Inter-App (IAA) Keyboards Apps (121)

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Inter-App (IAA) technology compatible Keyboards instrument app list

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: 4.865 (200), current: 4.865 (200)
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: 4.55978 (184), current: 4.55978 (184)
Released 12/04/2019
Updated 02/28/2025

Designed to deliver authentic dub sounds and effects, iTALIZER at it's heart is a monophonic synthesizer paired with an authentic tape echo emulation.

Price $9.99 $4.99
Author Kai Aras
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 3.77778 (9), current: 3.77778 (9)
Released 09/27/2017
Updated 04/29/2024

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: 4.59686 (191), current: 4.59686 (191)
Released 03/29/2018
Updated 10/27/2020

Poison-202 is a professional Vintage Midi Synthesizer.

Price $9.99 $6.99
Author Dmitrij Pavlov
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.72993 (274), current: 4.72993 (274)
Released 09/09/2016
Updated 01/28/2025

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: 4.70681 (191), current: 4.70681 (191)
Released 02/20/2018
Updated 04/15/2025

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: 4.68571 (35), current: 4.68571 (35)
Released 08/10/2021
Updated 04/14/2025

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: 4.78109 (201), current: 4.78109 (201)
Released 04/18/2021
Updated 11/21/2024

KQ MiniSynth is a polyphonic modular synthesizer.

Price $9.99
Author Ryouta Kira
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.8 (25), current: 4.8 (25)
Released 01/09/2016
Updated 06/22/2024

FM TiNES is an electric piano library dedicated to the most beautiful FM electric pianos ever made.

Price $14.99
Author MIDIculous LLC
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 3.92308 (13), current: 3.92308 (13)
Released 08/10/2019
Updated 03/28/2025

Just a Toy Synthesizer. Included: 2 Oscillators, LPF, Delay effector, Ribbon controller.

Price $5.99
Author Ryouta Kira
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.81818 (22), current: 4.81818 (22)
Released 09/05/2019
Updated 06/18/2023

SynthMaster One iOS is the mobile version of KV331 Audio's SynthMaster One software synthesizer.

Price $1.99
Author KV331 Audio
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.69078 (705), current: 4.69078 (705)
Released 06/27/2018
Updated 12/29/2024

Elsa is a retro style sampling keyboard with tempo based looping.

Price $5.99
Author Erik Sigth
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards, Other
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.875 (32), current: 4.875 (32)
Released 04/01/2014
Updated 03/26/2025

Shape is a polyphonic synthesiser allowing the user to draw the shape of the oscillator waveform.

Price $4.99
Author Erik Sigth
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Ableton Link
Rating total: 4.91667 (24), current: 4.91667 (24)
Released 05/02/2011
Updated 03/16/2025

Tardigrain is a granular synthesizer. Sounds are created by taking smaller fragments of a sample and playing them back in a non linear fashion, with settings for grain size, direction, step size and more.

Price $5.99
Author Erik Sigth
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.62222 (90), current: 4.62222 (90)
Released 02/28/2018
Updated 03/16/2025

This synthesizer emulates male voice vowels in a unique way.

Price $7.99
Author Klevgränd produkter AB
Type Instrument
Instrument type Synth
Instrument sounds Keyboards, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.75 (12), current: 3.75 (12)
Released 09/23/2016
Updated 11/22/2021

Tines emulates an electric piano.

Price $7.99
Author Klevgränd produkter AB
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.66667 (12), current: 4.66667 (12)
Released 10/20/2016
Updated 12/06/2021

Syndt is a polyphonic synthesizer with a lot of possibilities.

Price $7.99
Author Klevgränd produkter AB
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 3.75 (8), current: 3.75 (8)
Released 05/18/2017
Updated 02/02/2023

Pure Synth® Platinum is a full-blown rompler/synthesizer for your iOS device. Neither the synth engine or the sample engine is an afterthought: Both engines are fully capable and feature-rich. The romper section contains a well rounded assortment of analog, synth, string, digital, and acoustic instruments.

Price Free
Author MIDIculous LLC
Type Instrument
Instrument type Sampler, Synth
Instrument sounds Keyboards, All-in-one
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 3.78947 (38), current: 3.78947 (38)
Released 06/11/2019
Updated 03/12/2025

Baervaag brings FM synthesis to the masses! An easy to use but still tweakable synthesizer, accessible to everyone.

Price $7.99
Author Klevgränd produkter AB
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4 (10), current: 4 (10)
Released 02/09/2017
Updated 11/22/2021
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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.