iOS Musician Apps (292) Supported Technologies is Audio Unit (AU), Type is Effect

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Ratshack Reverb is a detailed model of that classic of classics, the Realistic Electronic Reverb. Now, you can have the sound of everyone's first analog delay unit, without ever having to change batteries!

Price $0.99
Author Audio Damage, Inc.
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.73913 (23), current: 4.73913 (23)
Released 10/20/2018

The BLEASS reverb is a reverb plugin.

Price $6.99
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

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: 4.74468 (47), current: 4.74468 (47)
Released 06/21/2019
Updated 03/23/2026

PD Space Guitar Synthesizer pimps up your guitartone with polyphonic saw and square-like waves, pitchshifting, modulation,  filtering and more
it brings fluid realtime crazyness to your guitar.

Price $12.99
Author Paul Driessen
Type Effect
Instrument sounds Guitar, Bass
Effect type Guitar effects, Bass effects, Other
Supports Audio Unit (AU)
Rating total: 4.75 (16), current: 4.75 (16)
Released 09/16/2022
Updated 11/13/2023

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: 4.7619 (21), current: 4.7619 (21)
Released 06/21/2019
Updated 12/20/2023

Mammoth is a bass plugin featuring two-band signal processing that includes a bass maximizer, 3 types of drive, a tone stack, cabinet simulations and much more.

Price $7.99
Author Aurora DSP
Type Effect
Effect type Bass effects
Supports Audio Unit (AU)
Rating total: 4.76471 (17), current: 4.76471 (17)
Released 06/16/2020
Updated 07/17/2024

The MRH810 Lead Series is a guitar amplifier plugin. The MRH810 Lead Series provides all the versatility of the 800 and more in plugin form.

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: 4.76471 (17), current: 4.76471 (17)
Released 04/01/2020
Updated 09/28/2021

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: 4.76923 (13), current: 4.76923 (13)
Released 04/10/2020
Updated 01/02/2026

Bit Maestro is an AUv3 bit crusher that goes beyond regular bit rate reduction, allowing you to affect and manipulate your sound at the individual bit level.

Price $4.99
Author David Blake
Type Effect
Effect type Distortion, Drive etc., Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.76923 (26), current: 4.76923 (26)
Released 02/20/2020
Updated 03/20/2020

Electrogene is a low fidelity audio effect combining bit-crusher, modulation, saturation and filter with scope visualizer.

Price $4.99
Author BACKPULLVER SOFTWARE LTD OOD
Type Effect
Effect type Equalizer, Filter, Distortion, Drive etc., Modulation effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.76923 (13), current: 4.76923 (13)
Released 11/05/2018
Updated 02/19/2024

Kleverb is an algorithmic reverb effect.

Price $19.99
Author Klevgränd produkter AB
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.76923 (13), current: 4.76923 (13)
Released 10/31/2018
Updated 09/17/2021

The EQ-A based on Classic British EQ from the '70s. With a wide range of tonal variations, the EQ-A is an audio tool with great flexibility and sonic ability.

Price Free
Author RRS, OOO
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.77273 (22), current: 4.77273 (22)
Released 01/02/2020
Updated 12/28/2025

ToneBoosters Reverb is a studio-quality reverberation plug-in.

Price $8.99
Author ToneBoosters
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.77778 (54), current: 4.77778 (54)
Released 08/13/2019
Updated 05/30/2026

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 $5.00
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: 4.78125 (32), current: 4.78125 (32)
Released 09/09/2020
Updated 09/07/2025

The Analog Rack Delay plugin is the power of Nembrini Audio’s delay algorithms in a simple package! BPM Sync, stereo spread circuit and a very juicy sound!

Price Free
Author Nembrini Audio
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.78125 (32), current: 4.78125 (32)
Released 02/05/2020
Updated 09/27/2021

TTAP for iOS is an AUv3 delay effect inspired both by adventures with analog tape and by otherworldly textural effects only possible in the digital world.

Price $5.99
Author K-Devices
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.78261 (23), current: 4.78261 (23)
Released 06/29/2020
Updated 09/02/2020

WOV for iOS is an AUv3 effect for making a wide range of textures out of your sounds – from familiar tremolo waves to glitchy stutters and everything in between.

Price $5.99
Author K-Devices
Type Effect
Supports Audio Unit (AU)
Rating total: 4.78261 (23), current: 4.78261 (23)
Released 05/04/2020
Updated 03/31/2021

ToneBoosters Compressor is an AUv3 plugin for mastering-grade compression and dynamics processing.

Price $8.99
Author ToneBoosters
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.79167 (24), current: 4.79167 (24)
Released 06/23/2020
Updated 05/30/2026

ToneBoosters Barricade is a peak limiter and compressor.

Price $8.99
Author ToneBoosters
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.7931 (29), current: 4.7931 (29)
Released 09/17/2019
Updated 05/26/2026

CuSnP is a sympathetic string simulation. Input audio excites the strings and causes them to resonate much like the open strings on a piano will resonate when some other sound source excites them.

Price Free
Author Neon Silicon
Type Effect
Effect type Other
Supports Audio Unit (AU)
Rating total: 4.79487 (39), current: 4.79487 (39)
Released 02/07/2019
Updated 04/13/2021