Auxy Music Studio - Auxy brings real music creation to iPhone in a simple and inspiring format.
keezy - A colorful soundboard. Play with music.
cassini - Polyphonic Synthesizer for iPhone/iPod touch
SoundGrail - SoundGrail Music App designed for pianists, guitarists, and DJs.
zMors Modular - Full featured modular synthesizer for iOS
Figure - Propellerhead creates world-class software products and services that inspire music makers and provide the foundation for a worldwide creative musical community.