Solve puzzles by arranging colored spheres on a 3D cube. Each side has a 3x3 grid with nine unique colors. Rotate and tilt the phone to manipulate the cube. Complete levels by ensuring all colors appear once per side.
by 小健 赵★ 5.01 ratingsEducationFreeData updated 2026-09-06
Take notes with customizable ink styles and pressure-sensitive strokes. Choose from various pen tools and colors. Record and sync audio with writing. Draw precise shapes and lines. Share notes directly.
Play with pencil and interface. Use Apple Pencil for writing and erasing. Auto-fill notes on demand. Solve puzzles with interactive solver mode. Add pencil marks and highlights. Check for errors with one click.
Solve algebraic with negative numbers. Manipulate physical pieces to represent variables and constants. Track progress through levels. Adjust equation difficulty. Receive instant feedback on solutions.
Solve puzzles by combining four numbers with arithmetic operations to reach 24. Users can customize difficulty levels, track progress, and challenge friends. Features include hints, a timer, and a variety of number combinations.
The app presents a puzzle game where players guide a cube across a grid to a target hole. Players must avoid falling off the platform, which restarts the level.
Calculate geometric properties such as perimeter, area, and volume for shapes including squares, rectangles, triangles, trapezoids, circles, cubes, cylinders, and cones. Input dimensions to get results. Export calculations as text.
Play with over 10,000 puzzles across 600+ levels. Choose from 11 variations of the classic game. Track progress through a to unite a kingdom and defeat an evil sorcerer. Solve puzzles to advance through islands.
The app offers one million free sudoku puzzles across five levels. It features three puzzle themes and tracks player statistics, allowing for competitive or relaxing gameplay.
Solve puzzles on grids with varying difficulty levels. Complete sections to collect trophies and unlock achievements. Track progress through quests and challenges. Play free with hand-crafted puzzles.
Create artwork with realistic pastel simulation using live-calculated brushes and strokes. Sketch or paint digitally, test compositions, and refine techniques without physical supplies. Save and share paintings directly.