iOS Musician Apps (283) Supported Technologies is Inter-App Audio (IAA), Type is Instrument

Phase84 is a phase distortion synthesizer.

This app is a portable multitrack audio and MIDI recording studio featuring virtual instruments, editing with unlimited undo/redo, mixing, real-time effects, automation and much more!

SidTracker64 is the ultimate chiptune production package tool for the iPad. It emulates the SID sound chip from the dominating home computer of the 80s - The Commodore 64.

Thanks to it's true VA synthesis engine, the use of analog-modelled non-linear filters and extensive modulation options, Flowtones sounds warmer and more analog than digital romplers and wavetable-based synths.

DRUMLAB brings a new approach to the Drum Machine by allowing you to play with both Samples & Synthesis drum sounds.

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

Backpack Studio allows you to easily create professional sounding,  studio quality recordings -  from anywhere in the world.

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

With this instrument you can transform any sound into a playable musical instrument via a technique known as Granular Synthesis.

Kauldron is a synth with new modeling technology, combined with features help you create aggressive synth sounds full of rich analog textures with the fewest knob tweaks.

Designed to deliver authentic dub sounds and effects, iTALIZER at it's heart is a monophonic synthesizer paired with an authentic tape echo emulation.

DM1 is an advanced vintage Drum Machine.

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

SoundScaper is an experimental sound mini lab for creating unusual soundscapes, atmospheric textures, drones, glitches and noises based on circuit bending principles.

Lorentz is not only a live-oriented analog modeling synthesizer, but also has a resonator that makes metallic and aggressive sounds.

A matrix-controlled arpeggiator designed to play with your thumbs.

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.