Fretboard Master vs iRetroMuse
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fretboard Master
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【Take Your Guitar Fretboard Knowledge to the Next Level】 Fretboard Master is a dynamic learning app designed to visualize note names, intervals, scales, and chord shapes directly on the guitar fretboard. Equipped with a built-in tuner and metronome, it’s the ultimate all-in-one tool to supercharge your daily practice. ■ Key Features Dynamic Interval & Note Display: Easily switch views across all keys (supporting both sharps and flats). Comprehensive Scale Mapping: Instantly map essential jazz and rock scales across the entire fretboard. Tension Note Visualization: Check and analyze tension notes based on different chord types. CAGED System Integration: Visualize and master fretboard patterns using the CAGED system. Built-in Metronome: Practice seamlessly with background playback support. Whether you are a beginner or an advanced player, Fretboard Master is your powerful companion to deepening your understanding of music theory and mastering improvisation.
iRetroMuse
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iRetroMuseは、80〜90年代のオーディオ機器をモチーフにした、レトロデザインのミュージックプレイヤーアプリです。 レコード、カセット、CD、ポータブルプレイヤーなど、懐かしい再生スタイルを切り替えながら、お気に入りの音楽を楽しめます。 温かみのあるアナログ風UIに加え、本格イコライザーやVUメーター演出を搭載。見た目だけでなく、音楽を“触って楽しむ”感覚まで再現しました。 【主な機能】 ・4種類のプレイヤーモード RECORD / CASSETTE / CD / PORTABLE ・レトロ感あふれるアナログVUメーター ・プリセット対応7バンドイコライザー Flat / Pop / Rock / Jazz / Classical / Bass Boost ・ボーカル調整やディープベース機能 ・シンプルで使いやすい音楽ライブラリ操作 ・ダークで高級感のあるオーディオUIデザイン 懐かしいオーディオ機器が好きな人も、レトロデザインが好きな人も、毎日の音楽時間をもっと特別に。 イヤホンをつけた瞬間、あの頃の気分がよみがえります。
Screenshots
Verdict
The clearest difference is in-app purchases: iRetroMuse at none against Fretboard Master's 1. Fretboard Master's advantage is iOS requirement (15.0 vs 26.5). On price, update cadence, 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. Fretboard Master sells 1 one-off in-app purchase. iRetroMuse asks for nothing beyond the download.
Fretboard Master ships an update every 3 weeks, iRetroMuse monthly. Both last shipped on November 5, 2026.
| Parameter | Fretboard Master | iRetroMuse |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 26.5 |
| Further details — not scored | ||
| Size | 29 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | ANTENNA WORKS | Kouki Yoshimoto |
In-app purchases
Fretboard Master
- 広告を削除$1.99
iRetroMuse
No in-app purchases
Questions
Is Fretboard Master free?
Is iRetroMuse free?
Do Fretboard Master or iRetroMuse have ads?
Which is updated more often, Fretboard Master or iRetroMuse?
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