iOS Musician Apps (222) Instrument Type is Synth

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Unique synth with AUV3 (Audio Unit) and midi keyboard support. You can touch and change the wave and hear the difference.

Price $4.99
Author Aleksandar Mlazev
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)
Released 06/05/2017
Updated 02/23/2025

Dagger is an analog modeling paraphonic synth with a big, raw analog sound.

Price $4.99
Author BeepStreet
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)
Rating total: 4.84091 (44), current: 4.84091 (44)
Released 08/04/2023
Updated 08/04/2023

This app reproduces the functionality of Casio’s best-selling CZ-series models, such as the CZ-101 (first released in 1984), and also includes new functions.

Price $14.99
Author CASIO COMPUTER CO., LTD.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus
Rating total: 3.75 (8), current: 3.75 (8)
Released 01/20/2015
Updated 02/14/2018

Cyclop is a monophonic synthesizer. It does one thing very well: delivering cutting-edge digital madness at the low end of the frequency spectrum.

Price Free
Author Sugar Bytes GmbH
Type Instrument
Instrument type Synth
Instrument sounds Bass
Supports Inter-App Audio (IAA), Audiobus, Ableton Link
Rating total: 4.65882 (85), current: 4.65882 (85)
Released 04/14/2015
Updated 10/27/2026

Specific sound morphing capabilities enables you to easily create complex evolving sound scapes, vocal phrases or stunning rhythms simply by choosing up to four sound sources from a predefined set.

Price $9.99
Author Harry Gohs
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.35294 (17), current: 4.35294 (17)
Released 05/13/2021
Updated 12/05/2024

Cube Synth is a groundbreaking new software instrument giving you the power and flexibility of additive synthesis together with easy editing and morphing capabilities.

Price $1.99
Author Harry Gohs
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Ableton Link
Rating total: 4.64706 (17), current: 4.64706 (17)
Released 10/04/2013
Updated 12/08/2024

Cubasis LE is the compact version of Steinberg’s sequencer for the iPad, providing the same look and feel of its bigger brother Cubasis.

Price Free
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), Audio Unit (AU)
Rating total: 2.7561 (41), current: 2.7561 (41)
Released 11/02/2015
Updated 11/24/2021

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

Crystal Synth XT is a full featured semi-modular synthesizer, ideally suited to creating lush evolving soundscapes.

Price $4.99
Author Green Oak Software
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus
Rating total: 4.90909 (22), current: 4.90909 (22)
Released 12/22/2010
Updated 07/27/2024

Continua is a three-oscillator / dual-filter six-voice virtual analog synth, with fully polyphonic modulation sources and built-in custom-designed effects, for everything from complex, evolving chill-out soundscapes to New Wave synth stabs.

Price $9.99
Author Audio Damage, Inc.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.4 (15), current: 4.4 (15)
Released 01/09/2020
Updated 05/05/2026

ChowKick is a kick drum synthesizer based on creative physical modelling of old drum machine circuits. The synth contains
useful parameters for adjusting the tone and fundamental frequency of the synthesized kick drum.

Price Free
Author Jatin Chowdhury
Type Instrument
Instrument type Synth
Instrument sounds Drums, Percussion
Supports Audio Unit (AU)
Rating total: 5 (25), current: 5 (25)
Released 07/08/2021
Updated 01/16/2023

Chiptunes Pro lets you make retro music the way it should be made - with chips. Build your circuit to lay down drum beats, basslines, and tunes.  No knowledge of electronics needed.

Price Free
Author Simon Booth
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus
Rating total: 3.83333 (6), current: 3.83333 (6)
Released 03/19/2014
Updated 08/18/2015

CHAiOS SYNTH 2 is a synthesizer/melody generator that creates unique melodies with just one tap.

Price Free
Author Per Loenicker
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.83333 (6), current: 4.83333 (6)
Released 01/08/2016
Updated 06/01/2017

Caustic 3 is a music creation tool inspired by rack-mount synthesizer/sampler rigs.

Price $9.99
Author Rejean Poirier
Type Instrument, Effect
Instrument type Sampler, Synth
Instrument sounds Keyboards, All-in-one
Effect type All-in-one
Supports Audiobus
Rating total: 3.56425 (179), current: 3.56425 (179)
Released 12/14/2013
Updated 02/01/2017

Branches is a semi-modular synthesizer inspired by classics of the past. It runs both as a standalone instrument with support for external MIDI input or as a plugin (AUv3) in your favorite DAW app.

Price $5.99
Author Willow & Oak AB
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)
Rating total: 3.91667 (12), current: 3.91667 (12)
Released 11/01/2020
Updated 02/13/2026

Borderlands Granular uses a technique called granular synthesis, which involves the superposition of tiny fragments of sound, or “grains," to create complex, evolving timbres and textures.

Price $19.99
Author Chris Carlson
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus
Rating total: 4.83594 (128), current: 4.83594 (128)
Released 10/16/2012
Updated 05/13/2020

The BLEASS sidekick AUv3 is the world's first iOS AUv3 effect plugin that offers a kick drum synth and sequencer coupled with a sidechain compressor in order to bring unique and creative dynamics to your music!

Price $6.99 $3.99
Author BLEASS
Type Instrument, Effect
Instrument type Synth
Instrument sounds Drums, Percussion
Effect type Compressor, Limiter, Gate, Other
Supports Audiobus, Audio Unit (AU)
Rating total: 4.86667 (30), current: 4.86667 (30)
Released 05/23/2019
Updated 09/09/2022

Fed up with standardized presets and instruments? Feel lost in overcomplex filters and effects? Don’t wanna sound like everyone else? BLEASS is just the right instrument for you: it unleashes your inner musical creativity by bringing music production and performance to its very core: play, perform, compose beats and melodies in a new yet intuitive way thanks to its multitrack sequencer, synthesizer and drum machine.

Price Free
Author BLEASS
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Ableton Link
Rating total: 4.23684 (38), current: 4.23684 (38)
Released 10/28/2018
Updated 05/22/2025

BLEASS Granulizer generates short samples (‘grains’) from different input signals by modulating different parameters which you can visualize thanks to a 3D Visualizer.

Price $6.99 $4.99
Author BLEASS
Type Instrument
Instrument type Synth
Instrument sounds Other
Supports Audiobus, Audio Unit (AU)
Rating total: 4.875 (40), current: 4.875 (40)
Released 01/02/2021
Updated 10/17/2025

The BLEASS Alpha Synth is a virtual analog polyphonic stereo synthesizer inspired by classic analog synths and enhanced by the BLEASS’ very own musical and technical approach. 

Price $14.99 $7.99
Author BLEASS
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU), Ableton Link
Rating total: 4.86239 (109), current: 4.86239 (109)
Released 02/02/2020
Updated 09/18/2026
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