Follow the sound.
Live frequency and a bright cents gauge show flat, sharp, and the green sweet spot in between.
A LITTLE RITUAL BEFORE YOU PLAY
Four strings or six. One clear gauge. A native guitar and ukulele tuner that helps you find your pitch and get back to playing.
macOS 14+ · Apple silicon & Intel · 3.4 MB
Download, unzip, and move Okarina.app to Applications.
Live frequency and a bright cents gauge show flat, sharp, and the green sweet spot in between.
Five guitar tunings: Standard, Drop D, Half step down, Open G, and DADGAD. Three ukulele tunings: High G, Low G, and Baritone. Let Okarina find the string, or select one yourself.
Your microphone audio is analyzed on your device. Nothing is saved or sent to a server.
READY WHEN YOU ARE
Open the app, choose a tuning for your instrument, select Start tuning, and allow microphone access. Pluck one open string and mute the others. Tighten gently if it’s flat; loosen if it’s sharp. Green means you’re within 5 cents of the target.
Experimental software. A₄ reference is adjustable from 430–450 Hz. iPhone and Apple Watch versions are in development; the public download is for Mac.