PixelWave!

PixelWave is an experimental synth with old school pixel interface. Key features: multitouch arpeggiator; it is possible to draw waveform and play it at the same time; export to WAV (via iTunes File Sharing); copy to pasteboard; nine predefined waveforms; changeable number of octaves (from 2 to 6); Low-Pass filter (smoothing); MIDI IN support; Audiobus and IAA support. Video: http://youtu.be/9B3jqsSyv8wAlso if you want to draw the spectrum of sound, check my other app - SpectrumGen.