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

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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

OSCILLOSCOPE & SPECTROGRAM is an audio analyzer app and audio unit plugin.

Price $5.99
Author Blue Mangoo Consulting Company Limited
Type Tool
Supports Audio Unit (AU)
Rating total: 4.64286 (28), current: 4.64286 (28)
Released 08/13/2020
Updated 09/04/2020

Comp 609 is a compressor AUv3 plug-in.

Price Free
Author RRS, OOO
Type Effect
Effect type Compressor, Limiter, Gate
Supports Audio Unit (AU)
Rating total: 4.84 (25), current: 4.84 (25)
Released 08/15/2020
Updated 12/28/2025

Grand Piano auv3 brings you the sound of the classic instrument to your iPad and iPhone.

Price Free
Author pablo lopez
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards, Piano
Supports Audio Unit (AU)
Rating total: 4.55556 (9), current: 4.55556 (9)
Released 08/25/2020
Updated 02/11/2026

BLEASS Flanger is a flanging effect offering a wide range of synchronised modulations which colours sound in a novel and unique way thanks to its complex algorithmic combinations.

Price $6.99
Author BLEASS
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Audiobus, Audio Unit (AU)
Rating total: 5 (13), current: 5 (13)
Released 08/25/2020
Updated 09/12/2025

Additive synthesis is a sound synthesis technique that creates timbre by adding sine waves together. The timbre of musical instruments can be considered to consist of multiple harmonic or inharmonic partials or overtones.

Price $5.99
Author Harry Gohs
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.53488 (43), current: 4.53488 (43)
Released 08/26/2020
Updated 12/04/2024

7Xwave - a 7 track sample sequencer with synthesizer & animatable modulation features.

Price $2.99
Author Rob Wilmot
Type Instrument, Tool
Instrument type Sampler
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.2 (10), current: 4.2 (10)
Released 08/28/2020
Updated 05/30/2025

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

DOTEC-AUDIO presents DeeEQ, as a popular "Equalizer" for MacOS, now available for iOS, including AudioUnit V3 support.

Price $7.99 $3.99
Author fmfmsoft Corp.
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 5 (2), current: 5 (2)
Released 08/31/2020
Updated 11/29/2024

DOTEC-AUDIO presents DeePopMax, a big hit“Loudness Maximizer" for MacOS, now available for iOS, including AudioUnit V3 support.

Price $7.99
Author fmfmsoft Corp.
Type Effect
Effect type Equalizer, Filter, Compressor, Limiter, Gate, Other
Supports Audio Unit (AU)
Rating total: 5 (2), current: 5 (2)
Released 08/31/2020
Updated 11/29/2024

A simple free music player that allows you to play music files while playing effectors that support Audio Units Extension (AUv3 plugin) format.

Price Free
Author fmfmsoft Corp.
Type Host, Tool
Instrument type Sampler
Supports Audio Unit (AU)
Rating total: 4.45455 (11), current: 4.45455 (11)
Released 08/31/2020
Updated 11/01/2025

The WU (Wrapped Units) Series peak limiter exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins. Even if those hosts do not support it directly.

Price $3.99 Free
Author Jens Guell
Type Effect
Effect type Compressor, Limiter, Gate
Supports Audio Unit (AU)
Rating total: 3 (4), current: 3 (4)
Released 09/08/2020
Updated 03/12/2024

ToneBoosters Spectrogram shows a real-time spectrogram of the incoming audio signal. The ToneBoosters Spectrogram app captures the microphone input and processes the signals in real time.

Price Free
Author ToneBoosters
Type Tool
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.41859 (43), current: 4.41859 (43)
Released 09/08/2020
Updated 12/28/2025

The WU (Wrapped Units) Series algorithmic reverb exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins.

Price $3.99 Free
Author Jens Guell
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 3 (4), current: 3 (4)
Released 09/09/2020
Updated 03/12/2024

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 $5.00
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: 4.77419 (31), current: 4.77419 (31)
Released 09/09/2020
Updated 09/07/2025

The WU (Wrapped Units) Series algorithmic reverb exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins. Even if those hosts do not support it directly.

Price $3.99 Free
Author Jens Guell
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 3.66667 (3), current: 3.66667 (3)
Released 09/10/2020
Updated 03/12/2024

The WU (Wrapped Units) Series algorithmic distortion exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins. Even if those hosts do not support it directly.

Price $1.99 Free
Author Jens Guell
Type Effect
Effect type Distortion, Drive etc.
Supports Audio Unit (AU)
Rating total: 5 (3), current: 5 (3)
Released 09/11/2020
Updated 03/12/2024

The WU (Wrapped Units) Series sample delay exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins. Even if those hosts do not support it directly.

Price $1.99 Free
Author Jens Guell
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.5 (8), current: 4.5 (8)
Released 09/12/2020
Updated 03/12/2024

The WU (Wrapped Units) Series algorithmic reverb exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins.

Price $3.99 Free
Author Jens Guell
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 3 (2), current: 3 (2)
Released 09/12/2020
Updated 03/12/2024

The Decent Samples plugin is a sample player that allows you to use your favorite Decent Samples sample libraries on the go. Many of the most popular Decent Samples releases are available through the app with more being added every week.

Price Free
Author Decidedly, LLC
Type Instrument
Instrument type Sampler
Instrument sounds All-in-one
Supports Audio Unit (AU)
Rating total: 4.61538 (52), current: 4.61538 (52)
Released 09/16/2020
Updated 01/25/2026