Inter-App Audio (IAA) technology compatible instrument application list for iOS
Kauldron is a synth with new modeling technology, combined with features help you create aggressive synth sounds full of rich analog textures with the fewest knob tweaks.
| Price | $9.99 $2.49 |
|---|---|
| Author | Yonac Inc. |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (136), current: (136) |
| Released | 11/15/2017 |
| Updated | 12/22/2025 |
Galileo Organ 2 is a tonewheel and transistor organ app.
| Price | $14.99 $3.49 |
|---|---|
| Author | Yonac Inc. |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (95), current: (95) |
| Released | 07/27/2018 |
| Updated | 02/13/2022 |
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: (207), current: (207) |
| Released | 02/20/2018 |
| Updated | 07/03/2026 |
You found it! Drum Beats+ is the metronome app that improves your timing using great sounding drum beats, not a boring click.
| Price | Free |
|---|---|
| Author | Ninebuzz Software LLC |
| Type | Instrument, Tool |
| Instrument type | Sampler |
| Instrument sounds | Drums, Percussion |
| Supports | Inter-App Audio (IAA) |
| Rating | total: (4449), current: (4449) |
| Released | 12/15/2011 |
| Updated | 07/02/2026 |
Roxsyn is a metamorphic guitar synthesizer.
| Price | $19.99 $4.99 |
|---|---|
| Author | Yonac Inc. |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Guitar |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (90), current: (90) |
| Released | 08/05/2019 |
| Updated | 11/14/2024 |
Phawuo is a monophonic virtual-analog synth with "dirty" oscillators. Good for bass sound and effects.
| Price | $2.99 $0.99 |
|---|---|
| Author | Alexey Nadzharov |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards, Bass |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (13), current: (13) |
| Released | 11/02/2013 |
| Updated | 08/29/2019 |
Egoist is a groove instrument. Load any audio file and squeeze the groove out of it.
| Price | Free |
|---|---|
| Author | Sugar Bytes GmbH |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Drums, Percussion |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (65), current: (65) |
| Released | 11/20/2014 |
| Updated | 07/02/2026 |
Harness the enormous power of 8 polyphonic synths: meet KASPAR Supersynthesizer.
| Price | $19.99 $4.99 |
|---|---|
| Author | Yonac Inc. |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (94), current: (94) |
| Released | 07/20/2017 |
| Updated | 11/03/2018 |
An effect instrument anyone can play - sonic anarchy in the palm of your hand.
| Price | $4.99 |
|---|---|
| Author | MoMinstruments GbR |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Other |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (9), current: (9) |
| Released | 10/22/2014 |
| Updated | 07/01/2026 |
DRC is a virtual analog polyphonic synthesizer that recreates the characteristic sound of an analog synthesizer.
| Price | $10.90 |
|---|---|
| Author | Imaginando Lda |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Ableton Link |
| Rating | total: (649), current: (649) |
| Released | 03/10/2016 |
| Updated | 07/01/2026 |
Set List Maker is a powerful organizational tool for musicians. With thousands of people around the world using the app in creative ways, the app is packed with features to manage your repertoire, control your on-stage electronics and share with your bandmates.
| Price | $19.99 |
|---|---|
| Author | Arlo Leach |
| Type | Instrument, Tool |
| Instrument type | Sampler |
| Supports | Inter-App Audio (IAA) |
| Released | 03/20/2020 |
| Updated | 06/30/2026 |
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: (166), current: (166) |
| Released | 01/07/2017 |
| Updated | 06/27/2026 |
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: (24), current: (24) |
| Released | 05/02/2011 |
| Updated | 06/26/2026 |
GeoShred is an expressive musical instrument with a multi-touch performance surface, coupled with an advanced physical model of a guitar.
| Price | $24.99 $16.00 |
|---|---|
| Author | Wizdom Music LLC |
| Type | Instrument, Controller |
| Instrument type | Synth |
| Instrument sounds | Guitar |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (1387), current: (1387) |
| Released | 12/15/2015 |
| Updated | 06/15/2026 |
Mynth is the new intuitive and powerful synthesizer by Fingerlab.
| Price | Free |
|---|---|
| Author | Fingerlab |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (44), current: (44) |
| Released | 04/07/2021 |
| Updated | 06/25/2026 |
GeoShred Play is an expressive musical instrument with a multi-touch performance surface, coupled with an advanced physical model of a guitar.
| Price | $9.99 $6.00 |
|---|---|
| Author | Wizdom Music LLC |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Guitar |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (513), current: (513) |
| Released | 01/04/2018 |
| Updated | 06/15/2026 |
The ELECTRIBE reborn in an even smaller form A full-fledged rhythm machine for iPhone.
| Price | $19.99 $9.99 |
|---|---|
| Author | KORG INC. |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Drums, Percussion |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (18), current: (18) |
| Released | 09/03/2015 |
| Updated | 07/25/2022 |
A complete reproduction - and more - of the legendary M1 that defined an era. Mobile Digital Synthesizer for the iPad.
| Price | $29.99 $14.99 |
|---|---|
| Author | KORG INC. |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | All-in-one |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (994), current: (994) |
| Released | 05/25/2015 |
| Updated | 03/31/2024 |
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: (30), current: (30) |
| Released | 04/01/2014 |
| Updated | 06/22/2026 |
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.
