236+ iOS apps curated and reviewed
If you already know Geometry Calculator, this is the deeper bench. 236+ geometry calculator triangle apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (8) | No | No | Sep 2026 | |
| 2 |  | Free | 3.6★ (40) | No | Yes | May 2026 | |
| 3 |  | Free | 4.5★ (78) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 3.3★ (15) | Yes | Yes | May 2026 | |
| 5 |  | Free | 4.0★ (209) | No | Yes | Sep 2026 | |
| 6 |  | Free | 5.0★ (3) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 4.6★ (10K) | Yes | Yes | Oct 2026 | |
| 8 |  | $2.99 | 4.6★ (33) | No | No | Sep 2026 |
Perform a wide range of geometric calculations for various shapes including triangles, rectangles, circles, and prisms. Features an intuitive interface with instant recalculations and interactive visualizations. Customize units and decimal places for precise results.
This app calculates missing values for both right and irregular triangles. Simply input two known values for a right triangle or three for an irregular one, and it will compute the remaining sides and angles.
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.
