iOS Inter-App Audio (IAA) technology compatible application list
ToneBoosters Spectrogram shows a real-time spectrogram of the incoming audio signal. The ToneBoosters Spectrogram app captures the microphone input and processes the signals in real time.
| Price | Free |
|---|---|
| Author | ToneBoosters |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (43), current: (43) |
| Released | 09/08/2020 |
| Updated | 05/03/2026 |
A Simple Ad-Free Piano-like Musical Keyboard. Easy to Play, Good Response and Small Application Size. Just Play the Instrument. The app doesn't use sampled real sounds but use FM synthesis. It sounds like piano though it's false.
| Price | Free |
|---|---|
| Author | Ryouta Kira |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards, Piano |
| Supports | Inter-App Audio (IAA) |
| Rating | total: (55), current: (55) |
| Released | 04/23/2020 |
| Updated | 05/03/2026 |
Echo Pitch is a pitch-shifting multi-delay for iPhone.
| Price | $4.99 |
|---|---|
| Author | Avi Bortnick |
| Type | Effect |
| Effect type | Reverb, Delay, Echo, Pitch effects |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (16), current: (16) |
| Released | 12/06/2016 |
| Updated | 05/01/2026 |
Deplike lets you enjoy a full studio guitar setup from your iPhone & iPad. Install and get your dream pedalboard, amps and cabinets in your pocket.
| Price | Free |
|---|---|
| Author | Deplike YAZILIM Muhendislik Sanayi ve Ticaret Limited Sirketi |
| Type | Effect |
| Effect type | Guitar effects |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (170), current: (170) |
| Released | 07/03/2017 |
| Updated | 04/30/2026 |
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: (162), current: (162) |
| Released | 01/07/2017 |
| Updated | 04/30/2026 |
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 | $2.49 $9.99 |
|---|---|
| Author | Yonac Inc. |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (137), current: (137) |
| Released | 11/15/2017 |
| Updated | 12/22/2025 |
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: (204), current: (204) |
| Released | 02/20/2018 |
| Updated | 04/30/2026 |
Roxsyn is a metamorphic guitar synthesizer.
| Price | $4.99 $19.99 |
|---|---|
| Author | Yonac Inc. |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Guitar |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (89), current: (89) |
| Released | 08/05/2019 |
| Updated | 11/14/2024 |
Harness the enormous power of 8 polyphonic synths: meet KASPAR Supersynthesizer.
| Price | $4.99 $19.99 |
|---|---|
| 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 |
This is a Lite version of EGDR909 - 909 Drum Machine, but all its functionalities can be unlocked as in-app purchase.
| Price | Free |
|---|---|
| Author | Elliott Garage |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Drums, Percussion |
| Supports | Inter-App Audio (IAA), Audiobus, Ableton Link |
| Rating | total: (113), current: (113) |
| Released | 05/11/2015 |
| Updated | 04/28/2026 |
Galileo Organ 2 is a tonewheel and transistor organ app.
| Price | $3.49 $14.99 |
|---|---|
| Author | Yonac Inc. |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (93), current: (93) |
| Released | 07/27/2018 |
| Updated | 02/13/2022 |
Import audio and instantly get a mastered version. Immediately hear a boost in volume and overall sweetening of the mix.
| Price | Free |
|---|---|
| Author | Future Moments |
| Type | Effect |
| Effect type | All-in-one, Other |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (2605), current: (2605) |
| Released | 07/14/2016 |
| Updated | 04/28/2026 |
EGDR909 is a drum machine that emulates the vintage hardware from the 80's with all the facilities of modern software.
| Price | $3.99 |
|---|---|
| Author | Elliott Garage |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Drums, Percussion |
| Supports | Inter-App Audio (IAA), Audiobus, Ableton Link |
| Rating | total: (41), current: (41) |
| Released | 09/16/2014 |
| Updated | 04/28/2026 |
EGDR808 is a drum machine that emulates the vintage hardware from the 80's.
| Price | $5.99 |
|---|---|
| Author | Elliott Garage |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Drums, Percussion |
| Supports | Inter-App Audio (IAA), Audiobus, Ableton Link |
| Rating | total: (172), current: (172) |
| Released | 08/10/2011 |
| Updated | 04/28/2026 |
EGDR808 is a drum machine that emulates the vintage hardware from the 80's.
| Price | Free |
|---|---|
| Author | Elliott Garage |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Drums, Percussion |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (1113), current: (1113) |
| Released | 08/09/2013 |
| Updated | 04/28/2026 |
GeoShred Play is an expressive musical instrument with a multi-touch performance surface, coupled with an advanced physical model of a guitar.
| Price | $6.00 $9.99 |
|---|---|
| Author | Wizdom Music LLC |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Guitar |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (511), current: (511) |
| Released | 01/04/2018 |
| Updated | 04/28/2026 |
GeoShred is an expressive musical instrument with a multi-touch performance surface, coupled with an advanced physical model of a guitar.
| Price | $16.00 $24.99 |
|---|---|
| Author | Wizdom Music LLC |
| Type | Instrument, Controller |
| Instrument type | Synth |
| Instrument sounds | Guitar |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (1373), current: (1373) |
| Released | 12/15/2015 |
| Updated | 04/28/2026 |
The BandHelper app works with your BandHelper account to share info with your bandmates, streamline your management duties and power your live show.
| Price | Free |
|---|---|
| Author | Arlo Leach |
| Type | Tool |
| Supports | Inter-App Audio (IAA) |
| Rating | total: (111), current: (111) |
| Released | 09/11/2013 |
| Updated | 04/26/2026 |
SynthMaster One iOS is the mobile version of KV331 Audio's SynthMaster One software synthesizer.
| Price | $9.99 $2.99 |
|---|---|
| Author | KV331 Audio |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (731), current: (731) |
| Released | 06/27/2018 |
| Updated | 12/29/2024 |
n-Track Studio 8 turns your iPhone, iPad or iPod touch into a complete recording studio.
| Price | Free |
|---|---|
| Author | n-Track S.r.l. |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (2019), current: (2019) |
| Released | 09/22/2016 |
| Updated | 04/24/2026 |
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.
