ZeroIn vs Timer Challenge

ZeroIn is a stopwatch reflex game: the clock runs and you stop it exactly on target. Sounds easy — until the timer disappears. 300+ LEVELS • Visible clock, vibration beats, fully blind timing and countdowns • Vanishing digits that show for two seconds, then fade away • Math targets: if it's 3 × 2, stop the clock at 6.00 • Time estimation: feel 7.35 seconds without seeing a single digit TEST YOUR REACTION TIME Every stop is measured in milliseconds. Earn up to three stars, chase gold (under 10 ms) and unlock new START buttons with your points. ONLINE REFLEX DUELS • Real-time tables with up to 12 players • Invite friends with a link and rematch in seconds • Climb the global ranking and the monthly season MONTHLY SEASONS The top three of every season win a champion frame and a full month of ZeroIn Pro. BOOSTERS Second Chance, Slow-Mo, Reveal Timer and Second Buzz help you through the toughest levels. DAILY REWARDS Come back every day for lives, boosters and bonus stars — and save your streak if you miss a day. ZeroIn Pro: no ads, unlimited lives, double star points and the Black Hole button.

How precisely can you stop on the target? Timer Challenge is a timing game played with one big red button. Press once to start the clock, then press again at the target moment. No account or sign-in is required. Solo • Show or hide the running timer • Choose a target from 1.00 to 5.00 seconds • Retry the same target until you hit it exactly • Record how many attempts success took Party • Play with 2–10 people on one iPhone • Compete to hit the target exactly • Or let the closest time win • Replay ties with only the tied players Completed Solo wins and Party winners are stored only on the iPhone and can be deleted in the app at any time. The app contains advertising. Depending on the region, an advertising privacy choices message may be shown.