# Fret Map - ギター指板マッピングツール

> Guitar fretboard mapping tool for learning, composition, and practice. (iPhone/iPad app by Makoto Kataoka.)

- Source: https://appshunter.io/ios/app/fret-map/id1541568087 (this page in markdown: same URL + `.md`)
- Developer: [Makoto Kataoka](https://appshunter.io/developer/1541568089)
- Category: Music, Productivity, Music
- Price: $6.99
- Age rating: 4+
- Requires: iOS 13.0 · 15 MB
- Languages: English
- Released: 2020-11-26
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/fret-map/id1541568087/reviews.md

## What is Fret Map?

＜主な特徴＞
音楽理論の学習や研究、作編曲、スタジオワーク、スケール練習の補助ツールとして、
初心者から上級者まで向上心のある全てのギタリストに必要なフレットボードの情報をシンプルかつ最速で表示します。

＜主な機能＞
【メイン画面】
スクロール可能な23フレットのブレッドボード
フレットボード上でタップした音のオクターブ違いを含めた全ポジションの表示
長タップによるルート音の変更
選択した音とルート音の平行移動
選択モードとホールドモードの切り替え（簡単な確認程度の音が鳴ります。）
登録されているスケールやコードトーンの逆引き
各弦上下6半音の範囲で自由にチューニング可能
スパイダーカポやパーシャルカポのように各弦個別のカポタスト設定が可能
音名表記（C,D,E,,,）と度数表記（R,M2,M3,,,）の切り替え
半角英数30文字程度のメモスペース

【Mapping Tools】
140種のスケールや81種のコードトーンから選択可能（異名同構成音複数あり）
スケールのユーザー登録
DADGAD・OpenGなど22種類の一般的なオープンチューニングを選択可能
選択音・メモ・チューニング・カポタストの設定を一括で記憶できるプリセット機能
任意のキーを基準として属調や同主短調など近親調のダイアトニックコードが選択可能
五度圏・半音圏などからの選択が可能
メインで表示される臨時記号の切り替え

＜標準搭載スケールなどの一覧＞
【Scales】
・Basic
Major / Melodic Major / Harmonic Major / Double Harmonic Major / Major Pentatonic / Natural Minor / Melodic Minor / Harmonic Minor / Double Harmonic Minor / Minor Pentatonic / HMP5b / Altered / Acoustic / Dominant Pentatonic
・Symmetrical
Chromatic / Wholetone / Diminished / Dominant Diminished / Augmented / Tritone
・Blues
Blues Pentatonic / Major Blues / Minor Blues / Mixolydian Blues / Dorian Blues / Mixo-Dorian Blues / Voodoo Blues / Blue Notes
・World
・Japanese
・Bebap
・Pentsatonic Variations
・Alternates

【Modes】
・Church
Ionian / Dorian / Phrygian / Lydian / Mixolydian / Aeolian / Locrian
・Melodic Minor
・Harmonic Minor
・Harmonic Major
・Double Harmonic
【Chords】
・Basic
major / aug / minor / dim / 7 / M7 / M7(#5) / m7 / m7(b5) / mM7 / 6 / m6 / dim7
・Add & Sus
add4 / madd4 / add9 / madd9 / sus4 / 6sus4 / 7sus4 / M7sus4 / sus2 / 6sus2 / 7sus2 / M7sus2
・Tension
【Modulations】
・Tonic
ⅠM7 / Ⅱm7 / Ⅲm7 / ⅣM7 / Ⅴ7 / Ⅵm7 / Ⅶm7(b5)
・Relative
Ⅵm7 / Ⅶm7(b5) / ⅠM7 / Ⅱm7 / Ⅲm7 / ⅣM7 / Ⅴ7
・Sub Dominant
ⅣM7 / Ⅴm7 / Ⅵm7 / bⅦM7,#ⅥM7 / Ⅰ7 / Ⅱm7 / Ⅲm7(b5)
・Dominant
ⅤM7 / Ⅵm7 / Ⅶm7 / ⅠM7 / Ⅱ7 / Ⅲm7 / #Ⅳm7(b5),bⅤm7(b5)
・Parallel
・Relative Parallel
・Sub Dominant Parallel
・Dominant Parallel
・Counter
【Diatonics】
・Major
ⅠM7 / Ⅱm7 / Ⅲm7 / ⅣM7 / Ⅴ7 / Ⅵm7 / Ⅶm7(b5)
・Harmonic Minor
ⅠmM7 / Ⅱm7(b5) / bⅢM7(#5) / Ⅳm7 / Ⅴ7 / bⅥM7(b5) / Ⅶdim7
・Melodic Minor
・Harmonic Major
・Double Harmonic
【Tunings】
・Standard
Regular / Half Step Down / Full Step Down / Drop D / Double Drop D / All Fourths
・Open
Open C / Open C6 / Open D / Open DM7 / Open Dm / DADGAD / DADEAD / Open E / Open G / Open Gm
・Slack Key
Taro Patch / G-Wahine / Keola's C / C-Wahine / F-Wahine / D-Wahine

## Key features

- 23-fret scrollable fretboard
- Scale and chord tone reverse lookup
- Customizable tuning and capo settings
- 140 scales and 81 chord tones
- Preset saving for configurations
- Diatonic chord selection by circle of fifths

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/fret-map/id1541568087/reviews.md

### 1/5 — Fret Map

*2024-09-15*

It’s rubbish

## Frequently asked questions about Fret Map

### What is Fret Map used for?

Fret Map is a tool for guitarists to learn music theory, compose music, and assist with studio work and scale practice. It displays fretboard information simply and quickly.

### What scales and chords are available in Fret Map?

Fret Map includes 140 types of scales and 81 types of chord tones, with many variations and modes. It also features a comprehensive list of basic, add, sus, and tension chords.

### Can I customize tunings in Fret Map?

Yes, Fret Map allows for free tuning of each string within a range of 6 semitones. It also supports 22 common open tunings like DADGAD and Open G, as well as individual capo settings per string.

### Does Fret Map have ads?

No, Fret Map does not contain advertisements.

### What devices is Fret Map available on?

Fret Map is available for iPhone and iPod touch devices.

### How often is Fret Map updated?

The latest version, 1.2, was released on February 6, 2021. The app was initially released on November 26, 2020.

### What is the price of Fret Map?

Fret Map is a paid application priced at $6.99.

### What is the age rating for Fret Map?

Fret Map has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 3 releases)

### 1.2 — 2021-02-06

五度圏の表示を反転できるボタンを追加しました。

### 1.1 — 2020-11-30

ダークモードに対応しました。

### 1.0 — 2020-11-26

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*