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

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Stereo Width Control is an Audio Unit plugin that allows you to increase or decrease the stereo width of 4 adjustable frequency bands.

Price $5.99
Author Blue Mangoo Consulting Company Limited
Type Effect
Effect type Equalizer, Filter, Stereo, Pan effects
Supports Audio Unit (AU)
Rating total: 5 (12), current: 5 (12)
Released 12/28/2019
Updated 12/15/2020

Echo effect Audio Unit V3 inspired by the mayan pyramids acoustic echo. I come up with a complex phase modulated frequency of the echo so you can change it’s frequency signature. It is kind of changing the material of the reflective surface and I called it “Stone F”.

Price $2.99
Author Aleksandar Mlazev
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 2.75 (4), current: 2.75 (4)
Released 03/02/2018
Updated 07/22/2025

STRATOSPHERE CLOUD REVERB is an audio unit plugin effect inspired by the Cloud Reverb patch in a very well-loved modern classic reverb pedal.

Price $5.99
Author Blue Mangoo Consulting Company Limited
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.58824 (17), current: 4.58824 (17)
Released 06/23/2020
Updated 12/22/2020

StreamByter is a plugin for creating custom MIDI effects.

Price Free
Author Audeonic Apps
Type Effect, Tool
Effect type Other
Supports Audio Unit (AU)
Rating total: 5 (24), current: 5 (24)
Released 07/26/2018
Updated 06/09/2021

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

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

SWAM Alto Trombone is an alto trombone sampler.

Price $29.99
Author Audio Modeling
Instrument type Synth
Supports Audio Unit (AU)
Rating total: 5 (2), current: 5 (2)
Released 01/30/2021
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.

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

SWAM Bass Trombone is a bass trombone 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 Solo Brass is a solo brass sampler.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 4.66667 (3), current: 4.66667 (3)
Released 01/30/2021
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

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

SWAM Double Bass Trombone is a bass trombone sampler.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 5 (2), current: 5 (2)
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 Flugelhorn is a Flugelhorn sampler.

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

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 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 Piccolo 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: 5 (1), current: 5 (1)
Released 01/30/2021
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.

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