# Reaction Time Test vs Simple Reaction Timer

The clearest difference is update cadence: Simple Reaction Timer at daily against Reaction Time Test's every 4 days. Reaction Time Test's advantage is iOS requirement (14.0 vs 17.6). 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.

Reaction Time Test ships an update every 4 days, Simple Reaction Timer daily. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Reaction Time Test | Simple Reaction Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (21 ratings)](https://appshunter.io/ios/app/reaction-time-test-how-fast/id6466617945/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Ad-supported | — |
| Size | 30 MB | 10 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HUNG-PIN YU](https://appshunter.io/developer/963095666) | [ANDREW MARTYN BANNER](https://appshunter.io/developer/1785719851) |

## What reviewers say

### Reaction Time Test

[App page](https://appshunter.io/ios/app/reaction-time-test-how-fast/id6466617945)

Measure your reflexes by tapping as quickly as possible when a visual cue appears. Compete against yourself and challenge your personal best.

**Highlights:** Reaction time measurement, Tap when green cue appears, Challenge personal limits, Simple gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Reaction Timer

[App page](https://appshunter.io/ios/app/simple-reaction-timer/id6752825952)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reaction Time Test free?

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

### Is Simple Reaction Timer free?

Simple Reaction Timer is free to download, with no in-app purchases.

### Do Reaction Time Test or Simple Reaction Timer have ads?

Both Reaction Time Test and Simple Reaction Timer show ads.

### Which is updated more often, Reaction Time Test or Simple Reaction Timer?

Reaction Time Test ships an update every 4 days, and Simple Reaction Timer daily. Most recently, Reaction Time Test was updated on October 13, 2026 and Simple Reaction Timer on October 10, 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.*