Instantly solve any quadrilateral with this comprehensive calculator. Features multiple input modes, detailed calculations, and live visualization. Ideal for students, engineers, and geometry enthusiasts.






249+ iOS apps curated and reviewed
With an average user rating of 4.4★, the quadrilateral calculator category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $2.99 | 5.0★ (1) | No | No | Oct 2026 | ||
| 2 | Free | 2.4★ (5) | No | Yes | May 2026 | ||
| 3 | Free | 4.6★ (10K) | Yes | Yes | Nov 2026 | ||
| 4 | Free | 4.9★ (34K) | Yes | Yes | Nov 2026 | ||
| 5 | Free | 4.7★ (61K) | No | No | Nov 2026 | ||
| 6 | Free | 4.5★ (147K) | Yes | Yes | Nov 2026 | ||
| 7 | Free | 4.5★ (126K) | Yes | Yes | Nov 2026 | ||
| 8 | Free | 3.5★ (2) | Yes | No | Oct 2026 |






Instantly solve any quadrilateral with this comprehensive calculator. Features multiple input modes, detailed calculations, and live visualization. Ideal for students, engineers, and geometry enthusiasts.




Easily calculate the area of various geometric shapes by inputting their dimensions. The app also facilitates unit conversions between millimeters, centimeters, meters, inches, feet, and yards.






This app offers a free basic and scientific calculator with an elegant interface. Upgrade for advanced features like graphing, equation solving, and unit conversions. Supports fractions, percentages, and multiple themes.