Audio Unit (AU) Effects (292)

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Audio Unit (AU) compatible iOS effect application list

Drum surgeon is a dynamics / transient processor specifically designed for fine tuning your drums.

Price $9.99 $5.99
Author 4Pockets.com
Type Effect
Effect type Other
Supports Audio Unit (AU)
Rating total: 4.55556 (9), current: 4.55556 (9)
Released 11/20/2020
Updated 09/03/2025

Steel Guitar PRO is a guitar processor that combines cutting-edge realtime audio generation with control interface. It provides guitar models, built-in amps & FX processing, MIDI control, AUv3, and good customizability.

Price $9.99 $2.49
Author Yonac Inc.
Type Effect
Effect type Guitar effects
Supports Audio Unit (AU)
Rating total: 4.54412 (68), current: 4.54412 (68)
Released 06/23/2022
Updated 07/08/2022

ToneStack PRO is a guitar effects processor.

Price $9.99 $2.49
Author Yonac Inc.
Type Effect
Effect type Guitar effects
Supports Audio Unit (AU)
Rating total: 4.24138 (87), current: 4.24138 (87)
Released 04/26/2021
Updated 05/12/2025

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: 4.68939 (132), current: 4.68939 (132)
Released 08/23/2018
Updated 06/28/2026

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: 4.22891 (166), current: 4.22891 (166)
Released 01/07/2017
Updated 06/27/2026

The MODEL ONE is a selected, fine-tuned general purpose (transistor ladder model) filter with the ability of strong self oscillation. The cutoff slope is approximately 24dB. It can be switched to low pass or high pass processing mode.

Price $9.99
Author Jens Guell
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (14), current: 5 (14)
Released 07/28/2019
Updated 02/20/2023

During a routine mining expedition in the outer regions of the galaxy five mysterious boxes of unknown origin were found. Rumours among the workers spread quickly that there was a strange feeling being around these boxes, as if time flows in a different way, not just forward but sometimes also folding back on itself. The miners nicknamed them, the five boxes of reverberation. After the excavation process, to study them more closely, it was decided to transport them back to earth.

Price $4.99
Author Erik Sigth
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.71929 (57), current: 4.71929 (57)
Released 10/02/2021
Updated 06/23/2026

Matrix Vocoder transforms your voice into an electronic instrument.

Price $9.99 $5.99
Author Harry Gohs
Type Effect
Effect type Vocoder
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.21053 (19), current: 4.21053 (19)
Released 09/26/2019
Updated 05/22/2025

The BLEASS reverb is a reverb plugin.

Price $6.99 $3.99
Author BLEASS
Type Effect
Effect type Reverb, Delay, Echo
Supports Audiobus, Audio Unit (AU)
Rating total: 4.74193 (31), current: 4.74193 (31)
Released 04/10/2019
Updated 09/12/2025

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 $3.99
Author BLEASS
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Audiobus, Audio Unit (AU)
Rating total: 4.94285 (35), current: 4.94285 (35)
Released 06/17/2020
Updated 08/20/2025

BLEASS delay transforms your sounds into cinematic and experimental sonic experiences! It is constantly creating flux in the audio signal making your music even more lively.
BLEASS delay is also ideal for making track build-ups and transitions.

Price $6.99 $3.99
Author BLEASS
Type Effect
Effect type Reverb, Delay, Echo
Supports Audiobus, Audio Unit (AU)
Rating total: 4.74 (50), current: 4.74 (50)
Released 02/21/2019
Updated 09/12/2025

JAX Stereo Tool is a visual Audio Unit plugin for manipulating the stereo image of digital audio.

Price $9.99 $5.99
Author Jens Guell
Type Effect
Effect type Stereo, Pan effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.57692 (26), current: 4.57692 (26)
Released 07/31/2019
Updated 07/25/2024

The JAF Collection is an exciting set of digital modeled classic analog synthesizer filters (VCFs) for iOS.

Price $29.99 $12.99
Author Jens Guell
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.9 (20), current: 4.9 (20)
Released 07/24/2019
Updated 02/20/2023

JAX Unisonic is a special Audio Unit, able to produce up to 8 additional voices from any audio input.

Price $29.99 $9.99
Author Jens Guell
Type Effect
Effect type Pitch effects
Supports Audio Unit (AU)
Rating total: 4.25 (8), current: 4.25 (8)
Released 12/23/2019
Updated 03/03/2024

Convolution is a highly complex signal processing approach, that needs some certain computation power. The recorded impulse response of a real world environment is used to render a reverberation effect onto any audio material, so that it sounds like the source was played in that original room or at that location.

Price $9.99
Author Jens Guell
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.59999 (5), current: 4.59999 (5)
Released 01/10/2020
Updated 03/03/2024

The Wood'nGate is an audio gate which is both a standalone app supporting IAA (Inter-App Audio) and an AUv3 audio unit plugin.

Price $3.99
Author Woodman's Immaculate Maple Syrup Studio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (6), current: 5 (6)
Released 09/17/2018
Updated 12/18/2024

The WoodLofier is both a standalone app and AUv3 plugin which combines 4 different sections to make your sound more lofi or to add some creative twist  : filtering (and Sample Rate reduction), a Tape wobble unit, Noise addition and Crushing (clipping, bit reduction and saturation).

Price $4.49
Author Woodman's Immaculate Maple Syrup Studio
Type Effect
Effect type Distortion, Drive etc., Other
Supports Audio Unit (AU)
Rating total: 5 (6), current: 5 (6)
Released 02/14/2019
Updated 10/12/2024

Woodpressor is a high-end audio compressor. It is both a standalone app supporting IAA (Inter-App Audio) and an AUv3 audio unit plugin.

Price $4.99
Author Woodman's Immaculate Maple Syrup Studio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (3), current: 5 (3)
Released 08/02/2018
Updated 04/18/2023

WoodScaper combines into one unit the 4 classic guitar effects : phaser, chorus/flanger, wah-wah and tremelo.

Price $4.99
Author Woodman's Immaculate Maple Syrup Studio
Type Effect
Effect type Chorus, Flanger, Phaser etc., Modulation effects, Pitch effects, Guitar effects
Supports Audio Unit (AU)
Rating total: 4.85714 (7), current: 4.85714 (7)
Released 05/03/2020
Updated 06/20/2024

Brusfri* is a highly advanced audio noise reducer, packed into a simple and straight-forward interface.

Price $7.99
Author Klevgränd produkter AB
Type Effect
Effect type Compressor, Limiter, Gate, Guitar effects, Other
Supports Audiobus, Audio Unit (AU)
Rating total: 4.0125 (80), current: 4.0125 (80)
Released 10/11/2017
Updated 04/29/2021
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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.