250+ iOS apps curated and reviewed
Figure calculator ShapeInfo is the household name in diagonal calculator, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (147) | Yes | No | Oct 2026 | |
| 2 |  | Free | — | Yes | No | Jul 2026 | |
| 3 |  | Free | 4.6★ (420) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 4.5★ (907) | No | Yes | Oct 2026 | |
| 5 |  | Free | 4.6★ (248) | No | Yes | Oct 2026 | |
| 6 |  | Free | — | No | No | Oct 2026 | |
| 7 |  | Free | — | No | No | Aug 2026 | |
| 8 |  | $1.99 | — | No | Yes | Oct 2026 |
Easily calculate lengths, angles, and areas of various geometric shapes. Input known values and instantly get precise results for a wide range of 2D and 3D figures. Ideal for students and engineers needing quick geometric computations.
A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.
