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

Real time vocal processor + recording app.

ArpBud 2 is a MIDI Arpeggiator app where you can create unique arp patterns and be able to arpeggiate your favorite software or hardware synthesizers.

VocaLive offers singers and vocalists a suite of real-time professional vocal effects along with a recorder/DAW for studio quality sound (via in-app purchase), a looper for creative vocal experimentation (via in-app purchase), plus the ability to re-mike the input microphone with the Mic Room feature to add the sound and color of coveted studio microphones, all in a portable package (via in-app purchase).

Real time vocal processor + recording app.

Chordy 2 is a chord player app for music creators.

DrumPerfect Pro, the Human Feel Drummer for iOS.

Ravenscroft Grand is a piano sampler.

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

Luminair 3 is a professional-grade lighting control app, exclusively for iOS, that gives lighting designers, filmmakers and TV professionals, musicians, artists and other enthusiasts advanced control over DMX-enabled lights, as well as the next generation of "Smart" lights like Philips Hue.

GarageBand is a DAW by Apple.

Sing a beat and have it automatically and instantly converted to a drum machine beat!

This audio effect is an advanced de-esser with an intuitive user interface.

Up to eight pitch shifted voices are created from vocal input or instruments.

Instantly following even subtle modulations of pitch and spectral changes of your voice VoxSyn Pro creates signature vocal sounds far beyond traditional vocoding.

Back in the “old days”, producers and engineers created delay and echo effects using tape machines. Tap Delay combines the warm sound of vintage tape echo machines with a modern, step sequencer-like tapped delay engine which continues the tradition of the tape echo machines into the 21st century.

Multieffect Audioprocessor. Seven studio quality effect modules for live usage and to enrich your iTunes music library.

Xynthesizr is a streamlined yet capable 32-step matrix sequencer/monotimbral synthesizer with generative features and MIDI.

Sonic texture generator / blur / non-linear reverb

apeDelay - spectral Delay implements up to 2048 delay lines with feedback or up to 2048 Brick-wall filters.