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★ (143) | Yes | No | Oct 2026 | |
| 2 |  | Free | 4.6★ (409) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 4.5★ (905) | No | Yes | Oct 2026 | |
| 4 |  | Free | 4.6★ (242) | No | Yes | Sep 2026 | |
| 5 |  | Free | 5.0★ (4) | No | No | Oct 2026 | |
| 6 |  | $5.99 | 4.7★ (6.3K) | No | Yes | Oct 2026 | |
| 7 |  | Free | 4.8★ (21K) | Yes | No | Oct 2026 | |
| 8 |  | Free | 4.0★ (1) | Yes | Yes | May 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.
This app simplifies complex calculations for construction professionals. It offers a variety of tools for tasks like spacing, measurements, and material estimation, helping to reduce errors and save time on job sites. Available on iPhone and iPad, it aims to be an essential tool for tradespeople.
