Speed Test Reflexes vs Reflex

How fast are you? Speed Test Reflexes measures your reaction time and shows where you rank in the world. 【Measure - the flagship】 Tap the moment it turns green and get your reaction time with a world percentile ("Top 8%") from the very first try. Choose single-best or a 5-attempt average. 【Share your result】 Turn any result into a bold card and challenge your friends - "Can you beat me?" 【Global rankings】 Submit your best to Game Center and see how you stack up against players worldwide. 【More ways to play】 • Buttons - multi-touch grids (3x3 / 4x4 / 5x5) • VS - 2-player head-to-head 【Built for everyone】 • Japanese / English • iPhone / iPad • Play offline (rankings sync when online) Train your reflexes. Beat the world.

How fast are you, really? Reflex measures your reaction time with 8 unique games designed to test speed, precision, and hand-eye coordination. STREET LIGHT Inspired by F1 race starts. Watch the lights count down, then tap the instant they go out. Your reaction time is measured to the millisecond. SQUARE CHASE A 5x5 grid lights up one tile at a time. Tap 10 colored squares as fast as you can. Every millisecond counts. AIM TRAINER A full 3D first-person target range. Drag to aim, tap to shoot, and rack up points before time runs out. Adjustable sensitivity and customizable crosshair colors. COLOR CHOOSER A color swatch appears — tap the matching shade exactly. Tests visual discrimination and rapid color recognition. COLOR MATCH The word says one color, but the ink is another. Tap the ink color, not the word. A classic test of cognitive speed under pressure. EMOJI MATCH A grid of emoji — find and tap the matching pair before the clock runs out. Simple premise, surprisingly demanding. SLIDERS Three sliders move at different speeds. Tap each one when it hits the target zone. Tests timing precision and multi-tasking. TIME STOP A timer counts up — tap to freeze it exactly on target. Pure precision. Zero margin for error. TRACK YOUR PROGRESS Best times and high scores are saved locally. See your personal bests right from the main menu and push yourself to beat them. Clean, distraction-free design. No accounts required. Just open and play.