{"@context":"https://schema.org","@type":"MobileApplication","name":"Scale Navi - Piano Scales","applicationCategory":"MobileApplication","operatingSystem":"iOS","offers":{"@type":"Offer","price":"0","priceCurrency":"USD"},"description":"See the correct fingering for every piano scale — right on the keyboard.
Perfect for mastering Hanon Exercise 39: \"Scales in All Keys.\"

【Who is this for?】
・Struggling to memorize scale fingerings
・Self-learners who want to verify correct technique
・Practicing with a metronome to gradually increase tempo
・Working through all 24 keys of Hanon 39

【Key Features】
・Fingering for all 24 keys displayed on both hands (Right: Blue, Left: Red)
・All three minor scale types (Harmonic, Melodic, Natural)
・Scale playback — adjust tempo freely and follow along with animated keys
・Integrated metronome — perfectly synced with scale playback, with off-beat mode
・Finger crossing and thumb-under positions highlighted
・One-tap navigation to the next key in Hanon 39 order
・Track your progress per key and filter to focus on the ones you need
・Practice timer — automatic session tracking with per-venue settings
・Recording — record your practice and play it back later
・Sheet music viewer — import PDFs and follow along during practice
・iCloud sync — keep your progress, sheet music, and recordings in sync across devices
・Background playback — with \"Always Play Sound\" enabled, keeps playing even when your screen is locked
・Silent mode support — turn off \"Always Play Sound\" to respect silent mode (background playback is disabled)

【Problems We Solve】

Can't Remember Fingering Numbers
Visual fingering display makes it intuitive with colors and shapes. Starting and turnaround positions are instantly recognizable, eliminating the need to constantly refer back to sheet music.

Difficulty Playing with Metronome
Pre-count function ensures you're ready to start. Scale playback and metronome are synchronized, helping you develop accurate rhythm sense.

Don't Know How to Practice All 24 Keys Efficiently
Navigate through keys in Hanon 39 order. Practice efficiently following the textbook sequence. Filter by mastery level to focus on the keys you struggle with.

【Free Version】
Practice 12 keys:
・6 Major scales (C, G, D, F, Bb, A)
・6 Minor scales (A, E, B, D, G, F#)
・All three minor types
・Up to 3 recordings
・Up to 3 sheet music PDFs
・Background playback limited to 3 minutes

【Upgrade】
・Access all 24 keys
・Unlimited recordings
・Unlimited sheet music
・Unlimited background playback

【Practice Tips】
・Start with a slow tempo
・Play accurately while checking fingering numbers
・Once comfortable with 1 octave, gradually increase octave count
・Practice consistently, even if briefly, every day
・Use metronome feature to practice with stable rhythm
・Record yourself to identify areas for improvement
・Use in conjunction with Hanon Exercise 39 for best results

【About Hanon Exercise 39】
Hanon Exercise 39 \"Scales in All Keys\" is a classic piano practice textbook staple. Scale Navi is designed to maximize support for practicing this exercise.","image":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/ae/37/73/ae377360-e757-f9f6-8591-7edd86c477ec/AppIcon-0-0-1x_U007epad-0-1-P3-85-220.png/150x150bb.jpg"}

How Much Does Scale Navi - Piano Scales Make?