iOS Musician Apps (177) Supported Technologies is Audio Unit (AU), Type is Instrument

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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: 3.88983 (118), current: 3.88983 (118)
Released 09/01/2010
Updated 05/04/2026

Cubasis 2 is a fully featured iOS-based music production system includes sequencer, instruments, effects and more.

Price $23.99
Author Steinberg Media Technologies GmbH
Type Host, Instrument, Effect
Instrument type Sampler, Synth
Instrument sounds All-in-one
Effect type All-in-one
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.8954 (239), current: 3.8954 (239)
Released 12/17/2012
Updated 11/24/2021

Branches is a semi-modular synthesizer inspired by classics of the past. It runs both as a standalone instrument with support for external MIDI input or as a plugin (AUv3) in your favorite DAW app.

Price $5.99
Author Willow & Oak AB
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)
Rating total: 3.91667 (12), current: 3.91667 (12)
Released 11/01/2020
Updated 02/13/2026

Neon is a lightweight digital audio editor and recording plugin compatible with any AUv3 host.

Price $14.99
Author 4Pockets.com
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audio Unit (AU)
Rating total: 3.96296 (27), current: 3.96296 (27)
Released 09/16/2021
Updated 02/20/2026

Gain Stage Acoustic makes electric guitars sound acoustic and makes acoustic guitars with piezo pickups sound more natural.

Price $5.99
Author Blue Mangoo Consulting Company Limited
Type Instrument
Effect type Guitar effects
Supports Audio Unit (AU)
Rating total: 4 (5), current: 4 (5)
Released 07/16/2021
Updated 03/23/2022

The sound generator inside the synthesizer is producing the exact wave form as the one you have created.

Price $4.99
Author Aleksandar Mlazev
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)
Rating total: 4 (2), current: 4 (2)
Released 02/08/2017
Updated 12/06/2023

WoodSynth is a synthesizer with 4 independent layers. Each layer is in fact a synthesizer on its own.

Price $15.99
Author Woodman's Immaculate Maple Syrup Studio
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU), Ableton Link
Rating total: 4.03704 (27), current: 4.03704 (27)
Released 01/17/2021
Updated 10/28/2025

The Chomplr name is taken from sample "Chopping Rompler", inspired by the timeless workflow of creating music using samples to make new works. Chomplr brings a new iOS approach to creative sample manipulation. As a standalone module or AUv3 plugin, Chomplr offers quick access to it's robust sample library and an online store is built in. 

Price $4.99
Author MSXII Sound Design
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audiobus, Audio Unit (AU)
Rating total: 4.03922 (102), current: 4.03922 (102)
Released 06/15/2020
Updated 01/26/2022

GarageBand is a DAW by Apple.

Price Free
Author Apple
Type Host, Instrument, Effect
Instrument type Sampler, Synth
Instrument sounds All-in-one
Effect type All-in-one
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.07444 (114258), current: 4.07444 (114258)
Released 03/10/2011
Updated 11/03/2025

These instruments are NOT sample libraries. Unlike sampling, which uses recordings to replicate the sound of an instrument, physical modeling doesn’t generate a sound as such but creates the conditions for the system to create it according to an external input (like someone playing on a keyboard).

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Synth
Instrument sounds Strings
Supports Audio Unit (AU)
Rating total: 4.07692 (13), current: 4.07692 (13)
Released 04/30/2021
Updated 04/29/2026

These instruments are NOT sample libraries. Unlike sampling, which uses recordings to replicate the sound of an instrument, physical modeling doesn’t generate a sound as such but creates the conditions for the system to create it according to an external input.

Price $29.99
Author Audio Modeling
Type Instrument
Instrument type Sampler, Synth
Instrument sounds Winds
Supports Audio Unit (AU)
Rating total: 4.09091 (11), current: 4.09091 (11)
Released 10/26/2021
Updated 04/29/2026

SquareSynth is a hybrid analog/8bit style synthesizer. It takes features from the NES console, and the Commodore 64 personal computer.

Price $9.99
Author James Navarro
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU)
Rating total: 4.10811 (37), current: 4.10811 (37)
Released 10/23/2018
Updated 10/24/2025

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
Author Kai Aras
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.125 (8), current: 4.125 (8)
Released 09/27/2017
Updated 04/29/2024

iSEM is a recreation of the classic 1974 Oberheim SEM (Synthesizer Expander Module), one of the world's first self-contained synthesizer modules and the first to bear the "Oberheim Electronics" name.

Price $9.99
Author Arturia
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.14754 (61), current: 4.14754 (61)
Released 10/09/2013
Updated 11/16/2019

DIGITALISM 2000 is a new vintage synth module featuring exclusive sounds recorded from Digital Synths from the early 2000s. Retro and modern.

Price Free
Author Audiobus Pty Ltd
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)
Rating total: 4.15441 (136), current: 4.15441 (136)
Released 01/18/2021
Updated 02/26/2025

Hammond B-3X is a next-level tonewheel organ app.  We’ve partnered with the Hammond Organ Company and Suzuki Musical Instruments to create the most immersive, authentic and powerful B-3 experience for use live on stage or as a plug-in inside recording apps.

Price $29.99
Author IK Multimedia US, LLC
Type Instrument
Instrument type Sampler, Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)
Rating total: 4.16667 (36), current: 4.16667 (36)
Released 12/16/2019
Updated 02/21/2025

Playset is an intuitive drum and synth sequencer, designed for instant fun and live music.

Price $6.99 $9.99
Author Fingerlab
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards, Drums, Percussion
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.16667 (12), current: 4.16667 (12)
Released 12/26/2019
Updated 02/10/2026

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: 4.18182 (11), current: 4.18182 (11)
Released 12/17/2014
Updated 01/19/2026

7Xwave - a 7 track sample sequencer with synthesizer & animatable modulation features.

Price $2.99
Author Rob Wilmot
Type Instrument, Tool
Instrument type Sampler
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.2 (10), current: 4.2 (10)
Released 08/28/2020
Updated 05/30/2025

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: 4.20988 (162), current: 4.20988 (162)
Released 01/07/2017
Updated 04/30/2026
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