Global, International Test of Reaction Speed Number 1.Test your reflexes and compare them with your friends and results around the world.MOST accurate test the reaction.The most optimal algorithm takes into account the uncertainty of work OS phones, iron.On-line real-time statistics. (Your results are not attached to the phone)Online leaderboard - the best response, better attempts, etc. (Total / for a certain period / among friends / results of all over the world).Live Achievements, classification, game points.Various modes: standard, professional, sound. Reaction on change of the picture or on sound.Local, detailed statistics on the local (only on the phone) users.The best reaction, the reaction medium, the best attempt, the number of measurements, and other parameters.Local leaderboard!The most powerful and flexible system of statistics!Classification of your results, the rate of reaction examples of famous athletes.Flexible settings, the ability to change the interface.Many additional features and settings, and more.Reaction test is a chance to find out what you can and compare the results with your friends and get rewards.Checking reaction is a good way to learn fast reflexes, speed of operation of the brain.The reaction speed in humans is a very interesting and important area of research. From the reaction rate depends on transport security, the reaction rate is important for operators of different systems, operators of nuclear power stations and other important objects. Speed of reaction is critical in team sports and martial arts.Our reaction test will help you to test your reaction with the greatest accuracy, thanks to a unique algorithm.