Easily calculate the Rule of Three for everyday numerical problems. This app also helps you compare different values, measures, weights, and volumes.
Regra de 3 - Oficial by Bruno Dias




142+ iOS apps & games curated and reviewed
Every iPhone needs a few good regra de 3 apps and games. We benchmark 142+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | — | No | Jul 2026 | |
| 2 | Free | 5.0★ (2) | No | Yes | May 2026 | |
| 3 | Free | — | — | No | May 2026 | |
| 4 | Free | 5.0★ (1) | Yes | No | May 2026 | |
| 5 | Free | 5.0★ (4) | Yes | No | Jul 2026 | |
| 6 | Free | — | Yes | No | May 2026 | |
| 7 | Free | 4.2★ (1.6K) | Yes | Yes | Jul 2026 | |
| 8 | Free | 4.7★ (401) | No | No | Jul 2026 |







Easily calculate the Rule of Three for everyday numerical problems. This app also helps you compare different values, measures, weights, and volumes.



This utility app simplifies calculations involving proportional quantities, commonly known as the rule of three or cross-multiplication. It helps solve everyday problems like adjusting recipe ingredients or calculating fuel consumption quickly and easily.


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.




Experience realistic cue sports with this offline billiards game. Play 3-cushion and 4-ball rules, challenge various stages, and compete with players worldwide. Upgrade your cue stick and aim for high scores.


Prepare for your driving license exam with a simulator that mimics the official test in Argentina. Review traffic signals and understand license classes. Practice with unlimited tests and detailed feedback.


This app offers a collection of free educational games designed for children. It helps kids learn numbers, colors, shapes, and develop coordination and memory through fun, intuitive gameplay.


Access live TV channels and on-demand content from Atresmedia, including series, movies, news, and documentaries. Enjoy personalized recommendations, HD streaming, and exclusive premium features.


This app helps you quickly solve for an unknown value in a proportion. Simply input three known numbers, and it will calculate the fourth, making ratio and proportion calculations effortless.






This game challenges you to name three things within a five-second time limit. It offers various themed decks and game modes for solo or group play, ensuring quick, laughter-filled rounds anywhere.


A captivating puzzle game where you clear connected blocks of the same color to achieve high scores and earn extra moves. Enjoy a relaxing, no-time-limit experience that's easy to learn but challenging to master.




Engage in real-time PvP battles with a vast collection of unique characters. Build your deck, strategize your attacks, and destroy the enemy bunker in various game modes. Join clubs, participate in contests, and connect with a passionate community.


An interactive and fun educational app designed to teach children about essential traffic signs and rules for both drivers and pedestrians. It covers a wide range of topics, from stop signs and crosswalks to traffic lights and emergency vehicles, making learning engaging.


Prepare for your driver's license written exam with realistic practice tests and a comprehensive guide to traffic signs. Study efficiently with category-based exercises and track your progress with detailed statistics.

