248+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our quadratic formula calculator list covers 248+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (71) | Yes | Yes | May 2026 | |
| 2 |  | Free | 4.6★ (10K) | Yes | Yes | Sep 2026 | |
| 3 |  | Free | 4.6★ (36K) | Yes | Yes | Sep 2026 | |
| 4 |  | Free | — | Yes | No | May 2026 | |
| 5 |  | Free | 4.6★ (333) | No | Yes | Sep 2026 | |
| 6 |  | $0.99 | — | No | No | May 2026 | |
| 7 |  | Free | — | Yes | Yes | Jun 2026 | |
| 8 |  | $5.99 | 4.7★ (6.3K) | No | Yes | Sep 2026 |
This app simplifies solving quadratic equations by allowing users to input coefficients a, b, and c. It quickly displays the solutions for x, including support for imaginary numbers. Users can also switch between light and dark themes for a personalized experience.
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 multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.
