Reflexo

How fast are your reflexes? Reflexo is a clean, addictive reaction-time tester that measures exactly how quickly you respond — down to the millisecond. The rule is simple: tap to start, wait while the screen is red, and the instant it flashes green, tap as fast as you can. Your reaction time is shown in milliseconds. Tap too early and the round doesn't count — timing and patience both matter. Reflexo keeps track of your personal best and the number of rounds you've played, so you can watch yourself get sharper over time. Chase a new record, challenge friends to beat your score, or just use it to wake your brain up. WHY YOU'LL LIKE IT • Millisecond-accurate reaction timing • Saves your best time and total games played • Bold, minimal red design that's easy on the eyes • Instant haptic feedback on every tap • One-handed, portrait-friendly, no learning curve 100% OFFLINE & PRIVATE • Works completely offline — no internet connection needed • No ads, no sign-up, no accounts • No permissions required • No data collection — your scores stay on your device PERFECT FOR • Gamers warming up before a match • Drivers, athletes, and anyone curious about their reflexes • Quick brain breaks during the day • Friendly "who's faster" challenges A clean reflex test that takes seconds to learn and keeps you coming back. Download Reflexo and find out how fast you really are.