iOS Musician Apps (69) Supported Technologies is Audio Unit (AU), Type is Tool

SnakeBud is a 16-step AUv3 MIDI Sequencer with a 4x4 grid. You can set the note, gate, velocity and probability values for each step and you can also toggle them on/off.

LoopBud is a super simple yet very powerful MIDI recorder and looper.

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.

RhythmBud is a MIDI effect application that would transform incoming MIDI messages into the rhythmic pattern you will create on its editor.

StepBud is a MIDI Sequencer with Audio Unit AUv3 plugin, Audiobus and Ableton Link.

ScaleBud is a music theory tool for composers, artists and learners. It has more than 40 most popular scales and counting.

A streaming sound palette for experimental musicians, sound designers and artists. Includes over 40 preset randomized Internet audio streams.  

The music theory reference tool for musicians of all skill levels. Tonality allows you to view and listen to a large database of piano chords and scales and features a chord-recognition tool that can identify chords you play on your instrument.

RouteMIDI, in conjunction with a DAW such as Garageband, will allow you to create tracks that will use any of your external MIDI synthesizers for that track, as alternate to instruments etc. built into the DAW.

Mozaic runs inside your favorite AU MIDI host, and gives you practical building blocks such as LFOs, pre-fab GUI layouts, musical scales, AUv3 support (with AU Parameters, transport events, tempo syncing, etc.), random generators and a super-simple yet powerful script language.

auSCOPE X is the Smart Audio Oscilloscope that lets you see your sound. Its Two Channel Design lets you look at stereo audio waveforms in real time in pixel-accurate resolution.

You can think of auGEN X in two ways:  first, it is a handy utility for making audio test sounds, and second, it is a performable creative sound design tool.

Gatelab is a creative gate sequencer, volume Modulation generator and beyond.

Camelot is a live performance & production tool connecting Hardware & Software Musical instruments to a single management system.

MidiFire is a free-form, modular AUv3 MIDI effect host, CoreMIDI router, processor, monitor and clock source from the makers of MidiBridge.

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.

StreamByter is a plugin for creating custom MIDI effects.

midiDREAMs is a MIDI AUv3 sequencer plugin designed to work like a classic analog-style modular sequencer with 16 virtual sliders and up to 64 steps per pattern.

midiSTEPs is a powerful and fun MIDI step sequencer app that sends MIDI note and CC messages to other music apps and external synthesizers.

apeMatrix is a unique AU/IAA routing tool that gives you total control over what you want to do and how you want to do it.