iOS Musician Apps (64) Supported Technologies is Audio Unit (AU), Type is Tool

The WoodStepper is a sequencer having both audio and midi out.

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

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

DigiKeys is an AUv3 compatible MIDI sequencer plugin for AUM or other AUv3 compatible host applications.

MIDI Strummer is an AUv3 plugin designed to simulate guitar strumming and picking techniques. It can used to generate MIDI note data which can be sent to either an external synth of choice or the internal soundfont engine.

7Xwave - a 7 track sample sequencer with synthesizer & animatable modulation features.

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

Wavescope is an Audio Unit Plugin effect that visualizes your audio in real-time.

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.

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

This is an AUv3 compatible Multi-Track Recorder plugin specifically designed for AUM and other DAW's that don't support audio recording capabilities.

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.

"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.

This is a AUv3 compatible analyser / tuner which can be used as plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand.

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

Binaural Location goes beyond the simple pan control; it allows you to place your audio at a specific location anywhere in a virtual space around the listener. The location of the L and R control points on the screen controls the location of two virtual speakers. Based on the angle and distance from the speakers to the listener's ears, the app creates a realistic impression that the sound is actually coming from the specific location of the L and R points.

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