Audio Unit (AU) Equalizer, Filter Apps (79)

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Audio Unit (AU) technology enabled Equalizer, Filter effect app list for iOS

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 $1.99
Author Loop-Sessions.LLC.
Type Effect
Effect type Equalizer, Filter, Pitch effects
Supports Audio Unit (AU)
Rating total: 1 (3), current: 1 (3)
Released 11/15/2013
Updated 06/14/2022

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: 3.05882 (17), current: 3.05882 (17)
Released 07/16/2013
Updated 06/14/2022

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 $6.99
Author Eventide
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo, Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.73332 (15), current: 4.73332 (15)
Released 06/08/2020
Updated 03/23/2022

Bark Filter is a Critical Band Analyser/Filter/Compressor.

Price $3.99
Author Harry Gohs
Type Effect, Tool
Effect type Equalizer, Filter, Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.8 (15), current: 4.8 (15)
Released 08/03/2017
Updated 08/11/2017

BLEASS Motion EQ is a 3-band equalizer with multi-outs and 2 LFOs.

Price $3.99
Author BLEASS
Type Effect
Effect type Equalizer, Filter
Supports Audiobus, Audio Unit (AU)
Rating total: 5 (11), current: 5 (11)
Released 12/14/2020
Updated 06/02/2022

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: 4.4 (10), current: 4.4 (10)
Released 04/23/2021
Updated 05/27/2022

NeSi xTrem is a stereo-stereo tremolo effect that uses FM based LFO's and includes VCA and low-pass gate based modulation of the audio signal volume.

Price Free
Author Neon Silicon
Effect type Equalizer, Filter, Modulation effects
Supports Audio Unit (AU)
Rating total: 4.69231 (13), current: 4.69231 (13)
Released 02/16/2021
Updated 05/27/2022

LRC5 is a five-band EQ. It includes low shelf, high shelf, and three parametric peak/cut filters.

Price Free
Author Neon Silicon
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.53846 (39), current: 4.53846 (39)
Released 02/07/2019
Updated 05/27/2022

Shape your sound with advanced equalising to make your tracks fit in the mix.

Price $19.99
Author Klevgränd produkter AB
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.83333 (12), current: 4.83333 (12)
Released 08/27/2018
Updated 03/09/2021

Knorr is a plugin that adds intensity and edge to a monophonic low frequency audio source (like a bass). The algorithm adds overtones to an existing sound in a way that isn’t possible with ordinary distortion or filtering.

Price $9.99
Author Klevgränd produkter AB
Type Effect
Effect type Equalizer, Filter, Other
Supports Audio Unit (AU)
Rating total: 3.66667 (3), current: 3.66667 (3)
Released 10/14/2019
Updated 10/15/2019

This audio effect is an advanced de-esser with an intuitive user interface.

Price $7.99
Author Klevgränd produkter AB
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.36364 (11), current: 3.36364 (11)
Released 10/11/2015
Updated 03/02/2017

BLEASS filter is an essential tool for musicians: inspired by classic analog filters, it features an envelope follower as well as a LFO and a warm sound which create mind boggling filter sweep effects on any sound source: guitars, vocals, keyboards, drums ...

Price $3.99
Author BLEASS
Type Effect
Effect type Equalizer, Filter, Modulation effects
Supports Audiobus, Audio Unit (AU)
Rating total: 5 (10), current: 5 (10)
Released 06/20/2019
Updated 05/19/2022

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

Price $11.99
Author ToneBoosters
Type Effect
Effect type Equalizer, Filter, Other
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.70587 (17), current: 4.70587 (17)
Released 11/16/2019
Updated 05/07/2022

Yukawa is an AUv3 compatible multi-effects plug-in that combines a tempo-synchronized multi-tap sequence delay that produces rhythmic phrases, a modulatable stereo delay, and a DJ mixer-style filter.

Price $7.99
Author iceWorks, Inc.
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.82353 (17), current: 4.82353 (17)
Released 09/09/2020
Updated 06/11/2021

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

Price $5.99
Author apeSoft
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.84615 (26), current: 4.84615 (26)
Released 09/30/2014
Updated 10/04/2021

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

Price $11.99
Author fmfmsoft Corp.
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Released 08/31/2020
Updated 12/10/2020

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

Price $11.99
Author fmfmsoft Corp.
Type Effect
Effect type Equalizer, Filter, Compressor, Limiter, Gate, Other
Supports Audio Unit (AU)
Released 08/31/2020
Updated 12/10/2020

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

Price $9.99
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: 4.7037 (27), current: 4.7037 (27)
Released 11/07/2019
Updated 09/24/2020

SF-1 is a dual Stereo Filter Effect with a special focus on expressiveness.

Price $5.99
Author Kai Aras
Type Effect
Effect type Equalizer, Filter, Stereo, Pan effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.77778 (9), current: 3.77778 (9)
Released 05/31/2019
Updated 09/28/2020

Analog Rack Guitar Equalizer a 7 bands graphic eq plugin especially tuned for guitar, inspired by the compact Japanese eq pedal.

Price $3.99
Author Nembrini Audio
Type Effect
Effect type Equalizer, Filter, Guitar effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (6), current: 5 (6)
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.