# Reflex Test App vs Reaction Time Test

The clearest difference is update cadence: Reaction Time Test at every 8 days against Reflex Test App's every 4 months. Reflex Test App's advantage is iOS requirement (15.6 vs 17.0). On price, ads, 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.

Reflex Test App ships an update every 4 months, Reaction Time Test every 8 days. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Reflex Test App | Reaction Time Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Size | 3 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Test Apps Limited](https://appshunter.io/developer/1448821868) | [Jinwan Kim](https://appshunter.io/developer/1446513824) |

## What reviewers say

### Reflex Test App

[App page](https://appshunter.io/ios/app/reflex-test-app/id6763846628)

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

**In-app purchases:** none


### Reaction Time Test

[App page](https://appshunter.io/ios/app/reaction-time-test-millis/id6805464656)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reflex Test App free?

Reflex Test App is free to download, with no in-app purchases.

### Is Reaction Time Test free?

Reaction Time Test is free to download, with no in-app purchases.

### Do Reflex Test App or Reaction Time Test have ads?

Neither Reflex Test App nor Reaction Time Test shows ads.

### Which is updated more often, Reflex Test App or Reaction Time Test?

Reflex Test App ships an update every 4 months, and Reaction Time Test every 8 days. Most recently, Reflex Test App was updated on October 2, 2026 and Reaction Time Test on October 4, 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.*