About this app
A simple geometry app that is designed to overlay a protractor over an image. The protractor can be rotated and repositioned to teach students how to use a protractor to measure an angle.
Latest release
What’s New
Version 1.1
Jan 23, 2024
Improved gesture recognition
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
$0.99
Historical low
USD 0.99
Paid → free
0×
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 29, 2026 · 10:27 PM $0.99
Screenshots
