Music

LFOH!

An AUv3 modulation effect combining a shaped low-frequency oscillator with MIDI CC and audio-amplitude processing.

Our take

Consider for a compatible host's modulation workflow

Morphing waves, cycle shaping and sample-and-hold create more variation than a plain fixed oscillator.

Keep in mind: It only works inside an AUv3 host. MIDI routing depends on the host and exact plug-in configuration.

What you can do

  • Shape supported LFO waveforms
  • Adjust phase and cycle behavior
  • Use sample-and-hold
  • Send eligible MIDI CC or modulate incoming amplitude

Good for

  • Musicians already using a compatible host such as the named examples.

Consider alternatives for

  • People expecting a standalone synthesizer or every host routing option to work identically.

Limitations & considerations

  • Captured minimum: iOS 9.3.
  • It only works inside an AUv3 host. MIDI routing depends on the host and exact plug-in configuration.

Privacy & permissions

Projects and MIDI routing can expose creative material to a host or connected devices. Collection practices are unspecified.

Sources & review notes Updated Nov 11, 2026

Reviewed by iApp4Me Editorial Team. Recommendations use the linked documentation and attributed accounts; device observations are identified separately.

  1. US App Store developer description

    Complete description, download price and compatibility metadata captured 2026-11-02.

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