iOS Musician Apps (297) Supported Technologies is Audio Unit (AU), Type is Effect

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RM-1 is a multi purpose audio effect designed around various types of modulation.

Price $9.99
Author Kai Aras
Type Effect
Effect type Modulation effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.55556 (18), current: 4.55556 (18)
Released 12/15/2018
Updated 08/31/2020

VC-1 is a vintage voiced chorus effect capable of delivering many classic chorus sounds but it doesn't stop there.

Price $5.99
Author Kai Aras
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.75 (4), current: 4.75 (4)
Released 09/05/2017
Updated 01/24/2020

Dual Digital Delay FX. Two separate (stereo) delay lines allow for a wide range of effects ranging from basic slapback and ping-ping type echos to complex modulations and soundscapes.

Price $5.99
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 3.86667 (15), current: 3.86667 (15)
Released 03/22/2016
Updated 04/14/2022

RE-1 is a full featured virtual Tape Machine capable of delivering authentic tape based echo and chorus effects but it doesn't stop there. With it's interactive tape player, sample, loop and overdub features it's possible to use it like a virtual tape recorder, sample player, looper or simply as a master effect.

Price $9.99
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.70543 (129), current: 4.70543 (129)
Released 08/23/2018
Updated 04/29/2024

MicSwap is a Microphone Emulator and Recorder app.

Price Free
Author Future Moments
Type Effect
Effect type Vocal effects, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.49852 (6772), current: 4.49852 (6772)
Released 12/07/2014
Updated 08/24/2025

BLEASS Shimmer is an AUv3 compatible Shimmer Reverb Effect that brings harmonic tails to any sound or instrument with very low CPU usage.

Price $6.99
Author BLEASS
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Audiobus, Audio Unit (AU)
Rating total: 4.94118 (34), current: 4.94118 (34)
Released 06/17/2020
Updated 08/20/2025

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: 4.2293 (157), current: 4.2293 (157)
Released 01/07/2017
Updated 08/19/2025

This app is a music player that can process the following effects in real time: Time stretch (0.5-2.0 double speed), Pitch shift (-1 ~ +1 octave), 10 band equalizer.

Price $0.99
Author Loop-Sessions.LLC.
Type Effect
Effect type Equalizer, Filter, Pitch effects
Supports Audio Unit (AU)
Rating total: 3.77273 (22), current: 3.77273 (22)
Released 11/15/2013
Updated 08/17/2025

If you play a musical instrument, this app should be supported by you lower the speed and play when you copy of a musical piece.

Price Free
Author Loop-Sessions.LLC.
Type Effect
Effect type Pitch effects
Supports Audio Unit (AU)
Rating total: 3.33333 (18), current: 3.33333 (18)
Released 04/26/2013
Updated 08/17/2025

If you play a musical instrument or sing a song, this app should be supported by you higher / lower the pitch.

Price Free
Author Loop-Sessions.LLC.
Type Effect
Effect type Equalizer, Filter, Pitch effects
Supports Audio Unit (AU)
Rating total: 4.30985 (71), current: 4.30985 (71)
Released 07/16/2013
Updated 08/16/2025

BLEASS Motion FX contains 11 different effects which you can modulate precisely thanks to an intuitive and comprehensive sequencer.

Price $7.99
Author BLEASS
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo, Modulation effects, Pitch effects, Other
Supports Audio Unit (AU)
Rating total: 4.83333 (12), current: 4.83333 (12)
Released 03/21/2021
Updated 08/15/2025

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

Transit hosts 18 effect-modules, freely loadable across 7 slots.

Price $29.99
Author Baby Audio Inc.
Type Effect
Effect type Other
Supports Audio Unit (AU)
Rating total: 3.88889 (18), current: 3.88889 (18)
Released 11/08/2023
Updated 05/26/2025

FAC Phazer will satisfy most fans of phasing effects, and will seduce them by its rich sonic palette offer along with its elegant interface.

Price $9.99
Author Frederic Corvest
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Audio Unit (AU)
Rating total: 5 (30), current: 5 (30)
Released 05/04/2020
Updated 07/27/2025

A simple but straightforward phaser audio effect to give you that nice retro feel.

Price $0.99
Author Brad Howes
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Audio Unit (AU)
Rating total: 3 (1), current: 3 (1)
Released 03/11/2021
Updated 07/25/2025

iDensity is a new real-time software designed for asynchronous sound file granulation, a genuine granular playground able to generate a wide range of effects.

Price $9.99
Author apeSoft
Type Effect
Effect type All-in-one, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.91303 (46), current: 4.91303 (46)
Released 09/16/2011
Updated 07/25/2025

apeDelay - spectral Delay implements up to 2048 delay lines with feedback or up to 2048 Brick-wall filters.

Price $6.99
Author apeSoft
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.58824 (17), current: 4.58824 (17)
Released 06/20/2015
Updated 07/22/2025

Import audio and instantly get a mastered version. Immediately hear a boost in volume and overall sweetening of the mix.

Price $29.99
Author Future Moments
Type Effect
Effect type Equalizer, Filter, Compressor, Limiter, Gate, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.65728 (639), current: 4.65728 (639)
Released 06/13/2017
Updated 07/23/2025

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: 4.48909 (2386), current: 4.48909 (2386)
Released 07/14/2016
Updated 07/23/2025

apeFilter is a sophisticated Equaliser, the DSP is based on the Biquad/Cascade filters, very fast!

Price $7.99
Author apeSoft
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.84848 (33), current: 4.84848 (33)
Released 09/30/2014
Updated 07/22/2025
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