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About Reaction Time Test
Test your reaction time in ms. Visual, audio, choice & moving-target modes
How fast are your reflexes? Tap the moment the screen turns green and see your reaction time in milliseconds.
• 4 modes: visual, audio, choice reaction and moving target
• Average of 5 tries, best time and your rank (S–D)
• See your "top X%" for your age group
• False-start detection and touch-down timing for fair results
• Daily best, personal best, streaks and history chart
• Share your result and challenge friends
* Age-group guides are rough estimates. Screen and audio latency vary by device.
What's new in the latest
Last updated on Oct 2, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Videos and Screenshots
Reaction Time Test APK Information
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One-click to install XAPK/APK files on Android!