iOS Musician Apps (580) Supported Technologies is Audio Unit (AU)

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CrushStation is an overdrive/distortion effects plug-in with controls that drive your tone anywhere from a creamy saturation to a brutal sonic assault, with everything in between.

Price $14.99
Author Eventide
Type Effect
Effect type Distortion, Drive etc.
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.66667 (12), current: 4.66667 (12)
Released 04/20/2020
Updated 03/06/2024

If you need for a perfect copy of your favorite tube amplifier this is not the amp you are looking for. However, if you want  something new and different with a warm, softly saturated tone and none of the harsh fizziness found in badly-designed software amps then you will love Gain Stage Vintage Clean.

Price $5.99
Author Blue Mangoo Consulting Company Limited
Supports Audio Unit (AU)
Rating total: 5 (14), current: 5 (14)
Released 04/21/2020
Updated 12/04/2020

The Boss Led Diode Distortion is a recreation of an iconic late 80s British guitar effect pedal, the first “amp in a box” pedal that replicates the tone and distortion character of famous black and gold British guitar amps.

Price $4.99
Author Nembrini Audio
Type Effect
Effect type Distortion, Drive etc.
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (9), current: 5 (9)
Released 04/23/2020
Updated 09/27/2021

Looperator is a slicing and processing plugin for all styles of electronic music.

Price Free
Author Sugar Bytes GmbH
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audio Unit (AU)
Rating total: 4.68354 (79), current: 4.68354 (79)
Released 04/23/2020
Updated 05/19/2025

The Red Rock Sound Exciter will allow you to improve and enhance sonic quality of signal more naturally than with equalization. Unlike traditional EQ that just turns up the existing harmonics, Exciter generates additional harmonics, therefore there is no boost in the output signal level, this maintains a clear and balanced sound.

Price Free
Author RRS, OOO
Type Effect
Effect type Equalizer, Filter, Other
Supports Audio Unit (AU)
Rating total: 4.85714 (21), current: 4.85714 (21)
Released 04/30/2020
Updated 12/29/2025

The Cali Reverb Modern High Gain Amplifier is the best emulation of another rock icon guitar amplifier that has defined the tone of heavy music for the last 25 years!

Price $19.99
Author Nembrini Audio
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.71429 (14), current: 4.71429 (14)
Released 04/30/2020
Updated 09/27/2021

WoodScaper combines into one unit the 4 classic guitar effects : phaser, chorus/flanger, wah-wah and tremelo.

Price $9.99
Author Woodman's Immaculate Maple Syrup Studio
Type Effect
Effect type Chorus, Flanger, Phaser etc., Modulation effects, Pitch effects, Guitar effects
Supports Audio Unit (AU)
Rating total: 4.85714 (7), current: 4.85714 (7)
Released 05/03/2020
Updated 06/20/2024

FAC Phazer will satisfy most fans of phasing effects, and will seduce them by its rich sonic palette offer along with its elegant interface.

Price $9.99
Author Frederic Corvest
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Audio Unit (AU)
Rating total: 5 (30), current: 5 (30)
Released 05/04/2020
Updated 07/27/2025

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

Get audio visuals with your AUv3 host or the standalone app. Scope uses a two-axis graph to give a visual representation of a waveform over time, with the horizontal axis representing time and the vertical axis representing the amplitude.

Price $2.99
Author DiscoDSP LLC
Type Tool
Supports Audio Unit (AU)
Rating total: 4.2 (20), current: 4.2 (20)
Released 05/11/2020
Updated 02/22/2026

The Red Rock Sound SA60 real time 1/3 octave Spectrum Analyser combines ease of use, accuracy and versatility in one economical, reliable unit. Interface is modelled on classic DN60 spectrum analyser, originally developed in 1980.

Price Free
Author RRS, OOO
Type Tool
Supports Audio Unit (AU)
Rating total: 5 (10), current: 5 (10)
Released 05/15/2020
Updated 12/29/2025

Spinn is a 4 band rotating modulation effect. It’s a bit similar to a Leslie but not aiming to replicate this character. 4 rotors with individual speed controls, acceleration and deceleration times, adjustable size and modulation.

Price $7.99 $15.99
Author Klevgränd produkter AB
Type Effect
Effect type Modulation effects
Supports Audio Unit (AU)
Rating total: 4.5 (4), current: 4.5 (4)
Released 05/18/2020
Updated 09/17/2021

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: 3.77273 (22), current: 3.77273 (22)
Released 05/19/2020
Updated 01/15/2026

Overloud TH-U turns your iOS device into a Guitar and Bass amp simulator, to let you play live, practice or record: standalone and AUv3 included.

Price Free
Author Almateq SRL
Type Effect
Effect type Guitar effects, Bass effects
Supports Audio Unit (AU)
Rating total: 4.07609 (92), current: 4.07609 (92)
Released 05/25/2020
Updated 02/15/2026

The 8180 Monster Tube Guitar Amplifier plugin is the landmark for heavy and rock guitar sounds. If you are looking out for a modern and rich high gain tone ideal for the most aggressive rock and metal genre, then your search ends here!

Price $19.99
Author Nembrini Audio
Type Effect
Effect type Guitar effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.92307 (13), current: 4.92307 (13)
Released 05/31/2020
Updated 02/19/2024

WOOTT uses a triple band dynamics algorithm with simultaneous downwards AND upwards compression, and adds a dedicated limiter to each band.

Price $4.99
Author Bram Bos
Type Effect
Effect type Compressor, Limiter, Gate
Supports Audio Unit (AU)
Rating total: 4.87037 (54), current: 4.87037 (54)
Released 06/02/2020
Updated 03/03/2024

AudioTune is a new real-time pitch correction AUv3 plugin from Coda Labs and AudioKit. Make vocals and instruments sound more in tune, or add creative robotic tuning effects in real-time with nearly zero latency.

Price $2.99
Author Coda Labs Incorporated
Type Effect
Effect type Pitch effects, Vocal effects
Supports Audio Unit (AU)
Rating total: 3.62245 (98), current: 3.62245 (98)
Released 06/04/2020
Updated 03/10/2021

Express yourself. Create your signature retro piano sound. Simple controls allow you to easily create an emotional vibe for your next hit record.

Price Free
Author Audiobus Pty Ltd
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards, Piano
Supports Audio Unit (AU)
Rating total: 4.24359 (156), current: 4.24359 (156)
Released 06/04/2020
Updated 02/27/2025

Tape Cassette 2 is an audio plugin that emulates the warmth, noise and character of old tape cassettes. Following up from our well received Tape Cassette 1, we’ve updated the plugin with a sleek interface and more changes under the hood too.

Price Free
Author Caelum Audio
Type Effect
Effect type Equalizer, Filter, Other
Supports Audio Unit (AU)
Rating total: 4.71429 (42), current: 4.71429 (42)
Released 06/05/2020
Updated 09/13/2022

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: 4.59999 (20), current: 4.59999 (20)
Released 06/08/2020
Updated 03/06/2024