iOS Musician Apps (568) 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: 4.70909 (55), current: 4.70909 (55)
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: 4.375 (16), current: 4.375 (16)
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: 4.3 (80), current: 4.3 (80)
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

Get audio visuals with your AUv3 host or the standalone app. Scope uses a two-axis graph to give a visual representation of a waveform over time, with the horizontal axis representing time and the vertical axis representing the amplitude.

Price $2.99
Author DiscoDSP LLC
Type Tool
Supports Audio Unit (AU)
Rating total: 4.36842 (19), current: 4.36842 (19)
Released 05/11/2020
Updated 12/24/2025

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: 4.72581 (124), current: 4.72581 (124)
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: 4.63042 (138), current: 4.63042 (138)
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: 4.57609 (92), current: 4.57609 (92)
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

Need to look up sheet music, guitar tablatures, lyrics, mixing notes, chord charts or search for a ‘how to...’ YouTube video? Web AU makes that possible without disrupting your audio production workflow.

Price $1.99
Author Christian Thompson
Type Tool
Supports Audio Unit (AU)
Rating total: 3.66667 (18), current: 3.66667 (18)
Released 12/22/2020
Updated 01/06/2025

Session Notes AU provides access to a custom-tailored notes database directly within your Digital Audio Workstation (DAW).

Price $1.99
Author Christian Thompson
Type Tool
Supports Audiobus, Audio Unit (AU)
Rating total: 3.71429 (7), current: 3.71429 (7)
Released 02/18/2021
Updated 01/07/2025

GeoShred is an expressive musical instrument with a multi-touch performance surface, coupled with an advanced physical model of a guitar.

Price $24.99
Author Wizdom Music LLC
Type Instrument, Controller
Instrument type Synth
Instrument sounds Guitar
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.83186 (1356), current: 4.83186 (1356)
Released 12/15/2015
Updated 12/05/2025

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

Octachron is a flexible 8 Track MIDI Drum Sequencer with rich modulation and sequencing capabilities.

Price $9.99
Author Markus Teufel
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Audio Unit (AU), Ableton Link
Rating total: 4.51042 (96), current: 4.51042 (96)
Released 05/08/2019
Updated 12/20/2025

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

Dual Digital Delay FX. Two separate (stereo) delay lines allow for a wide range of effects ranging from basic slapback and ping-ping type echos to complex modulations and soundscapes.

Price $5.99
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 3.86667 (15), current: 3.86667 (15)
Released 03/22/2016
Updated 04/14/2022

RE-1 is a full featured virtual Tape Machine capable of delivering authentic tape based echo and chorus effects but it doesn't stop there. With it's interactive tape player, sample, loop and overdub features it's possible to use it like a virtual tape recorder, sample player, looper or simply as a master effect.

Price $9.99
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.68939 (132), current: 4.68939 (132)
Released 08/23/2018
Updated 04/29/2024
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