About this app
Memorize your key signatures with Key Maestro! Drill the number of sharps and flats in different major and minor keys. Learn and memorize with the circle of fifths and a crab companion!
Audience growth
Ratings growth
7-day gain
+0
Ratings / day
0.0
30-day gain
+0
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
Current
Free
Historical low
Free
Paid → free
0×
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 22, 2026 · 9:03 AM Free
Screenshots
