Tuner (チューナー) vs Fuyomi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tuner (チューナー)
This app provides a highly accurate chromatic tuner. It allows you to set a reference tone A4 between 400Hz and 480Hz in 1Hz increments. You can also generate test tones across a wide range of notes.
- High-precision chromatic tuning
- Adjustable reference tone (400Hz-480Hz)
- Test tone generation (C0-B8)
- Wide note range support
- 1Hz increment tuning
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高精度なクロマチックチューナーアプリです。 基準音 A4 を 400Hz 〜 480Hz で 1Hz 単位で設定できます。 C0 〜 B8 の広い音程でサイン波のテスト音を鳴らすことができます。 【注意】 耳を痛めないように、音量を上げないでテスト音を鳴らしてください。 特に B2 以下の低い音は聞こえなくても、物理的に音としては出ているので音量を上げて耳を痛めないように気をつけてください。 C6 以上の高い音も、同様です(高い音は気づくと思いますが)。
Fuyomi
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Fuyomi – The All-in-One Music Practice Companion Fuyomi is a multifunctional practice support app designed specifically for musicians. It brings together the essential tools for daily practice and performance into one seamless experience, helping you practice more efficiently and comfortably. Main Features: ◆ High-Precision Metronome ・Customizable BPM and time signature ・Clear tempo cues via visual flash, vibration, and animation ・Tap-to-set tempo detection included ◆ Chromatic Tuner ・Real-time pitch detection using your microphone ・Supports a wide range of instruments including strings, winds, and vocals ・Reference tone playback feature included ◆ Score Import & Annotation ・Import sheet music as PDF or image ・Freely annotate using Apple Pencil or finger ・Auto-save ensures your markings are preserved ◆ Automatic Score Scrolling ・Hands-free page turns or continuous scrolling at a set speed ・Stay focused on performance without interruptions ◆ Export Annotated Sheets ・Combine your handwritten notes with the background ・Export as PDF or HEIC and share with ease This app is ideal for beginners to intermediate musicians looking to streamline their practice. Coming soon: automatic sheet music reader and AI-powered transcription tools — stay tuned for future updates!
Screenshots
Verdict
The clearest difference is update cadence: Fuyomi at weekly against Tuner (チューナー)'s every 123 months. Fuyomi also leads on iOS requirement (16.6 vs 26.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Tuner (チューナー) ships an update every 123 months, Fuyomi weekly. The most recent releases landed on October 19, 2026 and October 11, 2026 respectively.
| Parameter | Tuner (チューナー) | Fuyomi |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 123 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 3 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | feb19 | Dreamify Inc. |
In-app purchases
Tuner (チューナー)
No in-app purchases
Fuyomi
No in-app purchases









