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First release: five modes to test your reaction time and train your aim. Start lights, color switch, aim trainer, sequence and peripheral vision. Honest timing from the real display time and the hardware touch stamp. Ranks, 12 badges, daily challenge, serverless duels. No account, no ads, works offline.
Honest reaction time test: racing start lights, color switch. No ads.
Zerotick is the aim trainer and reaction time test that measures honestly. Five modes train your reflexes, your aim and your eyes, and every number you see is the real time between the picture and your tap. No account, no ads, no data collection, and it works offline. FIVE MODES, ONE SCORE - Start Lights: five red racing start lights, then the lights go out. Tap as fast as you can. A tap below 100 ms counts as a false start, like in athletics. - Color Switch: the screen changes color, you tap. Pure reflex test. - Aim Trainer: 20 targets, your hit rate and your time. Every miss costs 150 ms, so sloppy tapping does not pay. - Sequence: tap the numbers 1 to 9 in order, as fast as you can. - Peripheral: look at the cross in the middle and tap the side where something appears. Trains your peripheral vision. HONEST MEASUREMENT - The stimulus time is the moment the picture was really drawn on the screen (on Android 13 and newer, the display time reported by the system). - Your tap is stamped with the hardware timestamp of the touch event. - If a frame reaches the display late, the delay reported by Android is added. If it is too uncertain, the attempt is repeated instead of showing you a wrong number. - The device check "Measurement chain" shows your refresh rate in Hz, dropped frames and the touch sampling rate, so you know what your phone can do. - Uses the highest refresh rate of your phone during tests, for example 120 Hz. RANKS, BADGES AND THE DAILY CHALLENGE - Climb through the ranks Rookie, Kart, Club, Pro, Elite and Pole. - 12 badges to collect. - The daily challenge is the same for everyone in the world (same seed), with 3 attempts per day and a streak that keeps you coming back. Free in all modes. - Local leaderboard with your own best times and your duel opponents. DUELS WITHOUT A SERVER Send the duel link "Beat my time" to a friend. Both play the same seed, so the comparison is fair. No server, no sign-up. The leaderboard on this phone covers you and your duel opponents. MADE FOR EVERYONE - Color blind mode with blue and yellow plus a ring around the target. - No ads, no account, no tracking. Everything stays on your phone. FREE AND PRO Free: Start Lights, Color Switch, the leaderboard, the daily challenge in all modes, accepting duels, and sending 1 duel per day. Zerotick Pro: Aim Trainer, Sequence and Peripheral modes, history with trend and consistency, unlimited duels. Monthly or yearly, the yearly plan with 7 days free. You can cancel any time in Google Play. Whether you want a quick reflex test on the bus, a daily aim trainer routine or a fair duel against a friend: Zerotick shows what your reaction time really is. Questions or ideas: info@saracai.de