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Circle Judge - Roundness Check — App Store rankings

MITSUKO MARGOT KUBOTA ONO · Graphics & Design · View on the App Store

About this app

The developer's US App Store description, in full.

Draw a circle freehand and get its roundness (circularity) scored. The app analyzes your stroke automatically and instantly shows how close it is to a perfect circle in percent. ● Features * One-tap scoring: draw a circle and lift your finger—shows 0–100% roundness * Easy comparison: overlays a same-size reference circle (toggle on/off) * Customization: freely choose pen color and guide color * Simple sharing: share the drawn circle as an image with the score * Appearance: supports Light/Dark Mode ● Great for * Practicing steady, freehand circles * Visualizing and improving hand jitter in design/sketching * Having fun “roundness challenges” with friends and family ● How to use 1. Trace a circle with your finger on the screen 2. Lift your finger to auto-score and show the reference circle 3. Tap Share to send a square image with the score

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