Reaction Speed Test

Reaction Speed Test is a fast, fun, and addictive game designed to measure your reaction time, focus, and reflexes with high accuracy in milliseconds (ms). Inspired by Formula 1 start lights, the app gives you a countdown followed by a random start signal — your mission is simple: react as fast as possible and tap immediately!

Once the signal appears, your touch is recorded and your reaction time is calculated instantly. You can replay as many times as you want, track your improvement, and challenge yourself to reach lightning-fast reflexes.

This app is perfect for:

testing reaction speed

improving attention and concentration
training hand–eye coordination
gamers who want faster reflexes
Formula 1 and racing fans
competitive and casual players
athletes and e-sports players
brain training and reflex games lovers

⭐ Key Features

Measure reaction time in milliseconds (ms)
F1-style countdown and start signal
Simple, clean, and user-friendly design
Random timing to prevent guessing
Instant and accurate results
Warning if you tap too early
Practice mode to improve speed
Works offline, lightweight app

🎯 What you can improve with this app

reaction time and reflexes
focus and attention span
visual response speed
decision-making under pressure
competitive gaming performance

Whether you are a gamer, athlete, driver, student, or just curious about how fast your brain reacts, Reaction Speed Test gives you a fun and scientific way to measure and train your reaction time anytime and anywhere.