iOS Musician Apps (42) Supported Technologies is Inter-App Audio (IAA), Instrument Sounds is Other

Samplist is a MIDI Sampler Instrument which allows you to easily chop a sample into different slices.

Ribbons is an extraordinarily fun and expressive musical instrument for iPad.

Esoteric Synth is a unusual generator of synthetic sound events. The synthesis is based on 5 oscillators which are intersected through an multiple amplitude modulation and multiple frequency modulation making  an high sound variability. This App is suitable to generate complex sound textures, glitches, noises, sound clouds, sound drones, point sounds and more.

PolyHarp is a virtual musical instrument and a thought experiment. It's a testbed for harmonic theory as well as a great multi touch simulator of the good old "idiot zither" you have in the attic.

Hexaglyphics is a 13-bit noise generator with an interface based on an original alphabet for hexadecimal values.

Annoydio has a grid of pads which you can assign, manipulate, and play sounds.

Slice your audio samples with ReSlice and create flexible musical atoms which can be triggered by MIDI notes or the touch of your fingers.

Elsa is a retro style sampling keyboard with tempo based looping.

AutoPad is an app for musicians that allows you to play ambient pad loops.

Slice and sequence your loops with a matrix of markov-chain connections. Introduce order with the probability based coin-flipping pattern sequencer.

This synthesizer emulates male voice vowels in a unique way.

Backpack Studio allows you to easily create professional sounding,  studio quality recordings -  from anywhere in the world.

SoundScaper is an experimental sound mini lab for creating unusual soundscapes, atmospheric textures, drones, glitches and noises based on circuit bending principles.

Portable Music Production Studio : create beats, compose whole tracks, sample, record, sequence, perform, mix and arrange your own music.

Advanced field recorder combined with a sound warp engine and a collection of ready to use dynamic presets.

SidTracker64 is the ultimate chiptune production package tool for the iPad. It emulates the SID sound chip from the dominating home computer of the 80s - The Commodore 64.

Chameleon is an AUv3 compatible sampler instrument plugin for your favourite DAW.

iMPC Pro 2 for iPhone fuses innovative song creation with the MPC workflow.