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

Ravenscroft Grand is a piano sampler.

DrumPerfect Pro, the Human Feel Drummer for iOS.

Chordy 2 is a chord player app for music creators.

Real time vocal processor + recording app.

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).

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.

Real time vocal processor + recording app.

Just a Toy Synthesizer. Included: 2 Oscillators, LPF, Delay effector, Ribbon controller.

KQ MiniSynth is a polyphonic modular synthesizer.

Kuvert allows you to draw envelopes to control different effect parameters.

iFretless is a guitar fretboard re-designed for maximum playability on iOS devices.

iFretless Brass enables guitar and string instrument players to play expressive music with a variety of instruments.

This audio effect filter is a hybrid between a simple reverb and a very complex delay.

This is the app for guitar, bass, and strings players who need realistic woodwind instrument sounds for recording or live performance.

iFretless Bass is a professional virtual instrument that provides bass and guitar players with an expressive fretless playing surface.

Meet Aimée, your personal, artificially intelligent built-in assistant composer, she's ready to help you compose great music, adding her vast knowledge about music theory to your creativity.

Lagrange synthesizer has two oscillators, a noise generator and two filters that can be selected from various algorithmic models.

Kronecker is a synthesizer with a mechanism to make sounds many times like a rhythm machine each time you press a keyboard.

Mersenne is a melodic percussion synthesizer that combines two FM synthesis modules, a noise generator and a resonator.

Redshrike is a polyphonic synthesizer that combines a resonator designed to make more complicated sound creation and subtraction synthesis with an FM oscillator that creates violent distortion.