Practice questions with over 2600 categorized problems and detailed explanations. Track progress, compare scores with others, and select between practice or modes. Set question categories and customize preparation sessions.
Tap or swipe glowing numbers from least to greatest to earn points and extra time. Complete rounds for bonus time. Choose from Easy, Medium, and Hard levels. Compete on Game Center leaderboards and unlock achievements. Syncs with Apple Health.
This app provides practice for reaction time, typing speed, and spatial cognition. It is a tool to improve hand-eye coordination by pressing the correct number displayed on the screen.
