Automatic Pitch Correction & Harmony · macOS AU / VST3
Pitch that stays in key.
A live-monitorable pitch corrector and scale-aware 3-voice harmonizer — from invisible natural tuning to a hard robotic snap, with harmonies that always land in the right key.
Pay what you want$9.99+
$
✓ 30-day money-back✓ Signed & notarized✓ Instant download
› PSOLA pitch engine› Scale-aware harmony› automatic key detection› Signed & notarized by Apple› macOS 15+
The signature
A singer can monitor through it.
The PSOLA engine corrects pitch in the time domain with low enough latency to sing through — no distracting lag. Dial retune speed and strength from invisible natural correction all the way to an instant robotic snap.
Natural to robot — one dial.
Under the hood
Pitch correction and harmony in one plugin.
A real correction engine and a diatonic harmonizer that follows the key — not a one-knob effect.
Lead correction
- Retune speed and strength, natural to instant snap
- Hard Tune toggle for the robot sound
- Formant preserve and manual throat shaping
- Anti-warble, sibilance protect, low cut and ref tuning
Key detection
- Krumhansl-Schmuckler automatic key-finding
- Or set key and scale by hand across 7+ scales
- MIDI mode to drive pitch from notes
Smart harmonizer
- 3 voices with a 21-cell harmony matrix
- Per-voice interval, level, pan, formant, detune, vibrato and humanize
- Scale-aware voices always land in key
- MIDI / chord mode follows a held chord
Modulation and polish
- Dual-LFO engine routable to pitch, formant or pan
- Doubler and dimension widener without mono collapse
- Ducking reverb and delay wash
- De-esser and Rise lift, with honest latency reporting
› Natural Correction› Tight Pop› Hard Robot / hard robot› Thirds Harmony› Octave Stack› Choir› MIDI Lead› MIDI Choir› Deep Throat Double› Remi Blaze Tune
The details
Installs clean. Runs everywhere on macOS.
Formats
AU · VST3 · Standalone
Architecture
Universal Binary — Apple Silicon + Intel
Security
Code-signed & notarized by Apple
Requires
macOS 15.0 or later · 64-bit host
Presets
10 factory presets
Delivery
Instant .pkg download
Pay what you want
Tune it, harmonize it,
Tune it, harmonize it,
keep it in key.
Pay what feels fair — the floor is $9.99. Backed by a 30-day money-back guarantee.
Choose your price$9.99+
$