Pitch Diagram: Vocal Tuner

Audio graphs & singing tools

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Pitch Diagram gives you real-time visual feedback on every note you sing or play. See your pitch as a smooth, scrolling graph, spot intonation issues instantly, and track your accuracy down to the cent. Whether you're refining vibrato, practicing scales, breaking down melodies, or tuning your instrument, Pitch Diagram is a mirror for your sound. 6 Tools for Musicians • Pitch Diagram (Mono) Real-time pitch graph for single-note music. See every note as a continuous trace. Record you session and export to MIDI. • Pitch Spectrogram (Poly) Detect multiple notes at once. Reveal chords, harmonies, and harmonic overtones in any musical passage. • Tuner Cent-accurate chromatic tuner showing the closest note, cents offset, and exact frequency. • Intonation Tracker See your intonation relative to the nearest note, measured in cents. Ideal for focused practice. • Spectrum Analyzer Full frequency spectrum visualization with logarithmic scale. • Tone Generator Generate reference tones by note or frequency. Sine, triangle, square, and sawtooth waveforms. • Customize Your View - Switch between grid lines and piano roll background - Adjust visible octave range to match your voice or instrument - Toggle waveform strip for additional context - Transpose notes to any key - Set custom reference tuning - Switch between letter and solfege note labels • Free to Try - The first 10 minutes of usage are free and uninterrupted. - After that, you can use the app for free in 1-minute sessions. - Subscribe for uninterrupted access to everything. Built by a musician, for musicians. Feedback welcome, use the in-app Feedback button or email us. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Have questions or feedback? Contact us at roncaglionidaniele@proton.me

Ratings & Reviews

  • 5.0
    out of 5
    2 Ratings

- Added audio playback to monophonic Pitch Diagram recordings. - Added MIDI export for recordings. - Added support for non-standard tuning. - Added Solfege note labels. - Added full-range mode to the polyphonic Pitch Spectrogram. - Added a per-screen settings page.

Version 1.7.0

The developer, Daniele Roncaglioni, 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

    Accessibility

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

    Information

    Seller
    • Daniele Roncaglioni
    Size
    • 9.5 MB
    Category
    • Music
    Compatibility
    Requires iOS 17.6 or later.
    • iPhone
      Requires iOS 17.6 or later.
    • iPad
      Requires iPadOS 17.6 or later.
    • Mac
      Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.3 or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Daniele Alessandro Roncaglioni
  • Privacy Policy

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