“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
*** "2018 App of the Year, Runner up" – Stuff.tv ***
*** “Best iOS Music Apps of 2018” – Cult of Mac ***
*** “Best of 2018: iOS Apps for Musicians” – Ask.Audio ***
"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
*** “Best Music Apps of 2018” – Music Radar ***
LEARN OUR INCREDIBLE STORY:
*** Optimized for newer iPads & iPhones for best performance.
Note: Requires iPhone 6 or higher screen size. App will not work on older iPhone 5/SE/Touch devices
"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."
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
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: email@example.com
SYNTH ONE FEATURES:
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
• 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:
• MPE Support (Play w/ a Roli Seaboard)
• AUv3 Plug-in support
Version 1.1.2 release notes
Thanks everyone! We're always improving Synth One for you! Quick fixes:
+ Fixes Synth One from crashing on load on some iPhones
+ Ableton Link fixed yesterday
In case you missed it – Version 1.1 Adds new keyboard!
+ NEW microtonal keyboard mode: Key colors match pitch wheel colors on "Tune" panel for intuitive performance
+ Marcus Hobbs has blessed you all with a microtonal keyboard that transports you to ultraharmonic dimesions
Go to the "Keys" button above the keyboard, and choose the "microtonal" keyboard.
+ Tons of other fixes and improvements.
Synth one is getting better every day! That's the power of open-source.
Any help spreading the word about this app would be appreciated. The more people that know about the apps, the more musicians can enjoy them!
Share Once: Tell one musician you care about. That's all it takes.
Together we can change the world.
Please note that we all are volunteers. AudioKit does not have any sponsors or investors.
We are all musician/developers who love making apps.
We love hearing your music! Send it to us. For friendly conversation or to say hello, please email
The full & complete source code is available: