iOS Musician Apps (67) Supported Technologies is Audio Unit (AU), Effect Type is Reverb, Delay, Echo

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High quality real time reverb AudioUnit effect, for everything between small rooms, resonators, and infinitely large spaces.

Price $4.99
Author Kymatica AB
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 5 (14), current: 5 (14)
Released 12/08/2020
Updated 11/12/2021

Stellr is a pitch-shifter/delay/reverb sound processor aimed to recreate the classic shimmer effect.

Price $4.99
Author BACKPULLVER SOFTWARE LTD OOD
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.44444 (9), current: 3.44444 (9)
Released 04/26/2019
Updated 04/22/2026

This is a AUv3 compatible audio effect which can be used as plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand.

Price $4.99
Author 4Pockets.com
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Released 11/29/2018
Updated 12/14/2025

Whole guitar sound with innovative distortion effect, speaker simulation and reverb.

Price $4.99
Author Aleksandar Mlazev
Type Effect
Effect type Reverb, Delay, Echo, Distortion, Drive etc.
Supports Audio Unit (AU)
Released 06/07/2018
Updated 12/23/2024

ADverb2 is an accurate model of a vintage digital plate reverb rack unit from the 80s, with a few modern tricks up its sleeve.

Price $4.99
Author Audio Damage, Inc.
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.58824 (17), current: 4.58824 (17)
Released 04/30/2018

It's vintage and It's very warm. All the sounds come from impulse responses grappled on the web.

Price $3.99
Author Julien Faure
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.5 (8), current: 4.5 (8)
Released 02/01/2021
Updated 11/24/2021

Analog Rack Reverb two plugins in one, Stereo Hall and Stereo Room reverb algorithms ideal for every source!

Price $3.99
Author Nembrini Audio
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.66667 (9), current: 4.66667 (9)
Released 02/07/2020
Updated 09/27/2021

The multi-band delay BandDelay is a tool for sound design and loop manipulation in realtime. In contrast to common delay processors BandDelay splits the frequency spectrum of the input signal into 27 bands and applies a separate delay unit to each band.

Price $3.99
Author Harry Gohs
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.41667 (12), current: 4.41667 (12)
Released 11/21/2019
Updated 06/19/2025

This is a AUv3 compatible digital delay which can be used as plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand.

Price $3.99
Author 4Pockets.com
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 3.66667 (6), current: 3.66667 (6)
Released 09/01/2018
Updated 09/08/2025

Kosmonaut is Multitap Delay with a twist. In addition to adding echoes to your audio, it packs a bunch of extra tools to put your music in space.

Price $3.99
Author Bram Bos
Type Effect
Effect type Reverb, Delay, Echo, Stereo, Pan effects, Other
Supports Audio Unit (AU)
Rating total: 4.80882 (68), current: 4.80882 (68)
Released 03/06/2018
Updated 12/23/2020

Blue Mangoo Stereo Delay is designed to be the go-to app a for simple, musically tasteful delay effect.

Price $2.99
Author Blue Mangoo Consulting Company Limited
Type Effect
Effect type Reverb, Delay, Echo
Supports Audiobus, Audio Unit (AU)
Rating total: 4.8 (5), current: 4.8 (5)
Released 12/01/2018
Updated 05/28/2024

Echo effect Audio Unit V3 inspired by the mayan pyramids acoustic echo. I come up with a complex phase modulated frequency of the echo so you can change it’s frequency signature. It is kind of changing the material of the reflective surface and I called it “Stone F”.

Price $2.99
Author Aleksandar Mlazev
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 2.75 (4), current: 2.75 (4)
Released 03/02/2018
Updated 07/22/2025

Alien Box is LFO operated modulation effect.

Price $2.99
Author Aleksandar Mlazev
Type Effect
Effect type Reverb, Delay, Echo, Compressor, Limiter, Gate, Modulation effects, Other
Supports Audio Unit (AU)
Released 05/31/2017
Updated 08/10/2023

Resonator Audio Unit is an audio effect that creates natural sounding resonances in an acoustic body.

Price $2.99
Author Aleksandar Mlazev
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 5 (3), current: 5 (3)
Released 04/13/2017
Updated 07/13/2023

Alien Box is a new kind of audio effect that you have never heard before.

Price $2.99
Author Aleksandar Mlazev
Type Effect
Effect type Reverb, Delay, Echo, Compressor, Limiter, Gate, Modulation effects, Other
Supports Audio Unit (AU)
Rating total: 1.33333 (3), current: 1.33333 (3)
Released 05/16/2017
Updated 01/08/2025

Frekvens is a frequency shifter and delay effect.

Price $2.99
Author Erik Sigth
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects, Stereo, Pan effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.8 (20), current: 4.8 (20)
Released 02/20/2016
Updated 11/25/2025

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 $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 01/15/2026

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 $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 01/15/2026

yaleD is a dedicated reverse delay audio effect, with full support as an Audio Unit (AUv3) plugin extension

Price $1.99
Author Sonosaurus LLC
Type Effect
Effect type Reverb, Delay, Echo
Supports Audiobus, Audio Unit (AU)
Rating total: 4.875 (24), current: 4.875 (24)
Released 10/03/2019
Updated 10/12/2019

This is a natural sounding reverb audio effect.

Price $1.99
Author Aleksandar Mlazev
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 2.33333 (3), current: 2.33333 (3)
Released 01/16/2019
Updated 06/02/2023
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