About this app
In Practice Mode, you can study scales at your own pace with randomly displayed notes. In Quiz Mode, test your skills and see how much you've learned! With sheet music, actual sounds, scale names, and keyboard positions all displayed, even complete beginners can feel confident.
Latest release
What’s New
Added all 88-key scales. Introduced Quiz Mode.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 23, 2026 · 1:41 PM Free
Screenshots
