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

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The Quinta Pitch Machine is more than your standard octave in that it not only gives you notes an octave up and an octave down, but also gives you a fifth up.

Price $4.99
Author Nembrini Audio
Type Effect
Effect type Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 3.28571 (7), current: 3.28571 (7)
Released 01/31/2021
Updated 10/11/2021

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

BLEASS Slow Machine can deepen any beat by completely or partially slowing down the audio signal, transform epic leads into heavy basses, and add some “tape stop” effect with precision either by touching the X/Y Stop trigger, or by dialing in precise sequence automations

Price $6.99 $4.99
Author BLEASS
Type Effect
Effect type Pitch effects, Other
Supports Audio Unit (AU)
Rating total: 4.73684 (38), current: 4.73684 (38)
Released 02/01/2021
Updated 09/26/2025

Flux Mini is an AUv3 audio effect that adds life, character and dynamism to your tracks. The customisable graph creates a shape which affects either the amplitude, low-pass filter or high-pass filter. You can emphasize the frequency modulation with the resonance knob too!

Price Free
Author Caelum Audio
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.72499 (40), current: 4.72499 (40)
Released 02/05/2021
Updated 02/19/2021

Smoov is a soft, clean and transparent sounding program-dependent AUv3, IAA & standalone compressor.

Price $4.99
Author Caelum Audio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.875 (8), current: 4.875 (8)
Released 02/12/2021
Updated 11/04/2022

A simple but fast low-pass filter with control over cutoff frequency and resonance factor.

Price $0.99
Author Brad Howes
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Released 02/15/2021
Updated 02/27/2026

A simple but straightforward flange 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: 5 (1), current: 5 (1)
Released 02/24/2021
Updated 02/27/2026

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 02/27/2026

Voice DC30 Custom Valve Guitar Amplifier plugin is characterised by it's "jangly" high-end sound it has become widely recognized by British musicians and others.

Price $19.99
Author Nembrini Audio
Type Effect
Effect type Guitar effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (7), current: 5 (7)
Released 03/14/2021
Updated 09/27/2021

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

BeatCutter is an experimental multi-channel app for slicing and recombining sound based on rhythm.

Price $15.99
Author Igor Vasiliev
Type Effect, Tool
Effect type Other
Supports Audiobus, Audio Unit (AU)
Rating total: 4.44827 (29), current: 4.44827 (29)
Released 04/02/2021
Updated 03/26/2026

A true guitarist’s amp, 20th Anniversary excels at clean, blues and rock tones, with a full pedalboard of classic FX and an eye-catching intuitive interface.

Price $11.99
Author db audioware
Type Effect
Effect type Guitar effects
Supports Audio Unit (AU)
Rating total: 4.7 (20), current: 4.7 (20)
Released 04/04/2021
Updated 04/04/2021

A love of vintage sounds and character is our thing and FlyTape 2 fits this ethos as a unique take on the features of classic tape.

Price $5.99
Author MSXII Sound Design
Type Effect
Effect type Other
Supports Audiobus, Audio Unit (AU)
Rating total: 4.42 (50), current: 4.42 (50)
Released 04/09/2021
Updated 06/09/2021

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
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

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: 4.98182 (55), current: 4.98182 (55)
Released 04/20/2021
Updated 11/05/2023

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: 4.24138 (29), current: 4.24138 (29)
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: 4.23529 (85), current: 4.23529 (85)
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: 4.59091 (22), current: 4.59091 (22)
Released 04/30/2021
Updated 09/13/2022

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
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