The First Professional Open-Source iPad Synth

AudioKit Synth One is said to be the largest free & open-source iOS music project ever      30/05/18

Here's the newly-released preview video of what's been describe by its developers as the largest free and open-source iOS music project in history - AudioKit Synth One. This is what they have to say about it...

AudioKit Synth One is the first completely free & open-source full-featured professional iOS synthesizer app in history.  

Created by volunteers, the app will include MIDI support (play it with a MIDI keyboard or controller), sequencer, vintage-inspired analog filters, expressive arpeggiators, warm analog delays, and, over 200+ presets to get you started!

Plus, it’s completely open-source. Use the code to learn how to build your own synth app or modify the app yourself. Anyone can contribute code & features!

This synthesizer will be completely free, fully functional, and ad-free.  It’s the ultimate free iPad music instrument app.

AudioKit Synth Features:

  •     Hybrid Analog/FM Poly Synthesizer
  •     Over 200+ Presets crafted by famous sound designers
  •     Audiobus 3 & Inter-app Audio (IAA)
  •     Five Oscillators (2 DCO, FM, Sub, Noise)
  •     2 Assignable LFOs with dozens of routing possibilities
  •     100+ Alternative Scales & Tunings
  •     Vintage-Style 16-Step Sequencer
  •     Classic poly arpeggiator
  •     MIDI in (Control with a MIDI Keyboard or DAW)
  •     Touchable ADSR Envelopes for Amp & Filter
  •     FM Oscillator w/ Mod
  •     Dedicated Sine/Square -12/24 Sub Osc
  •     4-Pole Vintage Low-Pass Filter
  •     High-Pass/Band Pass Filters
  •     Mono portamento & legato
  •     Beautiful Sean Costello Reverb
  •     Multi-tap (ping-pong) delay
  •     TouchPads
  •     Preset Import/Export & More…
  •     MIDI Learn on all knobs, MIDI Bank/Patch & Sustain Pedal support
  •     Full Source code included



  •     Ableton Link
  •     AUv3 Plug-in support to use in your iOS host
  •     MPE Midi Support – Expressive control with Roli Seaboard, etc


Pricing and Availability:


More information:


Even more news...


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