Audio Unit (AU) Tools (34)

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

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 $3.99
Author Conifer Productions Oy
Type Tool
Supports Audio Unit (AU)
Rating total: 4.5 (6), current: 3 (1)
Released 01/12/2019
Updated 06/02/2019

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 $4.99 $3.99
Author Bryce Hostetler
Type Tool
Supports Audio Unit (AU)
Rating 5 (18), current: - (0)
Released 06/13/2019
Updated 09/17/2019

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 4.5 (6), current: - (0)
Released 06/01/2019
Updated 09/07/2019

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 (6), current: 5 (3)
Released 07/26/2018
Updated 05/22/2019

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 $7.99
Author Bram Bos
Type Tool
Supports Audiobus, Audio Unit (AU)
Rating total: 5 (28), current: 5 (5)
Released 05/17/2019
Updated 09/01/2019

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: 4.5 (14), current: 4 (2)
Released 09/23/2019

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.

Price Free
Author Neon Silicon
Type Effect, Tool
Effect type Other
Supports Audio Unit (AU)
Rating total: 5 (11), current: 5 (6)
Released 09/18/2019

"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.

Price $6.99
Author Laurent Colson
Type Tool
Supports Audiobus, Audio Unit (AU)
Released 11/16/2018
Updated 08/14/2019

"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: 5 (18), current: 5 (2)
Released 07/25/2018
Updated 08/14/2019

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: 5 (55), current: 5 (4)
Released 07/04/2018
Updated 08/05/2019

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

Price $4.99
Author Mani Consulting Limited Company
Type Effect, Tool
Supports Audiobus, Audio Unit (AU)
Released 08/18/2019

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

Price $28.99
Author Audio Modeling
Type Tool
Supports Audio Unit (AU), Ableton Link
Released 12/13/2018
Updated 07/13/2019

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.

Price $4.99
Author Mani Consulting Limited Company
Type Effect, Tool
Effect type Stereo, Pan effects
Supports Audio Unit (AU)
Rating total: 4 (6), current: 5 (1)
Released 06/15/2019
Updated 07/11/2019

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

Price $9.99
Author VirSyn
Type Effect, Tool
Effect type Equalizer, Filter, Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Released 08/03/2017
Updated 08/11/2017

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

Price $2.99
Author Casey I.T. LLC
Type Tool
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.5 (9), current: 4.5 (4)
Released 06/08/2018
Updated 12/27/2018

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

Price $4.99
Author Cem Olcay
Type Tool
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.5 (18), current: 4 (7)
Released 04/12/2019
Updated 06/07/2019

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: 4.5 (8), current: 4 (6)
Released 09/23/2018
Updated 03/28/2019

So what is a midi echo? It is similar to the audio echo effect where copies of the original audio are repeated at regular time intervals but with some form of change (e.g. quieter). But unlike audio, midi is digital in nature (low resolution 8 bit mostly) and focused around the midi note on & off message used to control synths etc.

Price $2.99
Author anthony saunders
Type Tool
Supports Audiobus, Audio Unit (AU)
Released 10/25/2018
Updated 05/08/2019

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

Price $3.99
Author Abigail Macfarlane
Type Tool
Supports Audio Unit (AU)
Rating total: 4.5 (15), current: 5 (2)
Released 11/15/2018
Updated 05/08/2019

Song Memo is the easiest way to take notes of your song ideas. The chord keyboard of Song Memo allows you to write chord progressions more quickly. Chords are automatically detected while you are taking a note.

Price Free
Author AmoriyA
Type Tool
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4 (7), current: 4 (7)
Released 04/20/2019
Updated 05/08/2019
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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.