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AudioKit Synth One Synthesizer for iOS

By AudioKit Pro Free

Developer's Description

"A big step forward for mobile music" - CDM (Create Digital Music)

"Groundbreaking iOS synth app" - Cult of Mac

"Must-download for every iPad owner" - MacBreak

*** App of the Week - Stuff.tv *** July 2018

*** Free App of the Week - TechRadar *** July 2018

*** Best Free iPad Synth - EM Magazine *** July 2018

"AudioKit Synth One is a free feature-packed synth for your iPad, including 300+ presets created by professional sound designers behind M83, Tycho, and Rihanna" - Engadget

*** Optimized for newer iPads for best performance.

Note: App will not work on older iPad 4 devices.

Learn our incredible story:


"A Stunning Endeavor... Sounds Amazing!"

- Francis Preve, Electronic Musician Magazine

"Amazing & Brilliant... Sounds fantastic!"

- The Sound Test Room

"A great example of human endeavor"

- Gaz Williams, Sonic State

"Sounds amazing... the start of something huge."

- Ask.Audio

AudioKit Synth One is the first completely free & open-source professional iOS Synthesizer app in history. No Ads. No IAP. It will always be free.

"Powerful... Awesome" - Synthtopia.com

"An amazing synth app for your iPad that's as close to sorcery as it gets" - GarageBand Guide

"Must Have iOS Synthesizer" - Synth Anatomy

"Synth One is a robust piece of free software" - The Verge

"It WOWS you... immediately fun to start tweaking!" - discchord

"A damn fine synth" - Computer Music Magazine

"Open-source and seriously powerful" - Future Music Magazine

"A labour of love that everyone can enjoy" - Music Radar

"Extremely exciting passion project" - Music Tech Magazine

"Make your own imposing synthesizer sounds and teach yourself the basics of music production" - Lifehacker

Learn more:


Created by over 100+ volunteers around the world (including sound designers for M83, Rihanna, Kanye West, Neon Trees, Mike Posner, Tycho, and more), this app includes MIDI support (play it with a MIDI keyboard or controller), sequencer, vintage-inspired analog filters, expressive arpeggiators, warm analog delays, and, over 300+ presets to get you started!

Email us your music & bugs: hello@audiokitpro.com


This synthesizer is completely free, fully functional, and ad-free. There are no IAP or anything to buy -- It's the ultimate free iPad music instrument app!

- Hybrid Analog/FM Poly Synthesizer

- Over 300+ Presets crafted by famous sound designers

- Audiobus 3 & Inter-app Audio (IAA)

- Ableton Link

- Five Oscillators (2 DCO, FM, Sub, Noise)

- 2 LFOs with over a dozen routing possibilities

- Vintage-Style 16-Step Sequencer

- Classic poly arpeggiator

- MIDI in (Control with a MIDI Keyboard or AudioBus/IAA)

- Touchable ADSR Envelopes for Amp & Filter

- FM Oscillator w/ Mod

- Mono glide and legato

- Dedicated Sine/Square -12/24 Sub Osc

- 4-Pole Vintage Low-Pass Filter

- High-Pass/Band Pass Filters

- Beautiful Costello Reverb

- Multi-tap (ping-pong) delay

- TouchPads

- Preset & Bank Import/Export & More...

BONUS: Full Source code is now available!


Plus, it's completely open-source. Use the code to learn how to build your own synth app or modify the app yourself!

OFFICIAL VIDEO: https://youtu.be/hwDNgCYowYs

"Amazing noises that will make your ears squee with glee" - Stuff Magazine

"Pick of the Week" - MacBreak

On the roadmap:

- User Manual

- Translating Synth One to other languages!

(If you'd like to volunteer to help translate to your language, email matthew@audiokitpro.com)

- MPE Support (Play w/ a Roli Seaboard)

- AUv3 Plug-in support

Full Specifications

What's new in version


Release November 22, 2018
Date Added November 22, 2018

Operating Systems

Operating Systems iOS
Additional Requirements Requires iOS 10.3 or later. Compatible with iPad.


Total Downloads 23
Downloads Last Week 0
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