188+ iOS apps curated and reviewed
Looking for free proportion apps? 17 of our 188+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (4) | Yes | No | Jul 2026 |
| 2 |  | Free | 4.7★ (16) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.0★ (1) | — | No | May 2026 |
| 4 |  | Free | — | Yes | No | May 2026 |
| 5 |  | Free | 2.0★ (2) | No | No | May 2026 |
| 6 |  | Free | 3.0★ (2) | Yes | No | Jul 2026 |
| 7 |  | Free | 4.8★ (6) | No | No | Jul 2026 |
| 8 |  | Free | 5.0★ (3) | No | No | May 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 utility app quickly calculates unknown values in everyday ratios. It features a clean interface for easy setup and instant results, making it ideal for school, work, or daily tasks.
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.
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.
This tool helps artists draw and paint with accuracy by providing reference analysis and construction aids. It offers features like head construction overlays, proportion measurement, and color analysis to support traditional and digital art workflows.
This app uses interactive visual exercises to teach the concept of proportion. Developed with a mathematics education professor, it guides users from intuitive exploration to symbolic representation, making math meaningful through hands-on problem-solving.
Solve proportion problems with ease by entering three of the four variables. This app provides detailed solution steps and saves all calculations in its history. Share your final results and easily manage your calculation history.
This app helps artists identify and correct errors in their drawings by comparing them side-by-side with reference images. It offers tools to align images, add annotations, and apply measurement guides to ensure accurate proportions.
Easily calculate new image dimensions while preserving aspect ratio to avoid distortion. This tool helps graphic designers, photographers, and professionals accurately resize images for various needs, including blueprinting and sign making.
This tool converts between decimals and fractions, and also handles unit conversions for construction and metric measurements. It offers an intuitive interface for calculations and editing, with advanced features available through upgrades.
This app transforms your iPhone into a drawing canvas, offering a variety of brushes and stencils. It utilizes augmented reality to let you trace real-world images directly on your screen, making complex drawing accessible and portable.
This app simplifies personal finance by focusing on the 50/30/20 budget rule. It helps users track spending across needs, wants, and savings without detailed daily expense logging. Visualize financial standing with clear reports and build wealth.
