Measure reaction rateAbout this Measure reaction rateApp for reaction speed, reflex test and trainingTap the screen when a red square appearsShows measurements according to reaction speedDaily practice can train your strengthPractice to improve concentration too It's a possibilityRecommended for FPS players-like gamesShow more information in the latest version 2.8Nov 25 Oct 2024 updated. Minor bug fixes and improvements. Install or update to the latest version for preview!Show more