Mr. Chord Doodle

Draw Chords & Tuner Metronome

Free

Mr. Chord Doodle lets you easily draw guitar chord diagrams. It also combines essential practice tools—like a tuner and metronome—into a single app. "Mr. Chord Doodle" is an all-in-one app designed for guitarists, allowing you to freely draw, display, and save chord diagrams with an intuitive "doodling" feel. In addition to creating chord diagrams, the app features a high-precision tuner and a versatile metronome. It solves common problems for guitarists, whether you want to check fingerings, log original chord progressions, or practice with a tuner and metronome without switching apps. [Main Features] ■Chord & Scale Drawing (Diagram Creation) Freely place positions on the guitar fretboard. Supports standard view, 180-degree reversed view, and a left-handed mode. Created chords and scales can be saved with custom names. Includes an automatic chord detection feature that identifies chord names based on your finger positions. ■High-Performance Guitar Tuner Supports Standard tuning, Half-Step Down tuning (with note detection), and Chromatic tuning. Easily tune your guitar before or during practice without leaving the app. ■Simple Metronome Features tempo-keeping with a choice of 6 sound sets. Save your favorite tempos and settings with custom names for easy recall during song practice. Whether you are a beginner learning chords, or an advanced player taking notes on chord progressions and scales, this app supports all levels of guitar practice. Perfect for your daily guitar session!

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What's New in Version 1.1 ・Added support for Bluetooth headphone audio playback ・Added a tab indicator that displays when the metronome is active ・Added an update notification feature to alert you when a new version is available We have also fixed various bugs and improved overall app stability.

Version 1.1

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

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  • Data Linked to You

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    The following data may be collected but it is not linked to your identity:

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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
  • KAZUAKI NATSUBAYASHI
Size
  • 43.8 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.
Languages
English and 9 more
  • English, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
Age Rating
4+
Copyright
  • © 2026 Kazuaki natsubayashi
  • Developer Website
  • Privacy Policy