iOS Musician Apps (577) Supported Technologies is Audio Unit (AU)

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This app is a music player that can process the following effects in real time: Time stretch (0.5-2.0 double speed), Pitch shift (-1 ~ +1 octave), 10 band equalizer.

Price $0.99
Author Loop-Sessions.LLC.
Type Effect
Effect type Equalizer, Filter, Pitch effects
Supports Audio Unit (AU)
Rating total: 3.68421 (19), current: 3.68421 (19)
Released 11/15/2013
Updated 04/14/2025

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: 4.3 (70), current: 4.3 (70)
Released 07/16/2013
Updated 04/13/2025

If you play a musical instrument, this app should be supported by you lower the speed and play when you copy of a musical piece.

Price Free
Author Loop-Sessions.LLC.
Type Effect
Effect type Pitch effects
Supports Audio Unit (AU)
Rating total: 3.35294 (17), current: 3.35294 (17)
Released 04/26/2013
Updated 04/14/2025

FAC Alteza is a true stereo reverberator plugin.

Price $9.99
Author Frederic Corvest
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.90789 (76), current: 4.90789 (76)
Released 02/16/2020
Updated 07/05/2023

"StepPolyArp Unit" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an Audio Unit MIDI effect plug-in.

Price $19.99
Author Laurent Colson
Type Instrument, Tool
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.79545 (44), current: 4.79545 (44)
Released 07/25/2018
Updated 04/05/2025

Cubasis 2 is a fully featured iOS-based music production system includes sequencer, instruments, effects and more.

Price $23.99
Author Steinberg Media Technologies GmbH
Type Host, Instrument, Effect
Instrument type Sampler, Synth
Instrument sounds All-in-one
Effect type All-in-one
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.8954 (239), current: 3.8954 (239)
Released 12/17/2012
Updated 11/24/2021

KQ MiniSynth is a polyphonic modular synthesizer.

Price $9.99
Author Ryouta Kira
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.79167 (24), current: 4.79167 (24)
Released 01/09/2016
Updated 06/22/2024

FM TiNES is an electric piano library dedicated to the most beautiful FM electric pianos ever made.

Price $14.99
Author MIDIculous LLC
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 3.92308 (13), current: 3.92308 (13)
Released 08/10/2019
Updated 03/28/2025

Just a Toy Synthesizer. Included: 2 Oscillators, LPF, Delay effector, Ribbon controller.

Price $5.99
Author Ryouta Kira
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.81818 (22), current: 4.81818 (22)
Released 09/05/2019
Updated 06/18/2023

iFX Rack is an analog modeled virtual effects rack for your iOS Device.

Price $9.99
Author MIDIculous LLC
Type Effect
Effect type All-in-one
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 3.66667 (9), current: 3.66667 (9)
Released 09/03/2019
Updated 03/28/2025

SynthMaster One iOS is the mobile version of KV331 Audio's SynthMaster One software synthesizer.

Price $9.99
Author KV331 Audio
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.69068 (708), current: 4.69068 (708)
Released 06/27/2018
Updated 12/29/2024

At the heart of SynthMaster 2’s powerful sound engine lies its oscillators, modulators, and filters.

Price $14.99
Author KV331 Audio
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)
Rating total: 4.75309 (405), current: 4.75309 (405)
Released 06/22/2021
Updated 12/19/2024

Waverley is the principal instrument in the moodunits collection. It’s sample-based, but it isn’t a fully-fledged sampling app that allows you to load and edit your own samples. Another usage scenario for Waverley is if you’re just sketching out an idea, perhaps on a less-capable device like your iPhone while you’re on the move.

Price $2.99
Author Rob Jackson
Type Instrument
Instrument type Sampler
Instrument sounds All-in-one
Supports Audio Unit (AU)
Rating total: 4.5 (48), current: 4.5 (48)
Released 08/12/2020
Updated 03/22/2025

Discord4 is the latest version of our most popular and long-lived product, our Discord stereo pitch shifter. Originally modeled from the H910, Discord has long since become its own effect and a studio standby, and this version includes major additions to further stretch its capabilities.

Price $8.99
Author Audio Damage, Inc.
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.68966 (29), current: 4.68966 (29)
Released 02/24/2018
Updated 10/09/2019

This synthesizer emulates male voice vowels in a unique way.

Price $7.99
Author Klevgränd produkter AB
Type Instrument
Instrument type Synth
Instrument sounds Keyboards, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.84615 (13), current: 3.84615 (13)
Released 09/23/2016
Updated 11/22/2021

LUXE is an AUv3 effect plugin that compress and saturate an audio signal in a quite subtile but musical way. It's very useful for making a track "fit in the mix" and can be used on anything from a drum bus to a vocal track.

Price $7.99
Author Klevgränd produkter AB
Type Effect
Effect type Compressor, Limiter, Gate, Other
Supports Audio Unit (AU)
Rating total: 5 (11), current: 5 (11)
Released 01/21/2020
Updated 09/17/2021

Tines emulates an electric piano.

Price $7.99
Author Klevgränd produkter AB
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.66667 (12), current: 4.66667 (12)
Released 10/20/2016
Updated 12/06/2021

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 $9.99
Author Klevgränd produkter AB
Type Effect
Effect type Equalizer, Filter, Other
Supports Audio Unit (AU)
Rating total: 4.2 (5), current: 4.2 (5)
Released 10/14/2019
Updated 10/15/2019

Hillman is a synthlike instrument inspired by old combo-organs, string machines and similar vintage gear.

Price $9.99
Author Klevgränd produkter AB
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)
Rating total: 4.44444 (18), current: 4.44444 (18)
Released 12/09/2019
Updated 09/16/2022

DAW LP is an Audio Unit effect that emulates the sound of a vinyl disc (and player).

Price $12.99
Author Klevgränd produkter AB
Type Effect
Effect type Distortion, Drive etc., Other
Supports Audiobus, Audio Unit (AU)
Rating total: 3.57143 (7), current: 3.57143 (7)
Released 07/03/2018
Updated 03/13/2023