Christopher Wilms

An essential tool for musicians, this app trains your ears to recognize intervals and pitch. The app will play an interval and show you the first note …

Tap the screen in time with the beat of a song to quickly and accurately determine its tempo. Also provides an audio and visual metronome with a choic …

Create custom timed or untimed multiplication quizzes up to 12 x 12. Earn trophies as you progress!免費玩Multiplication Challenge: 12x12 APP玩免費免費玩Multipl …

You know how your toddler loves to play with your iPhone or iPad? Now he or she can learn colors, letters, numbers, shapes, and animals at the same ti …