# Reaction Time Recorder

> App to test and compare reaction times between users on connected devices. (iPhone/iPad app by Ryan O'Connor.)

- Source: https://appshunter.io/ios/app/reaction-time-recorder/id1195678425 (this page in markdown: same URL + `.md`)
- Developer: [Ryan O'Connor](https://appshunter.io/developer/989567551)
- Category: Education
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.1 · 12 MB
- Languages: American English
- Released: 2017-01-21
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/reaction-time-recorder/id1195678425/reviews.md

## What is Reaction Time Recorder?

Have you ever wondered how good your reaction time is? Test your friends and family and see who reacts the fastest to red, yellow, and green light. 

- Download the app on 2 iPhones or iPads and connect when on the same Wi-Fi network. 
- Place on device 7 or 10 feet away and standing up so that you can see it
- Use the other device to "react" when a color appears on the display device. 
- Have other people try it and compare and share the results!

## Key features

- Reaction time testing
- Multi-device connectivity
- Wi-Fi network connection
- Color-based reaction prompts
- Result comparison and sharing

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/reaction-time-recorder/id1195678425/reviews.md

### 5/5 — Many uses

*2019-02-10*

I was able to use this app for my stem fair project and I couldn’t have done it without this app.

## Frequently asked questions about Reaction Time Recorder

### How does Reaction Time Recorder work?

Reaction Time Recorder allows two users on the same Wi-Fi network to test their reaction times. One device displays colors, and the other user taps when a color appears.

### What devices are compatible with Reaction Time Recorder?

Reaction Time Recorder is available for iPhone, iPad, and iPod touch devices.

### What is the age rating for Reaction Time Recorder?

The app has an age rating of 4+, making it suitable for a wide range of users.

### How often is Reaction Time Recorder updated?

The app was last updated on January 21, 2017, with version 1.0. No further update frequency information is available.

### Does Reaction Time Recorder have ads?

No, Reaction Time Recorder does not contain advertisements.

### Can I play Reaction Time Recorder offline?

The app requires two devices to be connected on the same Wi-Fi network to function, so offline play is not supported.

### What is the user sentiment for Reaction Time Recorder?

Based on available data, the app has a perfect 5.0-star rating from one review, indicating positive user sentiment.

### Is there a cost to download Reaction Time Recorder?

No, Reaction Time Recorder is available for free download on supported iOS devices.

## Version history (last 1 release)

### 1.0 — 2017-01-21

This app has been updated by Apple to display the Apple Watch app icon.

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## More apps by Ryan O'Connor

- [Clock and Timer](https://appshunter.io/ios/app/clock-and-timer/id1048672167)
- [Date & Time Widget](https://appshunter.io/ios/app/date-and-time-widget/id1133031799)
- [Live Camera Control](https://appshunter.io/ios/app/live-camera-control/id1177462660)

All apps by Ryan O'Connor: https://appshunter.io/developer/989567551

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*