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

ToneBoosters Compressor is an AUv3 plugin for mastering-grade compression and dynamics processing.

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

DrumPerfect Pro, the Human Feel Drummer for iOS.

Gestrument Pro takes everything we loved about Gestrument and improves on its original functionality while introducing a host of new features such as multi-touch, recordable automations, advanced scale editing and our unique system of highly tweakable modular generators that define the pitches and rhythms.

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

All the afro latin rhythms with the highest sound quality.

Navichord is a modern MIDI controller, working with software and hardware synths.

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.

SynthMaster One iPhone is KV331 Audio's first full blown synth app for iPhone. It's a powerful wavetable synth with an intuitive workflow. With its simple layout, rich wavetable/waveform content and inspiring factory presets library, designing new sounds with SynthMaster One iPhone is a joy.

The Optigan, short for Optical Organ, was a chord organ from the early 1970’s.

Expand your musical horizon by playing Arabic, Armenian, Balkan, Greek, Klezmer, Persian & Turkish sounds, scales and rhythms.

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

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.

Trapezoid is an amazing Hammered Dulcimer app for the iPad.

Experience playing the full, lush tones of a Dusty Strings D550 chromatic hammered dulcimer right on your iPad.

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.

Real time vocal processor + recording app.

Mic Room is a microphone modeling app for your iPhone or iPad.

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).