Keezy Drummer - Make a beat in seconds
ReSlice - Slice your audio with an advanced, rhythmic arpeggiator and FX.
Melody ML - Easily separate audio tracks using machine learning
cassini - Polyphonic Synthesizer for iPhone/iPod touch
Holon - Functional music for everyday activities through spatial computing
nlog Synth - Professional Virtual Analogue Synthesizer ::: check nlogmusic at YouTube :::