Luigi: Violin Tuner & Scales

Intonation trainer with drone

Free · In‑App Purchases

See every note of the key on the fingerboard, watch where your finger lands, and build a heatmap of where you play sharp or flat. Tuner, drone and metronome included. Luigi helps violinists do the one thing that matters most: play the right note, in tune. Set your phone on the stand (or plug in a pickup) and Luigi listens. It detects the pitch of every note you play, shows exactly where your finger landed on the fingerboard, and keeps a heatmap of where you tend to play sharp or flat — so practice turns into progress you can see. TUNER • Accurate chromatic tuner with a ±50¢ needle and a clear in-tune zone • Automatic string detection — or pin a string when it is far off • Adjustable reference pitch (A4 = 415–445 Hz) and a haptic tick when a note locks in • Plain-language hints: "+6¢ — tune down" SCALES ON THE FINGERBOARD • Every in-key note for any major, natural minor or harmonic minor key, on all four strings up to the octave • Play in any order: each note snaps to its spot on the board and turns green when you hold it in tune • Off-key notes are named against their in-key neighbors ("between E and F#") • Adjustable tolerance: strict ±5¢, standard ±10¢, relaxed ±15¢ • Equal temperament, or just intonation against the tonic of the key DRONE AND METRONOME • A warm drone on the key's tonic, with an optional pure fifth, pitched below the violin so it never masks your notes • Sample-accurate metronome from 30 to 240 bpm with accented downbeats STATISTICS THAT COACH YOU • Fingerboard heatmap: blue where you tend flat, red where you tend sharp • Finger-level coaching ("your 3rd finger on the A string trends 12¢ sharp") • Practice streaks, minutes per day, and this week against last • In-tune rate per session and per key, plus the keys you have not visited yet • Bow tone: how much of your sound was clean, and how many scratchy moments BUILT FOR REAL PRACTICE • About 130 ms from finger correction to screen — fast enough to steer by • Works with a contact pickup through a USB audio interface, immune to room noise • iPhone, iPad (with a landscape fingerboard) and Mac • No account, no ads, no tracking. Audio is analyzed on your device and never recorded. FREE TO START, ONE PURCHASE FOR EVERYTHING The tuner, G, D and A major, the drone, the metronome, your heatmap and finger coaching are free forever. Luigi Full — every key, just intonation, practice history and bow tone — is a single one-time purchase. No subscription, ever. Luigi was made by a violinist who wanted a practice partner that tells the truth about intonation. If it helps you play better, a review means a lot.

  • This app hasn’t received enough ratings or reviews to display an overview.

The developer, Burak Unaltay, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    Burak Unaltay
    Size
    3.2 MB
    Category
    Music
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Burak Unaltay