Audio Unit (AU) Tools (65)

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

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 $5.99 $3.99
Author Bryce Hostetler
Type Tool
Supports Audio Unit (AU)
Rating total: 4.97959 (49), current: 4.97959 (49)
Released 06/13/2019
Updated 11/30/2020

Now available as an Audio Unit extension (AUv3) allowing it to act as a powerful MIDI sequencer and clip launcher.

Price Free
Author Imaginando Lda
Type Tool
Supports Audio Unit (AU)
Rating total: 4.02116 (189), current: 4.02116 (189)
Released 03/04/2015
Updated 11/30/2020

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 $3.99 $5.99
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)
Rating total: 3.63636 (11), current: 3.63636 (11)
Released 09/23/2018
Updated 10/28/2020

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 $6.99 $9.99
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)
Rating total: 4.15 (20), current: 4.15 (20)
Released 10/21/2019
Updated 08/27/2020

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.

Price $0.99 $4.99
Author Cem Olcay
Type Tool
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.42856 (7), current: 4.42856 (7)
Released 08/06/2020
Updated 11/13/2020

With sEGments slicer/sampler app you can Import any loop/sample/audio file and find the best samples inside it, using the automatic transient detection or manually adding markers.

Price $5.99 $9.99
Author Elliott Garage
Type Instrument, Tool
Instrument type Sampler
Instrument sounds Other
Supports Audio Unit (AU)
Rating total: 4.71429 (63), current: 4.71429 (63)
Released 06/26/2020
Updated 10/05/2020

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: 4.05263 (38), current: 4.05263 (38)
Released 07/09/2019
Updated 11/25/2020

Design your own custom MIDI controllers and send MIDI messages to other apps & hardware.

Price $8.99 $3.99
Author Sergi Miral
Type Tool
Supports Audio Unit (AU)
Rating total: 3 (1), current: 3 (1)
Released 09/11/2020
Updated 09/11/2020

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

Price $0.99 $4.99
Author Cem Olcay
Type Tool
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.54545 (11), current: 4.54545 (11)
Released 11/06/2019
Updated 08/21/2020

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

Price $0.99 $4.99
Author Cem Olcay
Type Tool
Supports Audiobus, Audio Unit (AU)
Rating total: 4.72727 (22), current: 4.72727 (22)
Released 08/04/2018
Updated 11/17/2020

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

Price $0.99 $4.99
Author Cem Olcay
Type Tool
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.4 (25), current: 4.4 (25)
Released 04/12/2019
Updated 11/19/2020

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 $4.99 $8.99
Author Conifer Productions Oy
Type Tool
Supports Audio Unit (AU)
Rating total: 4.83333 (12), current: 4.83333 (12)
Released 01/12/2019
Updated 09/11/2020

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

Price $5.99 $8.99
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)
Rating total: 4.61538 (13), current: 4.61538 (13)
Released 02/11/2020
Updated 11/11/2020

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 $4.99 $7.99
Author Corne Driesprong
Type Tool
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 5 (15), current: 5 (15)
Released 09/20/2019
Updated 11/19/2020

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

Price $2.99 $1.99
Author Casey I.T. LLC
Type Tool
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.42856 (14), current: 4.42856 (14)
Released 06/08/2018
Updated 12/27/2018

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.

Price $5.99 $7.99
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)
Rating total: 4.6875 (16), current: 4.6875 (16)
Released 09/25/2020
Updated 11/13/2020

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.

Price $2.99 $7.99
Author Bram Bos
Type Tool
Supports Audiobus, Audio Unit (AU)
Rating total: 5 (54), current: 5 (54)
Released 05/17/2019
Updated 10/09/2020

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

Price $1.99 $2.99
Author Jens Guell
Type Tool
Supports Audio Unit (AU)
Rating total: 5 (3), current: 5 (3)
Released 01/16/2020
Updated 02/24/2020

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 $5.99
Author apeSoft
Type Tool
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.72727 (66), current: 4.72727 (66)
Released 07/04/2018
Updated 10/29/2020

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

Price $7.99 $12.99
Author Woodman's Immaculate Maple Syrup Studio
Type Tool
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.2 (10), current: 4.2 (10)
Released 06/01/2019
Updated 04/05/2020
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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.