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Okarina

okarinaexperimental

Tunes your guitar and ukulele with live pitch feedback, alternate tunings, and a clear cents gauge.

Swiftv1.1.1Released 18 Sept 2026

A native guitar and ukulele tuner with live pitch feedback, a clear cents gauge, and eight tunings.

This public repository contains the website and Mac release downloads. Application source is maintained separately.

Download for Mac

Get the ZIP from the latest release, unzip it, and move Okarina.app into Applications. Requires macOS 14 or later; supports Apple silicon and Intel Macs.

Published Mac builds are signed with Developer ID and notarized by Apple. Each release includes a SHA-256 checksum. Okarina is experimental and is still undergoing device testing.

Tune your guitar or ukulele

Open Okarina, choose a tuning for your instrument, click Start tuning, and allow microphone access. Pluck one open string and mute the others. The pointer shows whether the note is flat or sharp; the center turns green within ±5 cents of the target.

  • Automatic detection or manual string selection.
  • Guitar: Standard, Drop D, Half step down, Open G, and DADGAD.
  • Ukulele: High G (G₄ C₄ E₄ A₄), Low G (G₃ C₄ E₄ A₄), and Baritone (D₃ G₃ B₃ E₄).
  • Concert pitch from A₄ = 430–450 Hz, saved on your device.
  • Audio is analyzed locally and is never recorded or uploaded.

iPhone and Apple Watch versions are in development; this repository distributes the Mac app.

Website · Release history · Hyrule Compendium

Usage statistics

This site records anonymous usage statistics: page views, download clicks and a daily visitor count derived from a hash of your IP address and browser. No cookies, no personal data, nothing stored in your browser. The app records one anonymous launch event per start. The collector is Gossip Stone.

Release history

  1. v1.1.1

    Okarina 1.1.1

    Okarina 1.1.1

    A guitar and ukulele tuner with a live pitch gauge and alternate tunings.

    Requires macOS 14 or later. Universal app for Apple silicon and Intel.

    Download the ZIP, move Okarina.app to Applications, then open it. Signed with Developer ID and notarized by Apple.

  2. v1.1.0

    Okarina 1.1.0

    Okarina now tunes ukuleles as well as guitars.

    • Added High G (G4 C4 E4 A4), Low G (G3 C4 E4 A4), and Baritone (D3 G3 B3 E4) ukulele presets.
    • Four-string layouts, instrument-aware guidance, and saved tuning preferences.
    • Improved pitch handling for ukulele notes and cleared unavailable string locks when switching instruments.
    • Refreshed Okarina mascot and app icon.

    Requires macOS 14 or later. Universal app for Apple silicon and Intel.

    Download the ZIP, unzip it, and move Okarina.app into Applications. Signed with Developer ID and notarized by Apple.

  3. v1.0.0

    Okarina 1.0.0

    Okarina 1.0.0

    A guitar tuner with a live pitch gauge and alternate tunings.

    Requires macOS 14 or later. Universal app for Apple silicon and Intel.

    Download the ZIP, move Okarina.app to Applications, then open it. Signed with Developer ID and notarized by Apple.