iOS Musician Apps (580) Supported Technologies is Audio Unit (AU)

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During a routine mining expedition in the outer regions of the galaxy five mysterious boxes of unknown origin were found. Rumours among the workers spread quickly that there was a strange feeling being around these boxes, as if time flows in a different way, not just forward but sometimes also folding back on itself. The miners nicknamed them, the five boxes of reverberation. After the excavation process, to study them more closely, it was decided to transport them back to earth.

Price $4.99
Author Erik Sigth
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.71429 (56), current: 4.71429 (56)
Released 10/02/2021
Updated 06/17/2024

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: 4.41176 (17), current: 4.41176 (17)
Released 06/08/2018
Updated 01/18/2024

GlitchCore is an Audio Unit (AUv3) effect for re-sequencing live audio. It can rearrange audio that it processes. GlitchCore lets you glitch audio by making micro loops and scrubbing your sound.  

Price $4.99
Author Alex Matheu
Type Effect
Effect type Other
Supports Audio Unit (AU)
Rating total: 4.325 (40), current: 4.325 (40)
Released 03/25/2020
Updated 12/31/2020

Galileo Organ 2 is a tonewheel and transistor organ app.

Price $14.99
Author Yonac Inc.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.44086 (93), current: 4.44086 (93)
Released 07/27/2018
Updated 02/13/2022

ToneStack PRO is a guitar effects processor.

Price $9.99
Author Yonac Inc.
Type Effect
Effect type Guitar effects
Supports Audio Unit (AU)
Rating total: 4.23529 (85), current: 4.23529 (85)
Released 04/26/2021
Updated 05/12/2025

Roxsyn is a metamorphic guitar synthesizer.

Price $19.99
Author Yonac Inc.
Type Instrument
Instrument type Synth
Instrument sounds Guitar
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.65169 (89), current: 4.65169 (89)
Released 08/05/2019
Updated 11/14/2024

Yonac’s flagship Magellan Synthesizer 2 is a new alchemy of pristine sounds, innovative features, and devotion to user friendliness — all the same preserving the wicked soul of the original.

Price $14.99
Author Yonac Inc.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU), Ableton Link
Rating total: 4.72358 (123), current: 4.72358 (123)
Released 02/23/2020
Updated 01/20/2022

Kauldron is a synth with new modeling technology, combined with features help you create aggressive synth sounds full of rich analog textures with the fewest knob tweaks.

Price $9.99
Author Yonac Inc.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.63504 (137), current: 4.63504 (137)
Released 11/15/2017
Updated 12/22/2025

Harness the enormous power of 8 polyphonic synths: meet KASPAR Supersynthesizer.

Price $19.99
Author Yonac Inc.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.58065 (93), current: 4.58065 (93)
Released 07/20/2017
Updated 11/03/2018

Steel Guitar PRO is a guitar processor that combines cutting-edge realtime audio generation with control interface. It provides guitar models, built-in amps & FX processing, MIDI control, AUv3, and good customizability.

Price $9.99
Author Yonac Inc.
Type Effect
Effect type Guitar effects
Supports Audio Unit (AU)
Rating total: 4.57143 (63), current: 4.57143 (63)
Released 06/23/2022
Updated 07/08/2022

Musk MIDI Keyboard is an expandable MIDI keyboard.

Price $1.99
Author Dr. Garbers Softwareentwicklung
Type Controller
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3 (2), current: 3 (2)
Released 12/23/2013
Updated 12/22/2025

SGA Phoenix brings the authentic sound of five analog preamps to your AUv3 compatible host. Each preamp derives its unique sonic character from a different active element (12AX7, 12AT7, and 12AU7 triodes, and J201 and 2N5457 JFET transistors).

Price $24.99
Author Shattered Glass Audio
Type Effect
Effect type Guitar effects, Bass effects, Other
Supports Audio Unit (AU)
Rating total: 5 (4), current: 5 (4)
Released 06/10/2021
Updated 11/18/2025

Slammer is a multi-sampled AUv3 drum plug-in that contains 30 different instruments made from a huge load of professionally recorded and edited samples.

Price $9.99
Author Klevgränd produkter AB
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Audio Unit (AU)
Rating total: 4.77778 (18), current: 4.77778 (18)
Released 04/12/2021
Updated 09/16/2022

Ting provides 12 different percussive sounds originating from t(h)ings that can be found in most of ordinary households.

Price $7.99
Author Klevgränd produkter AB
Type Instrument
Instrument sounds Drums, Percussion
Supports Audio Unit (AU)
Rating total: 4.80952 (21), current: 4.80952 (21)
Released 04/14/2020
Updated 10/20/2021

DAW Cassette is an Audio Unit effect that emulates the sound of a classical tape deck.

Price $13.99
Author Klevgränd produkter AB
Type Effect
Effect type Other
Supports Audiobus, Audio Unit (AU)
Rating total: 4.53846 (26), current: 4.53846 (26)
Released 04/27/2018
Updated 06/02/2021

Modley is a modulation delay with effect insert capabilities, which lets you design the whole delay signal with several carefully selected effect modules, to create customized signal flows and unique sounds.

Price $16.99
Author Klevgränd produkter AB
Type Effect
Effect type Reverb, Delay, Echo, Modulation effects
Supports Audio Unit (AU)
Rating total: 4.90909 (22), current: 4.90909 (22)
Released 06/18/2019
Updated 02/25/2021

SideBand Remix is an AUv3 plugin for final mixing and mastering. It separates the phantom center from sideband (L/R) content which is what give a stereo track its width, and lets you remix it.

Price $9.99
Author 4Pockets.com
Type Effect
Effect type Equalizer, Filter, Other
Supports Audio Unit (AU)
Rating total: 4.66667 (6), current: 4.66667 (6)
Released 07/19/2021
Updated 12/13/2025

BLEASS Flanger is a flanging effect offering a wide range of synchronised modulations which colours sound in a novel and unique way thanks to its complex algorithmic combinations.

Price $6.99
Author BLEASS
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Audiobus, Audio Unit (AU)
Rating total: 5 (13), current: 5 (13)
Released 08/25/2020
Updated 09/12/2025

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

Price $1.99
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

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

Price $3.99
Author Harry Gohs
Type Effect, Tool
Effect type Equalizer, Filter, Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.7931 (29), current: 4.7931 (29)
Released 08/03/2017
Updated 09/28/2025