iOS Musician Apps (288) Supported Technologies is Audio Unit (AU), Type is Effect

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The 6144 is an Audio Unit equalizer which aims to recreate the legendary sound of the Neve hardware EQs.

Price $9.99
Author Christian Siedschlag
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.27273 (33), current: 4.27273 (33)
Released 07/18/2016
Updated 12/15/2025

QVox is a creative audio effect that transforms vocals, guitars, drums, and synths into four independent voices. Create beautiful harmonies, widen instruments and design groovy rhythmic sequences with diatonic pitch shifting and delay.

Price $14.99
Author Eventide
Type Effect
Effect type Pitch effects, Vocal effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.29412 (17), current: 4.29412 (17)
Released 12/11/2019
Updated 03/06/2024

MicroPitch is a fine-resolution pitch shifter for subtle tone fattening, plus delays for interesting slap back effects.

Price $9.99
Author Eventide
Type Effect
Effect type Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.29412 (17), current: 4.29412 (17)
Released 08/17/2019
Updated 03/06/2024

Rotary is a rotating cabinet effect that simulates a Leslie speaker. It produces a pulse-like vibrato effect depending on the speed of rotation.

Price $7.99
Author Eventide
Type Effect
Effect type Modulation effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.30435 (23), current: 4.30435 (23)
Released 10/09/2019
Updated 03/06/2024

GlitchCore is an Audio Unit (AUv3) effect for re-sequencing live audio. It can rearrange audio that it processes. GlitchCore lets you glitch audio by making micro loops and scrubbing your sound.  

Price $4.99
Author Alex Matheu
Type Effect
Effect type Other
Supports Audio Unit (AU)
Rating total: 4.325 (40), current: 4.325 (40)
Released 03/25/2020
Updated 12/31/2020

The ERS 250 reverb audio plugin was originally designed and sold by Harrie Munnik and his Dutch company EmptyRoomSystems.

Price $13.99
Author Christian Siedschlag
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.33333 (6), current: 4.33333 (6)
Released 09/03/2021
Updated 01/03/2026

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 $8.99
Author Klevgränd produkter AB
Type Effect
Effect type Equalizer, Filter, Other
Supports Audio Unit (AU)
Rating total: 4.33333 (6), current: 4.33333 (6)
Released 10/14/2019
Updated 10/15/2019

A 3-in-1 zero latency virtual guitar pedal covering creamy BBD analog delay, lush saturation plate reverb and Class A and Class A/B saturation.

Price $19.99
Author PULSAR NOVATION BILGISAYAR PROGRAMCILIK HIZMETLERI TICARET LIMITED SIRKETI
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.34042 (47), current: 4.34042 (47)
Released 07/02/2021
Updated 12/16/2025

BitJuggler is an audio plugin to simulate vintage digital processing and to recreate digital imperfections.

Price $6.99
Author ToneBoosters
Type Effect
Effect type Other
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.35714 (14), current: 4.35714 (14)
Released 11/07/2020
Updated 10/05/2025

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: 4.37974 (79), current: 4.37974 (79)
Released 07/16/2013
Updated 03/22/2026

A brickwall peak limiting app, for the complete control of your audio volume.

Price $2.99
Author Amazing Noises
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.3871 (31), current: 4.3871 (31)
Released 12/17/2014
Updated 01/28/2026

STRATOSPHERE CLOUD REVERB is an audio unit plugin effect inspired by the Cloud Reverb patch in a very well-loved modern classic reverb pedal.

Price $5.99
Author Blue Mangoo Consulting Company Limited
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.41176 (17), current: 4.41176 (17)
Released 06/23/2020
Updated 12/22/2020

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

A love of vintage sounds and character is our thing and FlyTape 2 fits this ethos as a unique take on the features of classic tape.

Price $5.99
Author MSXII Sound Design
Type Effect
Effect type Other
Supports Audiobus, Audio Unit (AU)
Rating total: 4.42 (50), current: 4.42 (50)
Released 04/09/2021
Updated 06/09/2021

DLYM is a ‘Delay Modulator’ plugin which produces flanger and chorus style effects using Imaginando’s powerful processing technology.

Price $7.99
Author Imaginando Lda
Type Effect
Effect type Reverb, Delay, Echo, Chorus, Flanger, Phaser etc.
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.44036 (109), current: 4.44036 (109)
Released 06/20/2018
Updated 11/12/2024

BeatCutter is an experimental multi-channel app for slicing and recombining sound based on rhythm.

Price $15.99
Author Igor Vasiliev
Type Effect, Tool
Effect type Other
Supports Audiobus, Audio Unit (AU)
Rating total: 4.44827 (29), current: 4.44827 (29)
Released 04/02/2021
Updated 03/26/2026

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: 4.45455 (11), current: 4.45455 (11)
Released 04/10/2020
Updated 01/02/2026

To create Panstation, we started with a loose model of the venerable Drawmer M500's panning engine, then added the counting features from the Audio & Design PanScan (probably the most famous vintage autopanner, and the "secret weapon" of many well-known producers).

Price $3.99
Author Audio Damage, Inc.
Type Effect
Effect type Stereo, Pan effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.45455 (11), current: 4.45455 (11)
Released 04/08/2020
Updated 04/08/2020

This application is simply a container for the Audio Unit and also serves as the documentation for the AU. PhaseDelayArray is a bit of a strange effect. O.K, so, what is it? PhaseDelayArray has three effect units chained together in an interesting configuration, and one of these units is just a little bit twisted.

Price Free
Author Neon Silicon
Type Effect, Tool
Effect type Other
Supports Audio Unit (AU)
Rating total: 4.45455 (44), current: 4.45455 (44)
Released 08/02/2019
Updated 04/14/2021

This is an audio unit plugin that puts a small delay between the left and right channels.

Price Free
Author Blue Mangoo Consulting Company Limited
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.45946 (37), current: 4.45946 (37)
Released 04/18/2019
Updated 12/11/2020
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