A premium reflex challenge utility created by Rawal Energy. Challenge your inner circadian clock by trying to freeze the stopwatch exactly on your targeted count.
Select your target seconds, start the stopwatch, and try to stop it exactly on the mark!
Stop Timer is engineered with high frequency ticker loops for microsecond resolution checks.
Track your daily best scores. Save performance ratings and millisecond deviation values inside local storage profiles automatically.
Select predefined targets like 3.0s or 5.0s, or feed arbitrary fractions of seconds like 2.7s to practice different rhythm patterns.
No remote database tracking, zero advertising banners, and no logins required. Your reflex data runs 100% locally.
Download the production application package for Android. Unlock micro-vibrations, sound clips, and home widgets.