Audio Unit (AU) Apps (360)

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Audio Unit (AU) compatible iOS application list

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 11/13/2019

This is a very simple yet powerful iOS app that performs as a polyphonic audio synthesizer.

Price $0.99
Author B-Ray Software
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)
Released 02/19/2019
Updated 11/12/2019

Visual Reverb is a plate reverb with multi-band EQ and the ability to analyse audio in real time giving a spectrum representation of your signal flow.

Price $7.99 $5.99
Author 4Pockets.com
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Released 09/28/2019
Updated 10/18/2019

This is an AUv3 compatible stereo graphic equalizer plugin which can be used as a plugin with your favourite DAW such as Cubasis, Auria, Meteor or GarageBand.

Price $4.99 $3.99
Author 4Pockets.com
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.5 (8), current: 5 (1)
Released 09/02/2018
Updated 03/23/2019

Woodpressor is a high-end audio compressor. It is both a standalone app supporting IAA (Inter-App Audio) and an AUv3 audio unit plugin.

Price $8.99
Author Woodman's Immaculate Maple Syrup Studio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Released 08/02/2018
Updated 11/12/2019

Visual Compressor is a 4 band compressor/expander which has the ability to analyse audio in real time giving an accurate and reliable spectrum representation of your signal as well as visual feedback of compression or expansion levels.  It's uses range from final mastering of songs to dynamic manipulation and EQing of drum tracks.

Price $7.99 $5.99
Author 4Pockets.com
Type Effect
Effect type Compressor, Limiter, Gate
Supports Audio Unit (AU)
Released 09/28/2019

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 (31), current: 5 (1)
Released 05/17/2019
Updated 11/11/2019

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: 5 (24), current: 5 (1)
Released 10/13/2019
Updated 11/11/2019

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

Price $4.99
Author Cem Olcay
Type Tool
Supports Audiobus, Audio Unit (AU)
Rating total: 5 (13), current: 5 (1)
Released 08/04/2018
Updated 11/09/2019

The multi-band delay BandDelay is a tool for sound design and loop manipulation in realtime. In contrast to common delay processors BandDelay splits the frequency spectrum of the input signal into 27 bands and applies a separate delay unit to each band.

Price $6.99
Author VirSyn
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Released 10/31/2019

Ferrite is an app you need for creating podcasts, radio journalism, or other professional voice production work — lectures, speeches, voiceovers and more.

Price Free
Author Wooji Juice Ltd
Type Host
Supports Audio Unit (AU)
Rating 4.5 (197), current: - (0)
Released 11/05/2015
Updated 11/08/2019

ToneBoosters Enhancer is an enhancer, exciter and sweetener plug-in.

Price $6.99
Author ToneBoosters
Type Effect
Effect type Other
Supports Inter-App Audio (IAA), Audio Unit (AU)
Released 10/27/2019
Updated 11/03/2019

We discovered this one-of-a-kind instrument collecting dust in our favorite local music shop. It's made out of hemlock, light as a feather, and sounds like elven magic.

Price $9.99
Author Embertone
Type Instrument
Instrument type Sampler
Instrument sounds Winds, Ethnic
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating 5 (6), current: - (0)
Released 08/01/2017
Updated 11/07/2019

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 (1)
Released 07/04/2018
Updated 11/07/2019

This audio shredder does just what is says, it shreds incoming audio (usually strings or lengthy sustained chords) into bite size pieces, adds an envelope and passes through a filter of choice.

Price $3.99 $4.99
Author 4Pockets.com
Type Effect
Effect type Other
Supports Audio Unit (AU)
Released 11/09/2018
Updated 01/23/2019

K-One is based around four oscillators - a pulse wave, morphing sine-sawtooth wave, square sub and a noise oscillator.

Price $9.99
Author Colin Hallett
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Released 10/06/2019
Updated 11/06/2019

Castamatic is the app to listen to podcasts on any iOS device.

Price Free
Author Gunp Media Productions
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audio Unit (AU)
Rating 4.5 (26), current: - (0)
Released 07/20/2015
Updated 11/06/2019

The Minimoog Model D App is a mobile transmutation of the world’s first portable synthesizer, the Minimoog Model D®.

Price $14.99
Author Moog Music Inc.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 5 (690), current: 5 (3)
Released 03/26/2018
Updated 11/06/2019

DigiStix Drummer is an AUv3 compatible drum machine / sampler plugin. The program has a host of features which allow you to sample your own drumkits and trigger them either using a host application via MIDI or using the inbuilt pattern and song editor which automatically syncs tempo with your DAW.

Price $8.99
Author 4Pockets.com
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Audio Unit (AU)
Rating total: 5 (24), current: 3.5 (3)
Released 09/30/2019
Updated 11/06/2019

Blue Mangoo Stereo Delay is designed to be the go-to app a for simple, musically tasteful delay effect.

Price $4.99
Author Mani Consulting Limited Company
Type Effect
Effect type Reverb, Delay, Echo
Supports Audiobus, Audio Unit (AU)
Released 12/01/2018
Updated 11/05/2019
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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.