61+ iOS apps curated and reviewed
Out of 61+ direct proportion apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 | |
| 2 |  | Free | 3.0★ (2) | Yes | No | Sep 2026 | |
| 3 |  | Free | 4.7★ (16) | No | Yes | Oct 2026 | |
| 4 |  | Free | 3.3★ (12) | No | Yes | Jul 2026 | |
| 5 |  | Free | 2.0★ (2) | No | No | May 2026 | |
| 6 |  | Free | — | Yes | No | May 2026 | |
| 7 |  | $4.99 | — | No | No | Sep 2026 | |
| 8 |  | Free | 3.3★ (4) | No | No | Sep 2026 |
This app provides step-by-step solutions for mathematical proportions. It's designed for students and math enthusiasts to learn, practice, and simplify calculations with an intuitive interface and theoretical resources.
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.
