Reaction Test Pro is a lean, mean competitive tool designed for one thing: proving you’re faster than your friends. It’s a minimalist app that focuses on raw data and immediate feedback. The different tests—ranging from simple color changes to audio cues—provide a comprehensive look at your neurological processing speed. It’s the kind of app that starts a fight at a party within five minutes of opening it.
As an expert, I appreciate the calibration and anti-cheat measures included. The app accounts for touch latency, giving you a more 'true' reading of your reaction time. The 'Pro' version offers detailed statistics and graphs so you can track if your coffee intake or lack of sleep is actually affecting your performance. It doesn't have flashy graphics or a storyline, but it doesn't need them. It’s a precision instrument for the competitive-minded gamer.
Available on: iPhone, iPad, iPod
Version 5.2Sun Sep 24 2023
Updated for iOS 17
Welcome to the Top Reaction Test App on the App Store! Measure your reaction times to the microsecond and compete with your friends and others around the world in a series of exciting mini-games designed to push your skill to the edge.
Games include:
- Race Lights-Out
- Whack-a-dot
- Colour change
- Ruler drop
Game Center allows you to challenge friends and take your place on global leaderboards - giving you that ultimate flex.
Requires iOS 15.0 or later. Compatible with iPhone, iPad, and iPod touch.Welcome to the Top Reaction Test App on the App Store! Measure your reaction times to the microsecond and compete with your friends and others around the world in a series of exciting mini-games designed to push your skill to the edge.
Games include:
- Race Lights-Out
- Whack-a-dot
- Colour change
- Ruler drop
Game Center allows you to challenge friends and take your place on global leaderboards - giving you that ultimate flex.









Reaction Test Pro is a high-precision tool used by gamers and athletes to measure and improve their reflex speeds. The app features five distinct testing modes, including color-change, sound-cues, and multiple-choice reaction challenges. With a globally synced leaderboard, you can compare your reaction times with thousands of others. The app provides in-depth analytics, allowing you to see your average, best, and worst times over various sessions to track your improvement over time.
Millisecond-perfect precision
Detailed statistics and graphs
Global high score leaderboards
Ad-free 'Pro' experience
Rest your finger lightly on the screen or hold it just a millimeter above the glass to reduce physical travel time. Focus on the center of the screen and try to enter a 'flow state'.
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Choose between the standard 'Red to Green' test, the 'Sound' test for auditory reflexes, or the 'Random' mode which tests your ability to react to unpredictable patterns.
Anything under 200ms is considered excellent, while the world's top gamers often hit between 150ms and 180ms.