RecordGram - A studio and production marketplace in the palm of your hand
ReSlice - Slice your audio with an advanced, rhythmic arpeggiator and FX.
SoundBetter - Marketplace for musicians and music production professionals
cassini - Polyphonic Synthesizer for iPhone/iPod touch
Soundsnap - Shutterstock for sound effects
nlog Synth - Professional Virtual Analogue Synthesizer ::: check nlogmusic at YouTube :::