polychord (US$9.99) is a virtual instrument for making and creating keyboard / electronic-style music on the iPad. With its easy-to-use approach and layout, polychord makes it painless to get your head around the basics and start making some really lovely sounding and creatively inspiring music. Whether you're an expert musician looking to perform live or a novice, you'll find polychord engaging and fun.
There are two main components to playing polychord: chord circles and strum keys. There are nine Chord circles, each representing a chord that is derived from the musical key you've selected. Each chord circle has seven chord inversions around it, so you can play a variant of the root chord (minor, major seventh, augmented f