Audio Unit (AU) Reverb, Delay, Echo Apps (77)

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Audio Unit (AU) technology enabled Reverb, Delay, Echo effect app list for iOS

TfxReverb is designed for simple and easy operation. When auto size mode is enabled, number of parameters can be controlled by a single dial to adjust size of the reverb sound, which can be synced to tempo.

Price $4.99 $1.99
Author Ryo Togawa
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.5 (8), current: 4.5 (8)
Released 08/31/2020
Updated 09/18/2023

TfxEcho is an echo effect AudioUnit Extension plugin. It uses delay lines which are inspired by BBD (bucket brigade device). BBD is used in various analog delay unit and is known for its warm and dark sound.

Price $4.99 $1.99
Author Ryo Togawa
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.66667 (12), current: 4.66667 (12)
Released 07/16/2020
Updated 09/18/2023

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 $2.99 $5.99
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

K7D is a vintage tape delay effect plugin for iOS.

Price $4.99
Author Imaginando Lda
Type Effect
Effect type Reverb, Delay, Echo
Supports Audiobus, Audio Unit (AU)
Rating total: 4.63636 (66), current: 4.63636 (66)
Released 05/06/2019
Updated 05/25/2024

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: 4.70587 (51), current: 4.70587 (51)
Released 08/13/2019
Updated 08/29/2024

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

Price $5.99
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

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: 4.72414 (29), current: 4.72414 (29)
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
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.7016 (124), current: 4.7016 (124)
Released 08/23/2018
Updated 04/29/2024

This shimmer effect is a combination of effects that creates an etherial wall of sound. The effect combines a digital delay and pitch shifter to create multiple harmonies before entering a rich long reverb with controllable filtering. The resulting effect is a monsterously huge sound adding a spacious atmospheric quality to any lead instrument or vocal.

Price $7.99
Author 4Pockets.com
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Audio Unit (AU)
Rating total: 4.2 (30), current: 4.2 (30)
Released 02/15/2019
Updated 10/24/2020

UltraTap is a unique multi-tap effect capable of rhythmic delays, glitchy reverbs, huge pad-like volume swells and extraordinary modulation.

Price $14.99
Author Eventide
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.83333 (18), current: 4.83333 (18)
Released 08/17/2019
Updated 03/06/2024

apeDelay - spectral Delay implements up to 2048 delay lines with feedback or up to 2048 Brick-wall filters.

Price $5.99
Author apeSoft
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.53846 (13), current: 4.53846 (13)
Released 06/20/2015
Updated 07/14/2024

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 $6.99
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: 4.75 (28), current: 4.75 (28)
Released 09/09/2020
Updated 06/22/2023

Kajita combines two-stage multi-tap stereo delay with reverb, allowing you to create complex spatial effects.

Price $6.99
Author iceWorks, Inc.
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 5 (17), current: 5 (17)
Released 08/29/2021
Updated 06/22/2023

BLEASS Motion FX contains 11 different effects which you can modulate precisely thanks to an intuitive and comprehensive sequencer.

Price $7.99
Author BLEASS
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo, Modulation effects, Pitch effects, Other
Supports Audio Unit (AU)
Rating total: 4.81818 (11), current: 4.81818 (11)
Released 03/21/2021

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: 4.7619 (21), current: 4.7619 (21)
Released 06/29/2020
Updated 09/02/2020

MangledVerb is a unique effect combining a rich reverb with devastating distortion.

Price $14.99
Author Eventide
Type Effect
Effect type Reverb, Delay, Echo, Distortion, Drive etc.
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.52941 (17), current: 4.52941 (17)
Released 11/27/2019
Updated 03/06/2024

Create out of this world ambiance with Blackhole, a reverb effect as big as the cosmos.

Price $19.99
Author Eventide
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.60377 (53), current: 4.60377 (53)
Released 08/08/2019
Updated 03/06/2024

Spring Reverb models the sound and character of popular spring reverbs found in guitar amplifiers, popularized by Surf, Garage and Rockabilly music.

Price $14.99
Author Eventide
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 3.92308 (13), current: 3.92308 (13)
Released 01/15/2020
Updated 03/06/2024

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 $14.99
Author Eventide
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo, Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.55556 (18), current: 4.55556 (18)
Released 06/08/2020
Updated 03/06/2024

BLEASS Shimmer is an AUv3 compatible Shimmer Reverb Effect that brings harmonic tails to any sound or instrument with very low CPU usage.

Price $7.99
Author BLEASS
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Audiobus, Audio Unit (AU)
Rating total: 4.95652 (23), current: 4.95652 (23)
Released 06/17/2020
Updated 06/17/2020
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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.