iOS Musician Apps (567) Supported Technologies is Audio Unit (AU)

Play any synth or virtual instrument with your trusted old guitar, or record notation by playing it.

Song Memo is the easiest way to take notes of your song ideas. The chord keyboard of Song Memo allows you to write chord progressions more quickly. Chords are automatically detected while you are taking a note.

Xequence AU | Keys is a comprehensive and expressive keyboard controller for use inside AU (Audio Unit) hosts. It features the same, widely acclaimed keyboard that users of Xequence, our advanced MIDI workstation, have grown to love.

Xequence AU | Pads is an expressive and fully editable (drum) pad surface for use inside AU (Audio Unit) hosts. It features the same, widely acclaimed pad editor that users of Xequence, our advanced MIDI workstation, have grown to love.

This is a very simple yet powerful iOS app that performs as a polyphonic audio synthesizer.

CuSnP is a sympathetic string simulation. Input audio excites the strings and causes them to resonate much like the open strings on a piano will resonate when some other sound source excites them.

LRC5 is a five-band EQ. It includes low shelf, high shelf, and three parametric peak/cut filters.

Does the World need another MIDI Monitor? We thought so, and it's free, so you have nothing to lose to add this handy little utility to your app collection.

mfxConvert is a plugin for converting MIDI events in real time. It can be used for simple channel, note or controller remaps. However, it can also handle sophisticated conversions of event types, for example pitch bend to controller or note velocity to channel pressure.

Some of the most commonly used MIDI manipulations in one handy package. This is MidiFire's Channel Strip module in AUv3 format.

This is a natural sounding reverb audio effect.

MIDISpy - MIDI Monitor. A handy little utility for monitoring MIDI connectivity.

Metronomics is not only a metronome, but a tool designed to help build a solid sense of time and rhythmic security.  It's a new kind of metronome -- use Metronomics to generate random patterns, sequenced grooves, or a combination of both to help you practice with more than just your typical click track.

Aparillo is an advanced 16 voice FM synth tailored for complex sound structures , majestic motions, moving and evolving soundscapes and atmospheres that are perfect for film, TV or games.

"QuantiChord" is a MIDI effect that generates chords from incoming notes and quantizes the results to a pre-defined scale. It can be used as a standalone application or as an Audio Unit MIDI effect plug-in.

AUv3 Midi sequence generator which generates musical evolving sequences  that you can further automate or modulate via midi.

Harmonizr is a vocal harmonizer offering a unique and fun user interface.

Ferrite is an app you need for creating podcasts, radio journalism, or other professional voice production work — lectures, speeches, voiceovers and more.

Ribn is a MIDI controller with 8 assignable ribbons. What makes Ribn unique is its ability to record and loop your finger movement.

Physicles is a container of physics-based Audio Unit MIDI plugins. These AU MIDI plugins generate MIDI messages through the use of an underlying physics engine, which models the physical interactions between various entities.