Bram Bos: Phasemaker FM iOS Synth

Developer Bram Bos has released an incredible iOS / AUv3 plugin FM synth, Phasemaker.

Phasemaker is the first 6-Operator FM Synth for iOS, building on the legacy of the FM synths that helped define the sound of the 80s. It’s also the first FM Audio Unit instrument (AUv3), so it works in leading mobile DAWs, including Auria, Cubasis, Modstep and AUM.

Frequency Modulation brings rich timbres and dynamic evolving sounds full of personality which are impossible to create with analog modelling. The 6-Operator architecture allows for lively multi-layered sounds with lots of expression and playability.


  • Audio Unit v3 compatible
  • CoreMidi compatible standalone mode (with background audio)
  • Custom preset management; user presets available across AU hosts
  • Dozens of factory presets
  • 42 FM Algorithms (including all 32 DX7 layouts)
  • 12 Oscillators, including the 8 original TX81z waveforms
  • All 106 parameters can be automated using MIDI CC and AU Parameters
  • Vintage sounding chorus and reverb effects for classic ambiance

System requirements: iPad 4+, iPad Mini 2+, iOS 9 or higher

Phasemaker is available now.

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