Scl. vs Metronome
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scl.
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「音階練習をもっと見える化、もっと楽しく。」 クラシック音楽に携わるすべての奏者にとって、音階(スケール)は一生の課題です。でも、一人で練習していると「今の音、本当に合っているかな?」と不安になることはありませんか? 「Scl.(スケール)」は、そんな毎日の基礎練習を支えるために生まれたアプリです。 チューナーで一音ずつ確認する手間を省き、弾いたその場で音の精度を教えてくれます。 ■ Scl. でできること 「純正律」と「平均律」の切り替え ピアノに合わせるための平均律だけでなく、合奏やソロで必要な「純正律」での練習が可能。美しい響きを耳と目で学べます。 音のズレをリアルタイムで表示 あなたの音がどれくらいズレているかを視覚的に分かりやすく表示。自分の耳を養うトレーニングにも最適です。 モチベーションが続く「採点&ランキング」 練習を点数で評価。世界中のユーザーとランキングで競い合えるので、単調になりがちなスケール練習がゲームのように楽しくなります。 日々の成長を「グラフ」で実感 練習の記録は自動で保存。上達のプロセスがグラフで見えるので、モチベーションを維持しながら練習を習慣化できます。 ■ こんな方におすすめ 音程を基礎からしっかり見直したい方 純正律での響きを身につけたい弦楽器・管楽器奏者 毎日の練習を記録して、上達を実感したい方 部活や音大での練習を、より効率的にしたい方 バイオリン、フルート、チェロ、サックス、声楽など、音階を愛するすべての奏者へ。 「Scl.」と一緒に、一歩先の美しい響きを目指してみませんか?
Metronome
This app provides a reliable tempo trainer and chromatic tuner for musicians. It offers precise BPM control, custom accents, and various subdivisions. The Pro version includes advanced features like a watch app and widgets for convenient practice.
- Precise tempo trainer (1-400 BPM)
- Chromatic tuner with live pitch detection
- Customizable meters and subdivisions
- Pendulum animation and downbeat flash
- Apple Watch app with haptic feedback
- Home Screen and Lock Screen widgets
- Saved presets and unlimited presets (Pro)
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Every practice session needs a tempo you can trust. Metronome combines a precise tempo trainer and chromatic tuner for musicians who want reliable BPM, saved presets, and no ads — one purchase, no subscription. ACCURATE TIMING, EVERY TIME Set 1–400 BPM on iPhone, iPhone Duo, and iPad with a precision slider and ±1/±5 steps. Choose common and Pro meters, custom accents, and quarter, eighth, sixteenth, or triplet subdivisions. A pendulum animation and downbeat flash keep you locked in. MADE FOR IPHONE DUO Folded, you get the familiar one-hand layout with Play always on screen, even in landscape. Unfold for a roomier two-column practice stage. CHROMATIC TUNER, WHEN YOU NEED IT Switch to the Pro tuner without leaving the app. Live pitch detection, a clear cents needle, and master tuning from 428 to 452 Hz. A reference drone holds the master pitch so you can tune by ear. WATCH, WIDGETS, LIVE ACTIVITY The Pro Apple Watch app is a standalone wrist metronome (40–300 BPM) with Digital Crown tempo and haptic or sound feedback. Home Screen and Lock Screen widgets, plus Live Activity and Dynamic Island, keep tempo in reach. The iPhone and Watch apps do not run in sync; the Watch works independently. ONE PRICE. NO STRINGS. Free to try: core metronome, 2/4–4/4, three presets, Live Activity. Pro is a one-time unlock for the tuner, Watch app, widgets, unlimited presets, extra meters, sounds, and haptics. No subscription. No ads.
Screenshots
Verdict
The clearest difference is in-app purchases: Scl. at none against Metronome's 1. Scl. also leads on iOS requirement (13.0 vs 18.0). 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. Metronome sells 1 one-off in-app purchase. Scl. asks for nothing beyond the download.
| Parameter | Scl. | Metronome |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 9 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 19 MB | 8 MB |
| Age rating | 12+ | 4+ |
| Developer | Toru Noguchi | Phillip Paul |
In-app purchases
Scl.
No in-app purchases
Metronome
- Pro Tier Lifetime$1.99









