iOS Musician Apps (567) Supported Technologies is Audio Unit (AU)

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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 $26.99
Author Klevgränd produkter AB
Type Effect
Effect type Guitar effects
Supports Audio Unit (AU)
Rating total: 3.7619 (21), current: 3.7619 (21)
Released 04/02/2019
Updated 06/26/2025

n-Track Studio 8 turns your iPhone, iPad or iPod touch into a complete recording studio.

Price $29.90
Author n-Track S.r.l.
Type Host
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.58844 (294), current: 4.58844 (294)
Released 10/11/2016
Updated 04/24/2026

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 04/29/2026

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: 5 (2), current: 5 (2)
Released 10/26/2021
Updated 04/29/2026

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: 3.6 (10), current: 3.6 (10)
Released 10/26/2021
Updated 04/29/2026

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: 4.09091 (11), current: 4.09091 (11)
Released 10/26/2021
Updated 04/29/2026

Transit hosts 18 effect-modules, freely loadable across 7 slots.

Price $29.99
Author Baby Audio Inc.
Type Effect
Effect type Other
Supports Audio Unit (AU)
Rating total: 3.88889 (18), current: 3.88889 (18)
Released 11/08/2023
Updated 05/26/2025

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 (like someone playing on a keyboard).

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Strings
Supports Audio Unit (AU)
Rating total: 4.07692 (13), current: 4.07692 (13)
Released 04/30/2021
Updated 04/29/2026

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 (like someone playing on a keyboard).

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Strings
Supports Audio Unit (AU)
Rating total: 4.33333 (6), current: 4.33333 (6)
Released 04/30/2021
Updated 04/29/2026

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 (like someone playing on a keyboard).

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Bass
Supports Audio Unit (AU)
Rating total: 4.3 (10), current: 4.3 (10)
Released 04/30/2021
Updated 04/29/2026

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 (like someone playing on a keyboard).

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Strings
Supports Audio Unit (AU)
Rating total: 4.5 (12), current: 4.5 (12)
Released 04/30/2021
Updated 04/29/2026

Pure Piano is a professional, multi-sampled concert grand piano with a unique Morph Pad that allows you to explore a multitude of sounds ranging from mellow and intimate tones to surreal, cinematic textures.

Price $29.99
Author e-instruments lab GmbH
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards, Piano
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.80083 (241), current: 4.80083 (241)
Released 04/18/2021
Updated 04/01/2026

KeyStage is a master controller, AUv3 host, and audio mixer app designed mainly for keyboard players.

Price $29.99
Author Ali Gokturk
Type Host
Supports Audio Unit (AU)
Rating total: 4.68293 (41), current: 4.68293 (41)
Released 10/18/2018
Updated 06/27/2024

SWAM Solo Brass is a Flugelhorn sampler.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 5 (1), current: 5 (1)
Released 01/30/2021
Updated 04/29/2026

SWAM Tenor Bass Trombone is a trombone sampler.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 4.25 (4), current: 4.25 (4)
Released 01/30/2021
Updated 04/29/2026

SWAM Tuba Eb is a tuba sampler.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 5 (4), current: 5 (4)
Released 01/30/2021
Updated 04/29/2026

SWAM French Horn Bb is a french horn sampler.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 5 (3), current: 5 (3)
Released 01/30/2021
Updated 04/29/2026

SWAM French Horn F is a french horn sampler.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 5 (4), current: 5 (4)
Released 01/30/2021
Updated 04/29/2026

SWAM Euphonium is a brass sampler.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 5 (3), current: 5 (3)
Released 01/30/2021
Updated 12/16/2025

SWAM Trumpet C is trumpet sampler.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 5 (3), current: 5 (3)
Released 01/30/2021
Updated 04/29/2026
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