About this app
Explore the patterns traced by points revolving around circles as they in turn revolve around other circles, patterns traced by points on circles the are rolling around the inside or outside of a larger circle, or patterns created by line segments connecting points on rotating circular gears. Choose the sizes, choose the velocities, choose the colors, and just see what happens.
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 Sep 4, 2026 · 6:23 PM Free
Screenshots
