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Music

FAC Gravity

By Frederic Corvest

An AUv3 frequency-shifting effect with stereo motion and evolving feedback.

View on the App Store Official website
Our take

Good for experimental audio textures

Tempo/MIDI control and modulation make movement programmable.

Keep in mind: Requires a compatible AUv3 host; extreme feedback can produce loud or harsh sound.

What you can do

  • Dual frequency shifting
  • Spiral delay/feedback
  • Modulation matrix and stereo controls

Good for

  • Musicians designing spectral effects

Consider alternatives for

  • A standalone recorder or conventional pitch correction

Limitations & considerations

  • Captured minimum: iOS 17.0.
  • Requires a compatible AUv3 host; extreme feedback can produce loud or harsh sound.

Privacy & permissions

Host routing controls which audio is processed; protect imported recordings and project exports.

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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