iOS Musician Apps (503) Supported Technologies is Inter-App Audio (IAA)

Cycle is a time lag accumulator - a musical system that repeats the notes you play over and over until they gradually fade into silence.

LCW-2 mono is a little complicated synthesizer based on ToyTone and implements several experimental functions.

AudioKit Synth One is a completely free & open-source professional iOS Synthesizer. 

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

Modulin is a customizable synthesizer. It allows for unique personal expression while providing a wide spectrum of visual feedback.

Jamzone transforms your Apple device into a live rehearsal studio. Choose your favorite song to jam along to from hundreds of the most popular.

Program Changer is a super simple tool to send and receive MIDI Program Changes.

Make and share music in seconds. Simply tap to RECORD, PLAY and SHARE with music makers all over the world.

Wotja X is a new cross-platform interface for the 'Wotja Generative Music System'.

Automatic song generation, flexible song editing.

Play along or record your own songs with the best studio drummer in the world.

Free iPad instrument featuring the classic sounds of famous 80s FM Synthesizers.

Built for Live performance and hands free use, Quantiloop recreates the simplicity of a hardware loop pedal in an iOS app.

Groovebox is a free music studio app packed with synths and drum machines.

LoAdKer is a novel rhythm event generator that is based on fractal sequences.

BAND BOY will absolutely help you practice instruments in lots of ways.

Knob Lab is a powerful MIDI controller for iOS devices.

GarageBand is a DAW by Apple.