Test your visual and auditory reflexes. Compare your speed against age-based averages and track your improvement over time.
Select a test mode below, enter your age for comparisons, then click Start. When the screen changes color (or you hear a sound), click or tap as fast as you can. For choice tests, only react to the correct stimulus (green color or high-pitched beep).
Click when the screen turns green
Click when you hear the beep
Click only for green, ignore blue
Click for high beep, ignore low beep