Developer's DescriptionBy HackmanMeasure your reaction time to the nearest millisecond.Measure your reaction time to the nearest millisecond.A novel hold-and-release system combined with trials is used.* How to use *To begin, press and hold your finger to the screen.When the screen turns green, lift your finger up as fast as you can.Complete a total of 5 trials to get a final average of your reaction time.No lifting early! Lifting early causes your current run to be reset.