CHAiOS Synth 2 For iPad

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Developer Per Loenicker has released CHAiOS Synth 2, an update to CHAiOS that has been ‘beefed up’, while retaining its uncomplicated interface. 

Here’s what’s new:

  • New bandlimited wavetable oscillator
  • New virtual analog 4-pole lowpass filter
  • Additional ADSR-envelope for the filter frequency
  • 3 modes for filter resonance
  • 16 step /3 track drum-sequencer
  • More parameters for reverb and delay
  • Adjustable oscillator volume
  • Improved, streamlined design


  • 16 Step melody generator with unique random algorithm
  • Wavetable oscillator with three different waveforms
  • VA lowpass filter with variable resonance and cutoff frequency
  • Delay- and reverb-effects
  • ADSR envelopes for controlling amp and filter frequency
  • Support for Audiobus and Inter-App Audio

Here’s a video demo:

CHAiOS Synth 2 is available for US $4.99. The original CHAiOS is available as a free download.

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