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!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Version 1.3 Update
Fixed an issue where the app failed to redirect to the App Store when a new version was available.
Moved the metronome song name input field to a separate window for better usability.
Resolved text visibility issues occurring in different languages (localization).
General bug fixes and performance improvements.
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 .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
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.
- iPhone
- Languages
English and 9 more
- English, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 Kazuaki natsubayashi