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.
Rule of Three Calculator by Saran Dumronggittigule


15+ similar apps compared and reviewed
Crossword Quick Solver is great, but it's not the only option. Explore 15+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.


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.



This app provides comprehensive mobile services for campus cards, including traditional card functions like consumption and authentication, enhanced with QR code capabilities. It offers features for managing your campus card, paying various campus fees, and booking campus facilities.






Easily determine the capacity of structural steel beams and columns. Get detailed calculation sheets to verify your work, designed according to AISC 360-16 standards. Features intuitive touch-based interaction and built-in material databases.




This app assists with crossword puzzles and anagrams. It offers advanced search capabilities for missing letters, letter rearrangements, and pattern matching. A built-in thesaurus helps refine results by meaning.


This utility helps you win word games by finding the highest-scoring words and solutions to scrambled letters. Simply upload a screenshot from your game to get instant tips and unlock puzzles. It's designed to give you a competitive edge and help you pass through matches quickly.


This app helps you win at word games by finding the best possible words. Simply take a screenshot of your game board, and the app will instantly suggest high-scoring words. It supports various game modes and offers accurate, up-to-date word lists.


Instantly verify word validity for popular word games. Displays words as game-style tiles with point values, offering instant feedback with sounds and haptics. Works offline and is designed for quick lookups during fast-paced play.