time-trainer/id6758613371/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 39 months | **Every 6 days** |
| Monetization | — | Free |
| Size | 6 MB | 5 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Saki Inoue](https://appshunter.io/developer/1557109246) | [APPIKO LTD](https://appshunter.io/developer/1857570203) |

## What reviewers say

### Dynamic Visual Acuity

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

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

**In-app purchases:** none


### Reflex

[App page](https://appshunter.io/ios/app/reflex-reaction-time-trainer/id6758613371)

Test your reflexes with 8 unique games designed to measure speed, precision, and hand-eye coordination. Track your progress with saved best times and high scores in a clean, distraction-free interface. No accounts are needed to start playing.

**Highlights:** 8 unique reaction games, FPS aim trainer, Color and emoji matching, Timing and precision tests, Progress tracking, Distraction-free design, No account required

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

**In-app purchases:** none


## Frequently asked questions

### Is Dynamic Visual Acuity free?

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

### Is Reflex free?

Reflex costs $1.99, with no in-app purchases.

### Do Dynamic Visual Acuity or Reflex have ads?

Dynamic Visual Acuity shows ads; Reflex does not.

### Which is updated more often, Dynamic Visual Acuity or Reflex?

Dynamic Visual Acuity ships an update every 39 months, and Reflex every 6 days. Most recently, Dynamic Visual Acuity was updated on October 16, 2026 and Reflex on October 13, 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.*