F vs Mr. Chord Doodle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
F
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「ギターを始めたけれど、Fコードで挫折しそう…」 そんなあなたのための、Fコード特訓専用アプリがついに登場! F-CHORD MASTERは、高精度な周波数解析テクノロジーを搭載。あなたのギターの音を1本1本の弦までリアルタイムに捉え、どの弦が鳴っていて、どの弦がミュートされているのかを視覚的にフィードバックします。耳コピ不要、アプリがあなたの「第2の耳」になって練習をサポートします。 【本アプリの主な特徴】 ● リアルタイム周波数判定:ギターを弾くだけで全6弦の鳴りを瞬時に解析。 ● 3秒集中モード:本番さながらの緊張感で、Fコードの「成功」を確実に手に入れる。 ● プロ級のフォーム解説:実際の写真に基づいた解説で、正しい指の角度や力の入れ方をマスター。 ● お悩み解決Q&A:手が小さい、指が痛い...。初心者特有のリアルな悩みに真剣回答。 「Fコードさえ弾ければ、弾ける曲が無限に広がる」 このアプリは、あなたのギター人生の最初にして最大の壁を、一緒に乗り越えるためのパートナーです。 さあ、今日からあなたもFコード・マスターへ!
Mr. Chord Doodle
This app helps guitarists draw, save, and display chord diagrams with a freehand feel. It also includes a high-precision tuner and a versatile metronome, eliminating the need to switch between multiple tools for practice.
- Chord and scale diagram drawing
- Customizable chord saving
- Automatic chord detection
- High-performance guitar tuner
- Versatile metronome with sound sets
- Save favorite tempos and settings
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"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!
Screenshots
Verdict
The clearest difference is in-app purchases: Mr. Chord Doodle at none against F's 1. F's advantage is iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. F sells 1 one-off in-app purchase. Mr. Chord Doodle asks for nothing beyond the download.
| Parameter | F | Mr. Chord Doodle |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | — | Every 4 days |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 50 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | kenji kuroki | KAZUAKI NATSUBAYASHI |
In-app purchases
F
- premium unlock$1.99
Mr. Chord Doodle
No in-app purchases








