Simple Reaction Timer

How fast are your reactions?
Reaction Timer Free puts your reflexes to the test. Watch the start lights… when they go out, tap immediately. Chase a new personal best, share times with friends, and tweak the light colours to your style.

Why you’ll love it
• True reaction test — lights count down, then it’s all you.
• Fastest time tracker — your best is saved on device.
• “New Fastest Time” banner when you beat your PB.
• Share in one tap — WhatsApp, Messenger, and more.
• Custom colours — pick any light colour you like.
• Simple & clean — built for quick plays.