iOS Musician Apps (222) Instrument Type is Synth

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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

Phase84 is a phase distortion synthesizer.

Price $12.99
Author Retronyms Inc
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA)
Rating total: 3.78049 (41), current: 3.78049 (41)
Released 12/17/2014
Updated 01/04/2023

Attack Drums is a synthesizer designed mainly for drum sounds, but the powerful sound engine can also be used for everything else - including vocals.

Price $14.99
Author Waldorf Music
Type Instrument
Instrument type Synth
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.38095 (21), current: 4.38095 (21)
Released 06/12/2015
Updated 08/07/2025

Ruismaker FM's simple, yet flexible synthesis engine lets you create anything from snaredrums, kickdrums and spacy toms to weird and unconventional percussive sounds and effects.

Price $4.99
Author Bram Bos
Type Instrument
Instrument type Synth
Instrument sounds Drums, Percussion
Supports Audio Unit (AU)
Rating total: 4.96296 (54), current: 4.96296 (54)
Released 09/07/2016
Updated 08/14/2025

Ruismaker is a unique drumsynth plugin (i.e. it does not use samples), which is coupled with a creative Euclidean sequencer when run in standalone mode.

Price $4.99
Author Bram Bos
Type Instrument
Instrument type Synth
Instrument sounds Drums, Percussion
Supports Audio Unit (AU)
Rating total: 4.75861 (58), current: 4.75861 (58)
Released 06/17/2016
Updated 08/14/2025

Endlesss is a free-to-use collaborative music studio with built in drums, synths, fx and much more. Easy to get started for the novice electronic musician with boundless opportunities for the seasoned creative.

Price $29.99
Author Hablab London Limited
Type Instrument, Tool
Instrument type Sampler, Synth
Instrument sounds Keyboards, Other
Supports Ableton Link
Rating total: 4.47084 (463), current: 4.47084 (463)
Released 03/29/2020
Updated 09/08/2025

KQ Dixie is a 6-Operator FM synthesizer that is modeled on the synthesizer which appeared on the 1980s.

Price $10.99
Author Ryouta Kira
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU)
Rating total: 4.78 (100), current: 4.78 (100)
Released 01/11/2018
Updated 10/02/2025

KQ MiniSynth is a polyphonic modular synthesizer.

Price $11.99
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 10/02/2025

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

Price $7.99
Author Ryouta Kira
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.82609 (23), current: 4.82609 (23)
Released 09/05/2019
Updated 10/02/2025

Waveshaping Synthesis is a type of distortion synthesis that can create dynamic spectra in a controlled way.

Price $1.99
Author Harry Gohs
Type Instrument
Instrument type Sampler, Synth
Instrument sounds Keyboards
Supports Audiobus, Ableton Link
Rating total: 4.88889 (9), current: 4.88889 (9)
Released 02/24/2014
Updated 12/08/2024

Xynthesizr is a streamlined yet capable 32-step matrix sequencer/monotimbral synthesizer with generative features and MIDI.

Price $6.99
Author Yuri Turov
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.82759 (232), current: 4.82759 (232)
Released 10/25/2013
Updated 02/12/2021

Shoom is an expressive XY pad synthesizer. Or, more precisely, three identical synthesizers in one app.

Price $6.99
Author Yuri Turov
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.85938 (64), current: 4.85938 (64)
Released 04/16/2016
Updated 12/18/2020

Pixound provides a deep musical experience that lets you instantly create music using any picture.

Price $0.99
Author Techné Media
Type Instrument
Instrument type Synth
Instrument sounds Other
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.125 (8), current: 4.125 (8)
Released 12/10/2011
Updated 11/25/2025

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

Synclavier Go! is an authentic re-creation of the Synclavier® II Digital Synthesizer of 1980.

Price $19.99
Author Synclavier Digital Corporation Ltd
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus, Ableton Link
Rating total: 4.66038 (53), current: 4.66038 (53)
Released 01/23/2019
Updated 01/01/2026

AudioKit Synth One is a completely free & open-source professional iOS Synthesizer. 

Price Free
Author AudioKit Pro
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.9092 (26828), current: 4.9092 (26828)
Released 07/07/2018
Updated 01/22/2026

You can think of auGEN X in two ways:  first, it is a handy utility for making audio test sounds, and second, it is a performable creative sound design tool.

Price $9.99
Author auDSPr
Type Instrument, Tool
Instrument type Synth
Instrument sounds Other
Supports Audio Unit (AU)
Rating total: 4.58333 (12), current: 4.58333 (12)
Released 12/18/2018
Updated 01/30/2026

Pure Synth® Platinum is a full-blown rompler/synthesizer for your iOS device. Neither the synth engine or the sample engine is an afterthought: Both engines are fully capable and feature-rich. The romper section contains a well rounded assortment of analog, synth, string, digital, and acoustic instruments.

Price Free
Author MIDIculous LLC
Type Instrument
Instrument type Sampler, Synth
Instrument sounds Keyboards, All-in-one
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 3.55556 (54), current: 3.55556 (54)
Released 06/11/2019
Updated 02/02/2026

Hammond B-3X is a next-level tonewheel organ app.  We’ve partnered with the Hammond Organ Company and Suzuki Musical Instruments to create the most immersive, authentic and powerful B-3 experience for use live on stage or as a plug-in inside recording apps.

Price $29.99
Author IK Multimedia US, LLC
Type Instrument
Instrument type Sampler, Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)
Rating total: 4.21053 (38), current: 4.21053 (38)
Released 12/16/2019
Updated 02/21/2025

Professional Virtual Analogue Synthesizer.

Price $8.99
Author tempo rubato
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.57576 (33), current: 4.57576 (33)
Released 10/06/2010
Updated 02/14/2026
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