ABCmouse

The most comprehensive early learning app on the market covers reading, math, science, art, and music across a structured 10-level curriculum for ages 2-8. ABCmouse has over 10,000 learning activities — puzzles, games, books, songs, and animations — mapped to a clear learning path. The progression system gives kids tickets and rewards for completing lessons, which they spend on decorating a virtual classroom. Used by over 35 million children and adopted by thousands of schools and libraries.