Best Proportion Apps

Proportions App

by Paolo Montalto

Free

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.

Proportion_Calculator

Proportion Calculator

Free

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.

Proportion Solver

Step-by-Step Math Solutions

Free

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.

Mathematical Imagery Trainer

Proportion Imagery Trainer

Free

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.

Rule of Proportion PRO

With solution steps

$1.99

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.

Heads Tall – Your Body Ratio

What's your body ratio?

Free

This app calculates your body ratio based on a single photo, telling you how many "heads tall" you are. It offers a fun way to measure yourself and share results with friends, with all analysis performed on your device for complete privacy.

Drawing Proportions

Light table sketch compare

Free

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.

Proportional Scale

Correctly Resize Dimensions

$1.99

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.

Rule of Three Calculator

by Saran Dumronggittigule

Free

This utility app helps you solve problems involving ratios and proportions. It calculates an unknown number based on the relationship between two other known numbers.