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

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

MIDI Tools is a suite of AUv3 MIDI audio units for iOS that lets you manipulate the MIDI messages inside your DAW’s effects chain, creating complex or otherwise impossible MIDI routings or effects.

MIDI Tape Recorder is an open source Audio Unit v3 plugin with a radically different approach towards MIDI recording.

ToneBoosters Spectrogram shows a real-time spectrogram of the incoming audio signal. The ToneBoosters Spectrogram app captures the microphone input and processes the signals in real time.

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

MusiKraken is an Experimental MIDI Controller Construction Kit. Make music using your hands, face, voice or by rotating the device!

The Red Rock Sound SA60 real time 1/3 octave Spectrum Analyser combines ease of use, accuracy and versatility in one economical, reliable unit. Interface is modelled on classic DN60 spectrum analyser, originally developed in 1980.

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.

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

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

A2M detects the pitch of the audio and converts it into the corresponding MIDI notes in real time. Thanks to this, you can play, e.g., the guitar, saxophone, or even sing, and simultaneously trigger sounds in virtual instruments (not only AU). These acoustic (or electric) instruments, or your voice, act as a MIDI controller.

The Cardboard MIDI Footswitch is a simple and cost-effective way of creating music and control MIDI using your smartphone.

The Cardboard MIDI Pedal is a simple and cost-effective way of creating music and control MIDI using your smartphone.

This application is simply a container for the Audio Unit and also serves as the documentation for the AU. PhaseDelayArray is a bit of a strange effect. O.K, so, what is it? PhaseDelayArray has three effect units chained together in an interesting configuration, and one of these units is just a little bit twisted.

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

Dadachron is a standalone 12 track MIDI Step Sequencer to control all 12 outputs of your dada machines automat controller. Simply plug in your iPad to the automat via USB MIDI and start triggering notes, it works plug and play.

Web Audio Player is an audio unit plugin that allows you to route audio streams from a wide variety of web-based sources into an audio unit host.

OSCILLOSCOPE & SPECTROGRAM is an audio analyzer app and audio unit plugin.

Visual Mixer is an audio unit plugin that puts the volume and pan controls for all your tracks together into one simple interface.

Velocity Filter is the way to make all your synthesizer patches respond to MIDI velocity in a natural and musical way.