Inter-App (IAA) Instruments (294)

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Inter-App Audio (IAA) technology compatible instrument application list for iOS

Electric Vintage is a virtual instrument based on a reproduction of a famous vintage electric piano (1976).

Price $12.99
Author apeSoft
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards, Piano
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.84615 (26), current: 4.84615 (26)
Released 07/04/2020
Updated 07/12/2025

Lagrange synthesizer has two oscillators, a noise generator and two filters that can be selected from various algorithmic models.

Price $9.99 $7.99
Author iceWorks, Inc.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.83636 (55), current: 4.83636 (55)
Released 10/17/2019
Updated 10/13/2024

Wotja X is a new cross-platform interface for the 'Wotja Generative Music System'.

Price Free
Author Intermorphic Limited
Type Host, Instrument
Instrument type Sampler, Synth
Instrument sounds Keyboards
Effect type All-in-one
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.70833 (192), current: 4.70833 (192)
Released 02/20/2018
Updated 07/10/2025

Medly takes a new approach to the way music is made, letting both seasoned and new musicians make epic music. Just pick your instruments, draw notes, record & sing, and drag & drop one of over 700 loops or samples.

Price Free
Author Medly Labs Inc.
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Inter-App Audio (IAA), Audiobus, Ableton Link
Rating total: 4.55863 (34421), current: 4.55863 (34421)
Released 03/27/2015
Updated 07/09/2025

AudioKit Synth One is a completely free & open-source professional iOS Synthesizer. 

Price Free
Author AudioKit Pro
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.90957 (26783), current: 4.90957 (26783)
Released 07/07/2018
Updated 07/09/2025

iDousyn is a Mobile Instrument App with a lot of high quality sounds selected for different musical genres.

Price $5.99 $3.99
Author Jorge Lozada
Type Instrument
Instrument type Sampler
Instrument sounds All-in-one
Supports Inter-App Audio (IAA)
Rating total: 4.20833 (144), current: 4.20833 (144)
Released 03/01/2011
Updated 06/18/2025

Oriental Strings is a professional sound module app for oriental keyboard players and for musicians who simply want to resemble the typical sound of the Middle East in their songs.

Price $7.99
Author Christian Schoenebeck d/b/a Crudebyte
Type Instrument
Instrument type Sampler
Instrument sounds Strings
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.18182 (11), current: 4.18182 (11)
Released 12/17/2014
Updated 07/07/2025

Play with the sound of a full cathedral organ, created by award-winning sound designer Kurt Ader.

Price $14.99
Author Christian Schoenebeck d/b/a Crudebyte
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.57143 (14), current: 3.57143 (14)
Released 12/20/2014
Updated 07/07/2025

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: 4.75 (212), current: 4.75 (212)
Released 04/18/2021
Updated 07/07/2025

The ultimate orchestra sound app for sophisticated musicians by sound designer Kurt Ader, designed as professional sound module for your iPad, iPhone or iPod touch.

Price $9.99
Author Christian Schoenebeck d/b/a Crudebyte
Type Instrument
Instrument type Sampler
Instrument sounds Strings, Winds
Supports Inter-App Audio (IAA), Audiobus
Rating total: 3.80392 (102), current: 3.80392 (102)
Released 08/08/2014
Updated 07/07/2025

This app contains the following instruments: Trumpet, Trombone and Saxophone sampled in four different brass sections.

Price $9.99
Author Christian Schoenebeck d/b/a Crudebyte
Type Instrument
Instrument type Sampler
Instrument sounds Winds
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.4 (35), current: 4.4 (35)
Released 11/20/2015
Updated 07/07/2025

Colossus Piano sets a new standard in terms of realism, detail and overall quality of piano sounds on your iPad, iPhone and iPod touch.

Price Free
Author Christian Schoenebeck d/b/a Crudebyte
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards, Piano
Supports Inter-App Audio (IAA), Audiobus
Rating total: 3.17742 (62), current: 3.17742 (62)
Released 11/17/2016
Updated 07/07/2025

The second best sounding piano app in the App Store (after "Colossus Piano")!

Price $14.99
Author Christian Schoenebeck d/b/a Crudebyte
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.2 (15), current: 4.2 (15)
Released 11/02/2012
Updated 07/07/2025

World of Bagpipes Pro is a five sounding sets of bagpipes for the iPad that are played using standard Scottish piping fingerings.

Price $2.99
Author Michael Eskin
Type Instrument
Instrument type Sampler
Instrument sounds Winds
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.75 (4), current: 4.75 (4)
Released 11/01/2011
Updated 07/07/2025

Thanks to it's true VA synthesis engine, the use of analog-modelled non-linear filters and extensive modulation options, Flowtones sounds warmer and more analog than digital romplers and wavetable-based synths.

Price $9.99
Author ToneBoosters
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.69444 (36), current: 4.69444 (36)
Released 08/10/2021
Updated 07/02/2025

iMPC Pro 2 for iPhone fuses innovative song creation with the MPC workflow.

Price $12.99 $6.99
Author Akai Professional
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion, Other
Supports Inter-App Audio (IAA), Audio Unit (AU), Ableton Link
Rating total: 4.65616 (1777), current: 4.65616 (1777)
Released 12/10/2018
Updated 05/16/2025

iMPC Pro fuses innovative song creation with the iconic MPC workflow.

Price $24.99 $12.99
Author Akai Professional
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion, Other
Supports Inter-App Audio (IAA), Audio Unit (AU), Ableton Link
Rating total: 4.43529 (1020), current: 4.43529 (1020)
Released 12/14/2017
Updated 05/16/2025

Englitina is an authentic-sounding English Treble Concertina for the iPad.

Price $4.99
Author Michael Eskin
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards, Ethnic
Supports Inter-App Audio (IAA), Audiobus
Rating total: 5 (2), current: 5 (2)
Released 08/21/2010
Updated 07/01/2025

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
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Did you know?

Inter-App Audio (IAA) is a technology by Apple Inc, allows audio connection feature between apps. To use this feature, you need to have at least two IAA compatible applications installed on your iOS (iPhone, iPad etc.) device, first acts as a host and receives audio stream, and second acts as a node (or instrument) and publishes an output. Also, IAA node can transform audio or MIDI signal sent by host app, and return it in a modified form.