Audio Unit (AU) compatible iOS instrument app list
Grand Piano for iPad and iPhone.
| Price | Free |
|---|---|
| Author | pablo lopez |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Keyboards, Piano |
| Supports | Audio Unit (AU) |
| Rating | total: (13), current: (13) |
| Released | 10/24/2021 |
| Updated | 01/19/2026 |
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: (157), current: (157) |
| Released | 01/07/2017 |
| Updated | 01/19/2026 |
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: (14), current: (14) |
| Released | 12/20/2014 |
| Updated | 01/19/2026 |
bs-16i is a 16 multi-timbral playback sampler. It supports SoundFont and DLS (Downloadable Sounds, and can be used for keyboard instrument, MIDI sound module, and MIDI player.
| Price | $7.99 |
|---|---|
| Author | bismark LLC |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Other |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (108), current: (108) |
| Released | 09/01/2010 |
| Updated | 01/19/2026 |
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: (37), current: (37) |
| Released | 11/20/2015 |
| Updated | 01/19/2026 |
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: (11), current: (11) |
| Released | 12/17/2014 |
| Updated | 01/19/2026 |
This is a very simple yet powerful iOS app that performs as a polyphonic audio synthesizer.
| Price | $7.99 |
|---|---|
| Author | Brad Howes |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Audio Unit (AU) |
| Rating | total: (135), current: (135) |
| Released | 02/19/2019 |
| Updated | 01/16/2026 |
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: (227), current: (227) |
| Released | 04/18/2021 |
| Updated | 01/14/2026 |
EG Pulse is the Drum Machine for iOS. EG Pulse contains drumkits and presets created by some of the best iOS Beat Makers and Producers like SoundOfIzrael, Soundtrack Loops, the Beat Community and more.
| Price | $9.99 $14.99 |
|---|---|
| Author | Elliott Garage |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Drums, Percussion |
| Supports | Audio Unit (AU), Ableton Link |
| Rating | total: (145), current: (145) |
| Released | 09/20/2019 |
| Updated | 11/24/2024 |
LayR is a polyphonic, multi-timbral synthesizer for iPad and iPhone, delivering up to 256 voices of rich, multi-layered and textured sounds.
| Price | $24.99 |
|---|---|
| Author | Living Memory Software |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (96), current: (96) |
| Released | 03/07/2017 |
| Updated | 01/08/2026 |
Expand your musical horizon by playing Arabic, Armenian, Balkan, Greek, Klezmer, Persian & Turkish sounds, scales and rhythms.
| Price | Free |
|---|---|
| Author | TAQS.IM |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Ethnic |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (3012), current: (3012) |
| Released | 03/26/2019 |
| Updated | 01/08/2026 |
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: (200), current: (200) |
| Released | 02/20/2018 |
| Updated | 01/05/2026 |
Castamatic is the app to listen to podcasts on any iOS device.
| Price | Free |
|---|---|
| Author | Gunp Media Productions |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Other |
| Supports | Audio Unit (AU) |
| Rating | total: (85), current: (85) |
| Released | 07/20/2015 |
| Updated | 01/05/2026 |
Pure Acid is a bassline synthesizer and drum machine in one app.
| Price | $14.99 |
|---|---|
| Author | Dmitrij Pavlov |
| Type | Instrument |
| Instrument type | Sampler, Synth |
| Instrument sounds | Drums, Percussion, Bass |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (158), current: (158) |
| Released | 11/17/2019 |
| Updated | 01/05/2026 |
Poison-202 is a professional Vintage Midi Synthesizer.
| Price | $9.99 |
|---|---|
| Author | Dmitrij Pavlov |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (282), current: (282) |
| Released | 09/09/2016 |
| Updated | 01/05/2026 |
Chameleon is an AUv3 compatible sampler instrument plugin for your favourite DAW.
| Price | $12.99 |
|---|---|
| Author | 4Pockets.com |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Other |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (43), current: (43) |
| Released | 03/23/2019 |
| Updated | 12/11/2025 |
Dagger is an analog modeling paraphonic synth with a big, raw analog sound.
| Price | $9.99 |
|---|---|
| Author | BeepStreet |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Audio Unit (AU) |
| Rating | total: (40), current: (40) |
| Released | 08/04/2023 |
| Updated | 08/04/2023 |
DigiStix 2 is an AUv3 compatible drum machine and sampler plugin for your favourite DAW.
| Price | $14.99 |
|---|---|
| Author | 4Pockets.com |
| Type | Instrument |
| Instrument sounds | Drums, Percussion |
| Supports | Audio Unit (AU) |
| Rating | total: (47), current: (47) |
| Released | 07/01/2021 |
| Updated | 12/09/2025 |
Galileo Organ 2 is a tonewheel and transistor organ app.
| Price | $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 |
Roxsyn is a metamorphic guitar synthesizer.
| Price | $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 |
Audio Units (AU) is an audio plug-in technology built in Apple's macOS and iOS operating systems. Initially developed for desktop operating systems along with VST (Virtual Studio Technology by Steinberg GmbH), it available now for iOS too. AU apps (plug-ins) can modify sound pitch, sample rate and stream over network, produce signal.
