iOS Musician Apps (587) Supported Technologies is Audio Unit (AU)

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SWAM Trumpet is a trumpet sampler.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 4.55 (20), current: 4.55 (20)
Released 01/30/2021
Updated 07/01/2025

Overloud TH-U turns your iOS device into a Guitar and Bass amp simulator, to let you play live, practice or record: standalone and AUv3 included.

Price Free
Author Almateq SRL
Type Effect
Effect type Guitar effects, Bass effects
Supports Audio Unit (AU)
Rating total: 4.1573 (89), current: 4.1573 (89)
Released 05/25/2020
Updated 07/01/2025

These instruments are NOT sample libraries. Unlike sampling, which uses recordings to replicate the sound of an instrument, physical modeling doesn’t generate a sound as such but creates the conditions for the system to create it according to an external input.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Sampler, Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 3.5 (2), current: 3.5 (2)
Released 10/26/2021
Updated 07/01/2025

These instruments are NOT sample libraries. Unlike sampling, which uses recordings to replicate the sound of an instrument, physical modeling doesn’t generate a sound as such but creates the conditions for the system to create it according to an external input.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Sampler, Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 4.4 (10), current: 4.4 (10)
Released 10/26/2021
Updated 07/01/2025

Beef is a multi-effect audio plugin with a sole purpose, to make your tracks sound BEEFY. Beef was originally built to focus on creating the fattest basses and drums as possible.

Price $7.99 $3.99
Author Caelum Audio
Type Effect
Effect type Bass effects
Supports Audio Unit (AU)
Rating total: 4.57143 (21), current: 4.57143 (21)
Released 04/30/2021
Updated 09/13/2022

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

Price $29.99
Author Audio Modeling
Type Tool
Supports Audio Unit (AU), Ableton Link
Rating total: 3.95455 (22), current: 3.95455 (22)
Released 12/13/2018
Updated 07/01/2025

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 total: 4.24359 (78), current: 4.24359 (78)
Released 07/20/2015
Updated 06/29/2025

VOLT is a virtual analog synthesizer designed to create classic synth sounds while emphasising expressive play.

Price $19.99 $9.99
Author Kai Aras
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.61257 (191), current: 4.61257 (191)
Released 03/29/2018
Updated 10/27/2020

Agonizer is a monophonic synthesizer designed in collaboration with YouTuber and synth bass expert Jakob Haq of haQ attaQ

Price $19.99 $9.99
Author Kai Aras
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.84422 (199), current: 4.84422 (199)
Released 11/11/2020
Updated 05/14/2024

ShockWave is a monophonic Synthesizer designed to bring modular style workflow to the world of iOS & AUv3 plugins.

Price $19.99 $9.99
Author Kai Aras
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.55738 (183), current: 4.55738 (183)
Released 12/04/2019
Updated 02/28/2025

RF-1 is an Algorithmic Reverb (AU, AB, IAA, Standalone).

Price $5.99 $2.99
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.58333 (12), current: 4.58333 (12)
Released 10/13/2016
Updated 10/05/2020

This app is a portable multitrack audio and MIDI recording studio featuring virtual instruments, editing with unlimited undo/redo, mixing, real-time effects, automation and much more!

Price $11.99
Author Davy Wentzler
Type Host, Instrument, Effect
Instrument type Sampler
Instrument sounds All-in-one
Effect type All-in-one
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.21711 (152), current: 4.21711 (152)
Released 01/07/2017
Updated 06/30/2025

KB-1 is a an expressive virtual keyboard designed for a multitude of scenarios.

Price $12.99 $7.99
Author Kai Aras
Type Controller
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.83399 (253), current: 4.83399 (253)
Released 11/20/2018
Updated 08/15/2024

FD-1 is a Semi-Modular Effect Plugin including dedicated Filter, Delay and Modulation sections.

Price $9.99 $4.99
Author Kai Aras
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo, Modulation effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.74193 (31), current: 4.74193 (31)
Released 11/07/2019
Updated 09/24/2020

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 $4.99
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.70313 (128), current: 4.70313 (128)
Released 08/23/2018
Updated 04/29/2024

ToneBoosters Morphit is an AUv3 plugin for headphones correction and simulation and removes any unwanted coloration from your headphones!

Price $8.99
Author ToneBoosters
Type Effect
Effect type Equalizer, Filter, Other
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.63333 (30), current: 4.63333 (30)
Released 11/16/2019
Updated 06/29/2025

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

VC-1 is a vintage voiced chorus effect capable of delivering many classic chorus sounds but it doesn't stop there.

Price $5.99 $2.99
Author Kai Aras
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.75 (4), current: 4.75 (4)
Released 09/05/2017
Updated 01/24/2020

RM-1 is a multi purpose audio effect designed around various types of modulation.

Price $9.99 $4.99
Author Kai Aras
Type Effect
Effect type Modulation effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.55556 (18), current: 4.55556 (18)
Released 12/15/2018
Updated 08/31/2020

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 $2.99
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
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