249+ iOS apps curated and reviewed
With an average user rating of 4.3★, the proportion calc 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 |  | Free | 5.0★ (4) | Yes | No | Jul 2026 | |
| 2 |  | Free | 4.7★ (16) | No | Yes | Oct 2026 | |
| 3 |  | Free | 2.0★ (2) | No | No | May 2026 | |
| 4 |  | Free | 4.5★ (146K) | Yes | Yes | Oct 2026 | |
| 5 |  | Free | 4.2★ (1.4K) | No | No | Oct 2026 | |
| 6 |  | Free | 3.0★ (2) | Yes | No | Sep 2026 | |
| 7 |  | Free | — | No | Yes | May 2026 | |
| 8 |  | Free | 4.6★ (10K) | Yes | Yes | Oct 2026 |
Easily solve proportion problems with a simple and intuitive interface. This app uses the cross product method for quick and accurate calculations across various fields like finance and science. It's available offline and free to use.
Easily solve proportion problems by entering three of the four variables. This app provides detailed step-by-step solutions and saves all your calculations in a history for later review. Fractions, decimals, and constants are supported.
This app helps you find the unknown value in proportions by showing step-by-step calculations. It's useful for various applications, from cooking to science, and offers a simple, fast, and visually appealing way to solve proportion problems.
