iOS Musician Apps (320) Supported Technologies is Inter-App Audio (IAA), Type is Instrument

Hook is a new music performance, mashup, and DJ app for iPhone and iPad.

Tardigrain is a granular synthesizer. Sounds are created by taking smaller fragments of a sample and playing them back in a non linear fashion, with settings for grain size, direction, step size and more.

This application is much more than just a metronome, is a flamenco drum machine with stereo sound and percussion instruments.

Syntronik is IK’s cutting-edge synthesizer that features the sound of the most iconic machines to ever grace the planet.

Celtic Sounds is a fully transposable MIDI sound module with five traditional Irish musical instruments.

GSi VB3m simulates the famous american tonewheel organ better known as the Hammond Organ B3.

Respiro Wind-Synth for iOS is a free standalone app (IAA) and AUv3 plugin synthesizer giving you access to six fully functional wind instruments for your device.

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

Guitarscaper is a guitar sampler.

DrumJam is a whole new world of percussion and drums for the iPad, iPhone and iPod touch.

This intuitive virtual instrument features a super responsive  fingerboard that plays and sounds like the traditional instrument in the most common two-row tunings of B/C, C#/D, and D/G, as well as an extended B/C+ layout with four chromatic buttons on a partial third row.

SDS-x is a "nine pads" style drum module that lets you easily use samples alongside your drum kit.

Even if you've only played air guitar, ThumbJam lets you sound like a pro.  Pick an instrument and jam - with all the scales to choose from you'll never hit a wrong note.

Pixound provides a deep musical experience that lets you instantly create music using any picture.

Automatic song generation, flexible song editing.

With a library of editable patterns, loops, and fills, Drum Session is a very fast, simple way to put together a complete drum track.

Shape is a polyphonic synthesiser allowing the user to draw the shape of the oscillator waveform.

RMX-1000 for iPad is a tactile iPad app that lets you add high-quality FX to tracks in your iTunes library.

You found it! Drum Beats+ is the metronome app that improves your timing using great sounding drum beats, not a boring click.

SKIIID is a new drum-synthesizer with 4 expressive pads and the possibility to morph between them.