iOS Musician Apps (578) Supported Technologies is Audio Unit (AU)

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ID700 is a software synthesizer based on the voice architecture of the Buchla 700. Sound generation is achieved primarily via FM synthesis and waveshaping.

Price $12.99
Author Jonathan Schatz
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.78992 (119), current: 4.78992 (119)
Released 04/12/2021
Updated 03/23/2024

Respiro Wind-Synth for iOS is a free standalone app (IAA) and AUv3 plugin synthesizer giving you access to six fully functional wind instruments for your device.

Price Free
Author IMOXPLUS
Type Instrument
Instrument type Sampler
Instrument sounds Winds
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.61111 (18), current: 4.61111 (18)
Released 04/14/2021
Updated 02/07/2023

Based on creative techniques developed by studio engineers and producers in the early 1980s, Shimmer Delay Ambient Machine combines reverb, pitch shifting, and feedback to create out-of- this-world soundscapes and spaces.

Price $8.99 $6.99
Author Nembrini Audio
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (4), current: 5 (4)
Released 04/17/2021
Updated 11/29/2024

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: 4.75349 (215), current: 4.75349 (215)
Released 04/18/2021
Updated 07/07/2025

CHOW Tape Model is a physical model of an analog tape machine, implemented as an audio plugin.

Price Free
Author Jatin Chowdhury
Type Effect
Effect type Other
Supports Audio Unit (AU)
Rating total: 4.98076 (52), current: 4.98076 (52)
Released 04/20/2021
Updated 11/05/2023

Helium is a lightweight AUv3 MIDI sequencer plugin designed specifically for AUM. It supports up to 16 tracks of unlimited length with the ability to direct output to 16 channels on up to 16 MIDI output ports.

Price $14.99
Author 4Pockets.com
Type Host
Supports Audio Unit (AU)
Rating total: 4.45652 (46), current: 4.45652 (46)
Released 04/22/2021
Updated 08/28/2025

LRC7 is a seven-band EQ. It includes low shelf, high shelf, parametric peak/cut, notch, and various Butterworth low-pass and high-pass filters.

Price Free
Author Neon Silicon
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.23076 (26), current: 4.23076 (26)
Released 04/23/2021
Updated 05/27/2022

Fasten your seat belt, the Big Bull is Here. You play Rock, Heavy Metal, Hard rock, Hardcore, Whatever Metal, Whatever Rock, even Blues ? This amp is for you ! You have some wallpaper to peel, this app is for you too.

Price Free
Author Julien Faure
Type Effect
Effect type Distortion, Drive etc., Guitar effects
Supports Audiobus, Audio Unit (AU)
Rating total: 5 (5), current: 5 (5)
Released 04/26/2021
Updated 09/11/2021

ToneStack PRO is a guitar effects processor.

Price $9.99
Author Yonac Inc.
Type Effect
Effect type Guitar effects
Supports Audio Unit (AU)
Rating total: 4.33333 (72), current: 4.33333 (72)
Released 04/26/2021
Updated 05/12/2025

Beef is a multi-effect audio plugin with a sole purpose, to make your tracks sound BEEFY. Beef was originally built to focus on creating the fattest basses and drums as possible.

Price $7.99
Author Caelum Audio
Type Effect
Effect type Bass effects
Supports Audio Unit (AU)
Rating total: 4.57143 (21), current: 4.57143 (21)
Released 04/30/2021
Updated 09/13/2022

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 (11), current: 4 (11)
Released 04/30/2021
Updated 07/01/2025

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: 4.2 (5), current: 4.2 (5)
Released 04/30/2021
Updated 07/01/2025

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 Bass
Supports Audio Unit (AU)
Rating total: 4.3 (10), current: 4.3 (10)
Released 04/30/2021
Updated 07/01/2025

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: 4.45455 (11), current: 4.45455 (11)
Released 04/30/2021
Updated 07/01/2025

WebSDR is an Audio Unit Plugin that plays audio from Software Defined Radio (SDR) streams. It allows you to incorporate the sound of live radio into a live music performance.

Price $5.99
Author Blue Mangoo Consulting Company Limited
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audio Unit (AU)
Rating total: 2.5 (26), current: 2.5 (26)
Released 05/01/2021
Updated 04/06/2022

Clon Minotaur Transparent Overdrive is modeled on The Klon Centaur* a guitar overdrive pedal developed between 1990 and 1994. The Clon Minotaur is characterized as a "transparent" overdrive, meaning it adds gain to the signal without significantly altering the tone of the guitar.

Price Free
Author Nembrini Audio
Type Effect
Effect type Distortion, Drive etc., Guitar effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.95455 (22), current: 4.95455 (22)
Released 05/03/2021
Updated 09/27/2021

Euclid Goes to Party is a synth with a PWM oscillator and an euclidean sequencer. You can create techno bass lines very easily with its sequencer.

Price $4.99
Author Cem Olcay
Type Instrument
Instrument type Synth
Instrument sounds Bass
Supports Audio Unit (AU), Ableton Link
Rating total: 4.25 (8), current: 4.25 (8)
Released 05/13/2021
Updated 05/13/2021

Specific sound morphing capabilities enables you to easily create complex evolving sound scapes, vocal phrases or stunning rhythms simply by choosing up to four sound sources from a predefined set.

Price $14.99
Author Harry Gohs
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.3125 (16), current: 4.3125 (16)
Released 05/13/2021
Updated 12/05/2024

Waverley Tables is a sample-based instrument, or “ROMPLER”. It is not a synthesiser that allows you to create your own instruments. Instead, the instruments have already been created.

Price $1.99
Author Rob Jackson
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards
Supports Audio Unit (AU)
Rating total: 4.66667 (9), current: 4.66667 (9)
Released 05/18/2021
Updated 01/30/2025

FabFilter Timeless 3 is a versatile, vintage-sounding tape delay, which will fully satisfy your everyday delay needs.

Price $24.99
Author FabFilter
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 5 (27), current: 5 (27)
Released 05/27/2021
Updated 12/19/2023