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






248+ iOS apps curated and reviewed
With an average user rating of 4.2★, the quadrilateral calculator category is one of the App Store's strongest. Browse all 248+ 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 | Jun 2026 | ||
| 2 | Free | 4.6★ (10K) | Yes | Yes | Oct 2026 | ||
| 3 | Free | 4.7★ (61K) | No | No | Oct 2026 | ||
| 4 | Free | 2.4★ (5) | No | Yes | May 2026 | ||
| 5 | Free | 4.9★ (34K) | Yes | Yes | Oct 2026 | ||
| 6 | Free | 4.5★ (126K) | Yes | Yes | Oct 2026 | ||
| 7 | Free | — | No | No | Oct 2026 | ||
| 8 | Free | 4.5★ (146K) | Yes | Yes | 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.

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.




This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.