AudioKit Synth One Is Free, Open-Source & A Must Have Synthesizer For iOS Musicians

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That’s a big news! AudioKit Synth One is the first completely free & open-source professional Synthesizer with  for iOS!

The developers of AudioKit Pro have released today their biggest project so far that will cause a stir. AudioKit Synth One is the first completely free and open-source professional Synthesizer for iOS. It’s hard to believe that an developer team releases a complete Synthesizer for free, but in this case it’s true. Four points are important: open-source, no-hidden costs, full-featured engine and available for free. Exciting here is that the engine is open to everyone. If you always wanted to build your own Synthesizer app (≠ just copying the code), then AudioKit Pro’s latest release can be the perfect foundation.

Very positive to see is that it supports independent developers in their work and motivates them to develop new apps. Also, the code serves as a learning basis on how to develop music apps without being the next programming champion. Not a developer? No problem, then you can benefit of an excellent sounding new full-featured Synthesizer for iOS. The core is based on a hybrid analog/FM poly engine and features everything you expect from a modern synth or even more. The developers will go in future even further and plan to release an update with Ableton Link, AUv3 and MPE support! Big thumb up for this big release or how would a certain person say: make Synthesizer great again and accessible for everyone! 


AudioKit Synth One is the first completely free & open-source professional iOS Synthesizer app in history. Created by over 100+ volunteers around the world, 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! Plus, it’s completely open-source. Use the code to learn how to build your own synth app or modify the app yourself! 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)
  • 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 will be released soon…

The Future Of Audio Kit Synth One

On the roadmap:

  • Ableton Link
  • MPE Support (Play w/ a Roli Seaboard)
  • AUv3 Plug-in support. Use AudioKit Synth One
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AudioKit Synth One is now available for free.

Available here: AudioKit Synth One 

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