iOS Musician Apps (578) Supported Technologies is Audio Unit (AU)

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WoodSynth is a synthesizer with 4 independent layers. Each layer is in fact a synthesizer on its own.

Price $15.99
Author Woodman's Immaculate Maple Syrup Studio
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU), Ableton Link
Rating total: 4 (26), current: 4 (26)
Released 01/17/2021
Updated 06/30/2025

Radio Unit is an Audio Unit plugin extension (AUv3) to play internet radio stations.

Price $6.99
Author BeepStreet
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audio Unit (AU)
Rating total: 4.56364 (55), current: 4.56364 (55)
Released 12/23/2020
Updated 05/19/2025

STARK is a fully fledged amplifier simulator consisting of four modules: Amplifier, Cabinet, Room and effects slots. These modules are processing audio separately, which makes it possible to combine different amplifiers with different cabinets and rooms.

Price $24.99
Author Klevgränd produkter AB
Type Effect
Effect type Guitar effects
Supports Audio Unit (AU)
Rating total: 3.7 (20), current: 3.7 (20)
Released 04/02/2019
Updated 06/26/2025

WoodScaper combines into one unit the 4 classic guitar effects : phaser, chorus/flanger, wah-wah and tremelo.

Price $9.99
Author Woodman's Immaculate Maple Syrup Studio
Type Effect
Effect type Chorus, Flanger, Phaser etc., Modulation effects, Pitch effects, Guitar effects
Supports Audio Unit (AU)
Rating total: 4.85714 (7), current: 4.85714 (7)
Released 05/03/2020
Updated 06/20/2024

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

Price $10.99
Author Woodman's Immaculate Maple Syrup Studio
Type Tool
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.33333 (12), current: 4.33333 (12)
Released 06/01/2019
Updated 07/01/2024

Slice your audio samples with ReSlice and create flexible musical atoms which can be triggered by MIDI notes or the touch of your fingers.

Price $12.99
Author Harry Gohs
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.25926 (27), current: 4.25926 (27)
Released 01/17/2017
Updated 06/20/2025

The Wood'nGate is an audio gate which is both a standalone app supporting IAA (Inter-App Audio) and an AUv3 audio unit plugin.

Price $7.99
Author Woodman's Immaculate Maple Syrup Studio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (6), current: 5 (6)
Released 09/17/2018
Updated 12/18/2024

The hybrid synthesis algorithm on which Addictive Pro is based provides you with efficient means for easy control of complex sounds far beyond usual sound synthesis methods.

Price $6.99
Author Harry Gohs
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.72222 (18), current: 4.72222 (18)
Released 09/21/2016
Updated 11/27/2024

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 $9.99
Author Woodman's Immaculate Maple Syrup Studio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (3), current: 5 (3)
Released 08/02/2018
Updated 04/18/2023

The WoodLofier is both a standalone app and AUv3 plugin which combines 4 different sections to make your sound more lofi or to add some creative twist  : filtering (and Sample Rate reduction), a Tape wobble unit, Noise addition and Crushing (clipping, bit reduction and saturation).

Price $8.99
Author Woodman's Immaculate Maple Syrup Studio
Type Effect
Effect type Distortion, Drive etc., Other
Supports Audio Unit (AU)
Rating total: 5 (6), current: 5 (6)
Released 02/14/2019
Updated 10/12/2024

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

Price $9.99
Author Harry Gohs
Type Effect, Tool
Effect type Equalizer, Filter, Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.77778 (27), current: 4.77778 (27)
Released 08/03/2017
Updated 06/20/2025

Specific sound morphing capabilities enables you to easily create complex evolving sound scapes, vocal phrases or stunning rhythms simply by choosing up to four sound sources from a predefined set.

Price $14.99
Author Harry Gohs
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.3125 (16), current: 4.3125 (16)
Released 05/13/2021
Updated 12/05/2024

AudioLayer is a full featured open standard audio multi-sampler pushing the boundaries beyond what has been available even in the desktop music production worlds.

Price $24.99
Author Harry Gohs
Type Instrument
Instrument type Sampler
Instrument sounds All-in-one
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.35669 (157), current: 4.35669 (157)
Released 08/03/2018
Updated 05/05/2025

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 $9.99
Author Harry Gohs
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.36364 (11), current: 4.36364 (11)
Released 11/21/2019
Updated 06/19/2025

Matrix Vocoder transforms your voice into an electronic instrument.

Price $9.99
Author Harry Gohs
Type Effect
Effect type Vocoder
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.38889 (18), current: 4.38889 (18)
Released 09/26/2019
Updated 05/22/2025

Additive synthesis is a sound synthesis technique that creates timbre by adding sine waves together. The timbre of musical instruments can be considered to consist of multiple harmonic or inharmonic partials or overtones.

Price $14.99
Author Harry Gohs
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.5122 (41), current: 4.5122 (41)
Released 08/26/2020
Updated 12/04/2024

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: 4.30222 (675), current: 4.30222 (675)
Released 03/04/2015
Updated 06/20/2025

Playset is an intuitive drum and synth sequencer, designed for instant fun and live music.

Price $9.99
Author Fingerlab
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards, Drums, Percussion
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.09091 (11), current: 4.09091 (11)
Released 12/26/2019
Updated 06/30/2024

Studio quality reverb for AUv3 / Audiobus / Inter-app audio and songs from your iTunes music library.

Price $9.99
Author Harry Gohs
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.86364 (22), current: 3.86364 (22)
Released 08/05/2013
Updated 06/19/2025

Kompresor is a versatile and powerful, yet easy to use, compressor.

Price $24.99
Author Shattered Glass Audio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Audio Unit (AU)
Rating total: 5 (3), current: 5 (3)
Released 09/07/2021
Updated 04/02/2025