Audio Unit (AU) Tools (46)

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Audio Unit (AU) technology compatible musician tool list for iOS

CoVariant is an audio unit that turns a DC-coupled audio interface into a MIDI to CV converter.

Price $7.99
Author Alan Clifton
Type Tool
Supports Audio Unit (AU)
Released 03/10/2020
Updated 03/31/2020

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

Price Free
Author Kai Aras
Type Tool
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (1), current: 5 (1)
Released 01/11/2019
Updated 03/30/2020

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

Price $9.99 $7.99
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)
Rating total: 4.26316 (19), current: 4.26316 (19)
Released 10/21/2019
Updated 02/19/2020

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

Price $12.99
Author Woodman's Immaculate Maple Syrup Studio
Type Tool
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.22222 (9), current: 4.22222 (9)
Released 06/01/2019
Updated 03/30/2020

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

Price $6.99 $8.99
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)
Rating total: 4.42856 (7), current: 4.42856 (7)
Released 02/11/2020
Updated 03/14/2020

Piano Roll is a sequencer for iOS, and the first in our Atom series of modular sequencer plugins. Record, replay, loop and manipulate MIDI notes anywhere.

Price $4.99 $8.99
Author Victor Porof
Type Tool
Supports Audiobus, Audio Unit (AU)
Rating total: 4.25455 (55), current: 4.25455 (55)
Released 04/09/2019
Updated 04/12/2019

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.

Price $2.99 $4.99
Author Victor Porof
Type Tool
Supports Audio Unit (AU)
Rating total: 4.93333 (15), current: 4.93333 (15)
Released 01/21/2019
Updated 01/29/2019

"StepPolyArp Unit" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an Audio Unit MIDI effect plug-in.

Price $14.99
Author Laurent Colson
Type Instrument, Tool
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.7619 (21), current: 4.7619 (21)
Released 07/25/2018
Updated 03/19/2020

SynthJacker is an autosampler for iOS. It automatically plays back a MIDI sequence with the notes and velocities you specify, and records the results into an audio file. It then slices the audio into individual sample files, ready to import into an iOS sampler app of your choice.

Price $7.99
Author Conifer Productions Oy
Type Tool
Supports Audio Unit (AU)
Rating total: 4.81818 (11), current: 4.81818 (11)
Released 01/12/2019
Updated 10/09/2019

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

Price $5.99
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)
Rating total: 4.25 (8), current: 4.25 (8)
Released 09/23/2018
Updated 01/08/2020

Bark Filter is a Critical Band Analyser/Filter/Compressor.

Price $4.99
Author VirSyn
Type Effect, Tool
Effect type Equalizer, Filter, Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.85714 (7), current: 4.85714 (7)
Released 08/03/2017
Updated 08/11/2017

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.

Price $3.99
Author Bryce Hostetler
Type Tool
Supports Audio Unit (AU)
Rating total: 4.97297 (37), current: 4.97297 (37)
Released 06/13/2019
Updated 03/03/2020

Tube AU is a web video player audio unit plugin.

Price $9.99
Author Mani Consulting Limited Company
Type Tool
Supports Audio Unit (AU)
Rating total: 4.28 (25), current: 4.28 (25)
Released 07/09/2019
Updated 03/12/2020

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.

Price $11.99
Author apeSoft
Type Tool
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.80645 (62), current: 4.80645 (62)
Released 07/04/2018
Updated 03/04/2020

MIDI SWEET: MIDI Monitor2 (AU) is a MIDI monitor application.

Price $2.99
Author Jens Guell
Type Tool
Supports Audio Unit (AU)
Rating total: 5 (2), current: 5 (2)
Released 01/16/2020
Updated 02/24/2020

Poly 2 is a generative sequencer that creates evolving patterns and melodies based on the power of polyrhythms.

Price Free
Author James Milton
Type Host, Tool
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.89063 (64), current: 4.89063 (64)
Released 10/12/2019
Updated 02/16/2020

cykle is an innovative, semi-generative melodic step sequencer for iOS that is based around the concept of sequencing individual musical parameters (such as pitch, velocity, length, transposition, etc.) independently, by way of decoupled sequencer lanes.

Price $7.99
Author Corne Driesprong
Type Tool
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 5 (11), current: 5 (11)
Released 09/20/2019
Updated 02/14/2020

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.

Price $4.99
Author John Nastos
Type Instrument, Tool
Instrument type Sampler
Instrument sounds Other
Supports Audio Unit (AU), Ableton Link
Rating total: 4.95238 (21), current: 4.95238 (21)
Released 05/16/2011
Updated 02/12/2020

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

Price $11.99
Author Audeonic Apps
Type Tool
Supports Audio Unit (AU)
Rating total: 4.22222 (9), current: 4.22222 (9)
Released 09/22/2017
Updated 02/11/2020

StreamByter is a plugin for creating custom MIDI effects.

Price Free
Author Audeonic Apps
Type Effect, Tool
Effect type Other
Supports Audio Unit (AU)
Rating total: 5 (8), current: 5 (8)
Released 07/26/2018
Updated 01/30/2020
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Did you know?

Audio Units (AU) is an audio plug-in technology built in Apple's macOS and iOS operating systems. Initially developed for desktop operating systems along with VST (Virtual Studio Technology by Steinberg GmbH), it available now for iOS too. AU apps (plug-ins) can modify sound pitch, sample rate and stream over network, produce signal.