iOS Musician Apps (288) Supported Technologies is Audio Unit (AU), Type is Effect

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rejected, macDeeTrim is a simple plugin which controls the volume from -12dB to +3dB. It can keep the output level constant from any input level.

Price $7.99
Author fmfmsoft Corp.
Type Effect
Effect type Compressor, Limiter, Gate
Supports Audio Unit (AU)
Rating total: 2.6 (5), current: 2.6 (5)
Released 12/09/2020
Updated 11/29/2024

DOTEC-AUDIO presents DeePopMax, a big hit“Loudness Maximizer" for MacOS, now available for iOS, including AudioUnit V3 support.

Price $7.99
Author fmfmsoft Corp.
Type Effect
Effect type Equalizer, Filter, Compressor, Limiter, Gate, Other
Supports Audio Unit (AU)
Rating total: 5 (2), current: 5 (2)
Released 08/31/2020
Updated 04/03/2026

DOTEC-AUDIO presents DeeEQ, as a popular "Equalizer" for MacOS, now available for iOS, including AudioUnit V3 support.

Price $7.99
Author fmfmsoft Corp.
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 5 (2), current: 5 (2)
Released 08/31/2020
Updated 11/29/2024

DLYM is a ‘Delay Modulator’ plugin which produces flanger and chorus style effects using Imaginando’s powerful processing technology.

Price $7.99
Author Imaginando Lda
Type Effect
Effect type Reverb, Delay, Echo, Chorus, Flanger, Phaser etc.
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.44036 (109), current: 4.44036 (109)
Released 06/20/2018
Updated 11/12/2024

Discord4 is the latest version of our most popular and long-lived product, our Discord stereo pitch shifter. Originally modeled from the H910, Discord has long since become its own effect and a studio standby, and this version includes major additions to further stretch its capabilities.

Price $8.99
Author Audio Damage, Inc.
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.68966 (29), current: 4.68966 (29)
Released 02/24/2018
Updated 10/09/2019

Traditional EQs influence the spectrum of the whole stereo field simultaneously. DirectionalEQ takes this concept one big step further: now you can equalize all directions in the stereo field independently.

Price $9.99
Author Christian Siedschlag
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 3.64286 (14), current: 3.64286 (14)
Released 10/27/2017
Updated 01/02/2026

It's vintage and It's very warm. All the sounds come from impulse responses grappled on the web.

Price $3.99
Author Julien Faure
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.5 (8), current: 4.5 (8)
Released 02/01/2021
Updated 11/24/2021

DerVoco is a vintage vocoder emulation. DerVoco uses analog modelled components including filters, envelope followers and companders to create a warm vintage sound instead of digital techniques like FFT.

Price $2.99
Author BeepStreet
Type Effect
Effect type Vocoder
Supports Audio Unit (AU)
Rating total: 3.63636 (22), current: 3.63636 (22)
Released 07/02/2018

Modeled on the Roland SDE-3000 rack delay unit, the new DELAY3000 Vintage Modern Repeater plugin adds new features and an easy to use user interface that gives you a complete arsenal of delay effects at your disposal!

Price $9.99
Author Nembrini Audio
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (18), current: 5 (18)
Released 04/01/2020
Updated 09/27/2021

Degrader is a combined resampler and bit crusher AUv3 plugin.

Price $13.99
Author Klevgränd produkter AB
Type Effect
Effect type Distortion, Drive etc., Other
Supports Audio Unit (AU)
Rating total: 5 (5), current: 5 (5)
Released 09/20/2018
Updated 03/09/2021

This is actually a trio of effects all rolled into a single package which are ideally suited but not limited to voice recordings (De-Esser, a Vocal Doubler and a Noise Gate).

Price $9.99
Author 4Pockets.com
Type Effect
Effect type Compressor, Limiter, Gate, Vocal effects
Supports Audio Unit (AU)
Rating total: 3.42105 (19), current: 3.42105 (19)
Released 05/08/2019
Updated 09/02/2025

DC-9 Overdrive is a circuit modeled overdrive plug-in that emulates the famous Ibanez® TS9 Tube Screamer.

Price Free
Author Blamsoft, Inc.
Type Effect
Effect type Distortion, Drive etc.
Supports Audio Unit (AU)
Rating total: 4.21429 (14), current: 4.21429 (14)
Released 02/09/2016
Updated 04/29/2024

DAW LP is an Audio Unit effect that emulates the sound of a vinyl disc (and player).

Price $13.99
Author Klevgränd produkter AB
Type Effect
Effect type Distortion, Drive etc., Other
Supports Audiobus, Audio Unit (AU)
Rating total: 3.57143 (7), current: 3.57143 (7)
Released 07/03/2018
Updated 03/13/2023

DAW Cassette is an Audio Unit effect that emulates the sound of a classical tape deck.

Price $13.99
Author Klevgränd produkter AB
Type Effect
Effect type Other
Supports Audiobus, Audio Unit (AU)
Rating total: 4.53846 (26), current: 4.53846 (26)
Released 04/27/2018
Updated 06/02/2021

CuSnP is a sympathetic string simulation. Input audio excites the strings and causes them to resonate much like the open strings on a piano will resonate when some other sound source excites them.

Price Free
Author Neon Silicon
Type Effect
Effect type Other
Supports Audio Unit (AU)
Rating total: 4.78946 (38), current: 4.78946 (38)
Released 02/07/2019
Updated 04/13/2021

Cubasis LE is the compact version of Steinberg’s sequencer for the iPad, providing the same look and feel of its bigger brother Cubasis.

Price Free
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), Audio Unit (AU)
Rating total: 2.7561 (41), current: 2.7561 (41)
Released 11/02/2015
Updated 11/24/2021

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

Price $14.00
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

Eventide Crystals Harmonizer® combines twin reverse pitch shifters with reverse delays and reverb. This iconic H3000 effect can be used to create out-of-this-world climbing and cascading pitched delays or to create unique sounding reverbs. It features two reverse granular delays that can be manipulated by length and pitch.

Price $14.99
Author Eventide
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo, Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.59999 (20), current: 4.59999 (20)
Released 06/08/2020
Updated 03/06/2024

CrushStation is an overdrive/distortion effects plug-in with controls that drive your tone anywhere from a creamy saturation to a brutal sonic assault, with everything in between.

Price $14.99
Author Eventide
Type Effect
Effect type Distortion, Drive etc.
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.66667 (12), current: 4.66667 (12)
Released 04/20/2020
Updated 03/06/2024

Comp 609 is a compressor AUv3 plug-in.

Price Free
Author RRS, OOO
Type Effect
Effect type Compressor, Limiter, Gate
Supports Audio Unit (AU)
Rating total: 4.84 (25), current: 4.84 (25)
Released 08/15/2020
Updated 12/28/2025