FLX: Reaction Time & Reflex v1.0
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About this app
Test your reaction time and sharpen your reflexes with a fast-paced challenge!
FLX: Measure and improve your reaction time and precision in a simple, addictive number-based reflex game inspired by real cognitive science. No daily grind—quick sessions are all you need to see improvement.
🚀 FEATURES
• Fast-paced 3-choice reaction test (3CRT)
• Millisecond-accurate timing for precise measurement
• Track your progress
• Global leaderboard – compare with friends and players worldwide
• Simple, clean design focused on speed and performance
• Works offline – play anywhere
🎯 PERFECT FOR
• Gamers wanting faster aim and decision-making
• Athletes training reaction speed and focus
• Brain training and cognitive performance tracking
• Anyone curious about testing and improving their reflexes
📊 SCIENCE-BASED
FLX is inspired by the Three-Choice Reaction Time Test (3CRT), used in neuroscience, psychology, and sports science to measure brain processing speed, coordination, and attention.
🕹 PLAY YOUR WAY
Switch between text or audio-only modes to strengthen brain connections and push your reflexes to the limit.
🌍 MULTILINGUAL CHALLENGE
Getting too fast? Try the game in another language!
English, French, Spanish, Portuguese, German, Russian, Japanese, Chinese, Hindi, and Arabic — all in one app.
Master them all!
📈 NO REGISTRATION – START NOW
How fast are you really? Download FLX for free and find out.
*Bluetooth may cause audio latency and is not recommended.
🚀 FEATURES
• Fast-paced 3-choice reaction test (3CRT)
• Millisecond-accurate timing for precise measurement
• Track your progress
• Global leaderboard – compare with friends and players worldwide
• Simple, clean design focused on speed and performance
• Works offline – play anywhere
🎯 PERFECT FOR
• Gamers wanting faster aim and decision-making
• Athletes training reaction speed and focus
• Brain training and cognitive performance tracking
• Anyone curious about testing and improving their reflexes
📊 SCIENCE-BASED
FLX is inspired by the Three-Choice Reaction Time Test (3CRT), used in neuroscience, psychology, and sports science to measure brain processing speed, coordination, and attention.
🕹 PLAY YOUR WAY
Switch between text or audio-only modes to strengthen brain connections and push your reflexes to the limit.
🌍 MULTILINGUAL CHALLENGE
Getting too fast? Try the game in another language!
English, French, Spanish, Portuguese, German, Russian, Japanese, Chinese, Hindi, and Arabic — all in one app.
Master them all!
📈 NO REGISTRATION – START NOW
How fast are you really? Download FLX for free and find out.
*Bluetooth may cause audio latency and is not recommended.
Version Information
- Version
- 1.0
- Downloads
- 1K+
- Updated on
- Oct 6, 2025
- Released
- Oct 6, 2025
- Requires
- Android 7.0
What's New
Version 1.0.35
Ratings & Reviews
Developer Response