About this app
This app is a simple, compact protractor for quick angle checks. You can easily measure angles using a protractor that is always with you. It supports switching between 90° and 180° views, with fine markings shown in 2-degree increments for more precise checks. The app is simple to use and launches quickly when needed. A handy protractor for everyday use and small tasks.
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 21, 2026 · 11:16 AM $0.99