PitchCompass

See pitch as you hear it. PitchCompass turns the notes you sing or play into a clear circular tuning display. The detected note, octave, cents, and frequency stay centered on the chromatic dial, while a precise marker shows where the pitch falls between notes. Use PitchCompass to tune an instrument, practise vocal or instrumental intonation, train your ear, check sustained notes, or identify tones while transcribing. FEATURES • Responsive microphone pitch detection across a wide musical range • Note, octave, frequency, and signed-cents readout • Three harmonic rings that show agreement around the detected pitch • Recent cents history for following intonation over time • Optional microphone waveform display • Chromatic reference tones from C2 through B5 • Adjustable A4 reference from 415 to 455 Hz • Letter names or Do–Re–Mi labels • Optional experimental extension for B0–D-sharp 1 bass notes • Simple metronome with Tap Tempo and 40–240 BPM control • Light, dark, or system appearance • Designed for iPhone and iPad in portrait and landscape FREE TO USE Reference tones and the metronome remain available without a purchase. When you are ready, you can explicitly start a free 7-day trial of microphone tuning and every PitchCompass feature. The trial is not a subscription and does not create an automatic charge. After the trial, unlock Full Access with a one-time purchase. Customers who purchased PitchCompass version 1 retain lifetime access automatically. PRIVATE BY DESIGN Microphone audio is analyzed on your device. PitchCompass does not record or upload your audio, require an account, show ads, or use tracking.