Audio Unit (AU) Effects (304)

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Audio Unit (AU) compatible iOS effect application list

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: 4.83333 (36), current: 4.83333 (36)
Released 02/01/2021
Updated 06/02/2023

NuRack is an AUv3 based multi-channel audio effects processor with a difference, it actually allows you to design your own custom effects using the building blocks provided.

Price $12.99
Author 4Pockets.com
Type Effect
Effect type All-in-one
Supports Audio Unit (AU)
Rating total: 4.7 (40), current: 4.7 (40)
Released 06/26/2020
Updated 07/01/2025

Tape Pro is a multi-fx tape emulation AUv3 plugin and app that introduces warmth, frequency shaping, modulation, noise and delay.

Price $7.99 $3.99
Author Caelum Audio
Type Effect
Effect type Equalizer, Filter, Other
Supports Audio Unit (AU)
Rating total: 4.78571 (14), current: 4.78571 (14)
Released 10/30/2020
Updated 12/17/2022

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

Price $5.99 $2.99
Author apeSoft
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.84375 (32), current: 4.84375 (32)
Released 09/30/2014
Updated 07/01/2025

Schlap is a characterful, colourful and aggressive sounding program-dependent AUv3, IAA & standalone compressor.

Price $4.99 $2.99
Author Caelum Audio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.94118 (17), current: 4.94118 (17)
Released 12/31/2020
Updated 11/04/2022

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

Price $4.99 $2.99
Author Caelum Audio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.85714 (7), current: 4.85714 (7)
Released 02/12/2021
Updated 11/04/2022

Overloud TH-U turns your iOS device into a Guitar and Bass amp simulator, to let you play live, practice or record: standalone and AUv3 included.

Price Free
Author Almateq SRL
Type Effect
Effect type Guitar effects, Bass effects
Supports Audio Unit (AU)
Rating total: 4.1573 (89), current: 4.1573 (89)
Released 05/25/2020
Updated 07/01/2025

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 $3.99
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

RF-1 is an Algorithmic Reverb (AU, AB, IAA, Standalone).

Price $5.99 $2.99
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.58333 (12), current: 4.58333 (12)
Released 10/13/2016
Updated 10/05/2020

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: 4.21711 (152), current: 4.21711 (152)
Released 01/07/2017
Updated 06/30/2025

FD-1 is a Semi-Modular Effect Plugin including dedicated Filter, Delay and Modulation sections.

Price $9.99 $4.99
Author Kai Aras
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo, Modulation effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.74193 (31), current: 4.74193 (31)
Released 11/07/2019
Updated 09/24/2020

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 $4.99
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.70078 (127), current: 4.70078 (127)
Released 08/23/2018
Updated 04/29/2024

ToneBoosters Morphit is an AUv3 plugin for headphones correction and simulation and removes any unwanted coloration from your headphones!

Price $8.99
Author ToneBoosters
Type Effect
Effect type Equalizer, Filter, Other
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.63333 (30), current: 4.63333 (30)
Released 11/16/2019
Updated 06/29/2025

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

Price $5.99 $2.99
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

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

Price $9.99 $4.99
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

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 $2.99
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

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

BST100 Super Overdrive guitar amplifier plugin is a perfect emulation of the 90s guitar amplifier Holy Grail!

Price $19.99 $9.99
Author Nembrini Audio
Type Effect
Effect type Distortion, Drive etc., Guitar effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (17), current: 5 (17)
Released 02/29/2020
Updated 02/23/2024

The PSA1000 Jr Analog Saturation Unit plugin is a modern recreation of a '90s classic analog guitar preamp which is used in recording studios all around the world.

Price $14.99 $8.99
Author Nembrini Audio
Type Effect
Effect type Guitar effects, Other
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (21), current: 5 (21)
Released 02/16/2020
Updated 09/28/2023

Analog Rack Flanger a Fx plugin which let you apply beautiful Flanger Fx to each track with three simple knobs.

Price $3.99 $2.99
Author Nembrini Audio
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.57143 (7), current: 4.57143 (7)
Released 02/08/2020
Updated 09/27/2021
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Did you know?

Audio Units (AU) is an audio plug-in technology built in Apple's macOS and iOS operating systems. Initially developed for desktop operating systems along with VST (Virtual Studio Technology by Steinberg GmbH), it available now for iOS too. AU apps (plug-ins) can modify sound pitch, sample rate and stream over network, produce signal.