Audio Unit (AU) Equalizer, Filter Apps (75)

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

The EQ560 extends the features of the original hardware and joins the flexibility of the digital world to the character of the analog processing.

Price Free
Author RRS, OOO
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 3.3 (10), current: 3.3 (10)
Released 12/04/2019
Updated 09/21/2021

In the '80s it was the first to use a different approach to tonal adjustments. In conventional analog equalizers, whether they are shelving, sweepable, graphic or parametric types, various sections of the audio spectra are boosted or attenuated by adding or subtracting bandpasses. In this case, frequency shaping is achieved by summing bandpasses.

Price Free
Author RRS, OOO
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 5 (8), current: 5 (8)
Released 04/17/2020
Updated 09/20/2021

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: 4.84615 (26), current: 4.84615 (26)
Released 09/30/2014
Updated 09/28/2020

Based on Classic American EQ from the late '60s, the EQ550b is a continuation of the EQ that played a major role in the history of music recording, but with an additional filter band and several new frequencies.

Price Free
Author RRS, OOO
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 5 (4), current: 5 (4)
Released 04/10/2020
Updated 09/18/2021

The EQ550 faithfully captures the punch, low-frequency transparency, and ultra-tight imaging of iconic American EQs of the late 1960’s.

Price Free
Author RRS, OOO
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4 (4), current: 4 (4)
Released 04/10/2020
Updated 09/18/2021

ChannelEqualizer is a three band EQ AudioUnit Extension plugin, developed as an add-on for VADrumSM.

Price Free
Author Ryo Togawa
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.33333 (12), current: 4.33333 (12)
Released 05/19/2020
Updated 09/17/2021

Import audio and instantly get a mastered version. Immediately hear a boost in volume and overall sweetening of the mix.

Price $19.99
Author Future Moments
Type Effect
Effect type Equalizer, Filter, Compressor, Limiter, Gate, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.59497 (358), current: 4.59497 (358)
Released 06/13/2017
Updated 09/10/2021

SideBand Remix is an AUv3 plugin for final mixing and mastering. It separates the phantom center from sideband (L/R) content which is what give a stereo track its width, and lets you remix it.

Price $7.99
Author 4Pockets.com
Type Effect
Effect type Equalizer, Filter, Other
Supports Audio Unit (AU)
Rating total: 5 (1), current: 5 (1)
Released 07/19/2021
Updated 08/10/2021

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: 4.8 (15), current: 4.8 (15)
Released 09/09/2020
Updated 06/11/2021

ToneBoosters Equalizer is a dynamic equalizer plug-in.

Price $13.99
Author ToneBoosters
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.79487 (39), current: 4.79487 (39)
Released 07/30/2019
Updated 08/16/2021

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: 4.6875 (16), current: 4.6875 (16)
Released 11/16/2019
Updated 08/16/2021

Dual VCF adds motion, shape, and colour. It produces evolving rhythmic movement and complex dynamic filter shapes.

Price $4.99
Author ToneBoosters
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (16), current: 5 (16)
Released 04/01/2020
Updated 08/16/2021

Visual EQ Console is a multi-band EQ console with the ability to analyse audio in real time giving a spectrum representation of the frequency response. 

Price $5.99
Author 4Pockets.com
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.46666 (15), current: 4.46666 (15)
Released 06/23/2019
Updated 10/20/2020

An audio coloration utility plugin featuring individual modes for classic emulation of some iconic music production tools.

Price $4.99
Author MSXII Sound Design
Type Effect
Effect type Equalizer, Filter, Other
Supports Audio Unit (AU)
Rating total: 3.53261 (92), current: 3.53261 (92)
Released 12/01/2017
Updated 12/11/2020

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

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: 4.83333 (24), current: 4.83333 (24)
Released 11/07/2019
Updated 09/24/2020

soda is a DJ application. It's customisable Interface let's you focus only on the features that are important to you.

Price $9.99
Author AppBC
Type Host, Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo, Chorus, Flanger, Phaser etc.
Supports Audio Unit (AU), Ableton Link
Rating total: 3.22222 (9), current: 3.22222 (9)
Released 12/04/2017
Updated 07/21/2021

FabFilter Saturn 2 is a high-quality distortion/saturation plug-in with a huge range of distortion models ranging from subtle to screaming vintage amp modelling, multiple frequency bands, hugely flexible modulation system, and a very modern, well-designed user interface.

Price $26.99
Author FabFilter
Type Effect
Effect type Equalizer, Filter, Distortion, Drive etc., Guitar effects
Supports Audio Unit (AU)
Rating total: 4.92 (25), current: 4.92 (25)
Released 06/25/2020
Updated 07/06/2021

FabFilter Pro-MB is a multiband dynamics plug-in featuring an optimized workflow: up to six compression/expansion bands can be placed freely anywhere in the spectrum.

Price $39.99
Author FabFilter
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 5 (11), current: 5 (11)
Released 06/21/2019
Updated 07/06/2021

FabFilter Pro-Q 3 is an EQ plug-in with up to 24 bands, analog modeling, dynamic EQ, linear phase processing.

Price $29.99
Author FabFilter
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.86667 (30), current: 4.86667 (30)
Released 06/21/2019
Updated 07/06/2021
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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.