iOS Musician Apps (47) Supported Technologies is Inter-App Audio (IAA), Instrument Sounds is Other

The new Version 3 of dreamSTATE's multimedia iAlbum of ever-changing ambient music and urban ambient art can now be used by both Listeners and iMusicians

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

Pianoscaper is a generative music app and virtual instrument that’s easy on the ears and fun to play.

PixiTracker 1BIT is a simple and fun tool to quickly create musical sketches, chiptunes and experiments with TRUE 1-BIT SOUND (like on old microcomputers).
No musical knowledge required.

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.

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

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

Slow down music, choose the perfect pitch, and learn to play by ear.

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

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

Bebot is a musical instrument that anyone can play. Instead of a keyboard, it has an easy-to-use touch control system.

Droneo is a synthesizer which drones with various timbres and precise intonations that blur the distinction between tones, timbres and chords. Its drone is great for meditation, centering, and calming,  walking and biking, but also can be set up for discordant noise and insect-like buzzing and chirping.

Slow down music, choose the perfect pitch, and learn to play by ear.

Play your favorite songs in their original sound using your iPhone or iPad. It's a whole new experience in learning songs.

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.

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.

Mixvibes introduces the perfect remix toolbox: lay down samples on a grid of pads and tweak them in seconds.

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

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

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