Sum Fun - A fun number puzzle game for iPhone and iPad.
NumberDrop - A uniquely challenging math puzzle game.
Numbily - Free Math Game - Train your brain in a easy free math game! Improve your math skills!
HoDoKu - HoDoKu is a sudoku helper written in Java and available in English and German.
Math Master - Brain Quizzes - Math Master is a free math quiz game designed for all ages!
Minimal Sudoku - Minimal Sudoku is an easy to use, clutter-free classic sudoku game which is designed for iOS 7.