Calculate key parameters for 26 geometric shapes, including 2D planes and 3D solids. Offers 783 calculations with interactive 3D views for solids. Supports multiple languages and devices.






138+ iOS apps & games curated and reviewed
From beginner-friendly picks to power-user tools, our find circumference of a circle list covers 138+ iPhone apps and games updated through October 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.5★ (79) | Yes | Yes | Oct 2026 | ||
| 2 | Free | 1.0★ (4) | No | No | Oct 2026 | ||
| 3 | Free | 5.0★ (1) | No | No | Oct 2026 | ||
| 4 | Free | — | No | Yes | Nov 2026 | ||
| 5 | Free | 4.4★ (90K) | No | Yes | Nov 2026 | ||
| 6 | Free | — | No | No | May 2026 | ||
| 7 | Free | — | — | No | May 2026 | ||
| 8 | Free | — | — | No | Jun 2026 |






Calculate key parameters for 26 geometric shapes, including 2D planes and 3D solids. Offers 783 calculations with interactive 3D views for solids. Supports multiple languages and devices.



This educational tool quickly calculates circumference, area, and diameter of a circle. It's designed for students to save time on manual calculations with a simple, user-friendly interface.






This utility app provides a straightforward way to calculate circle properties. Simply input one known value (radius, diameter, circumference, or area) to instantly get the results for the others. It's designed for quick and no-fuss calculations.