Best Regra de 3 Pro alternatives: apps like Regra de 3 Pro

6+ similar apps compared and reviewed

4.8 avg rating

5 free apps

Updated October 2026

Luigi Piccoli

Looking for something like Regra de 3 Pro? We've analyzed 6+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Regra de 3 Pro

Regla de tres by Edwin Mejia

Rule of Three

Editor's Choice

🔧 Utilities

0.0(0 ratings)

FreeAds

SNTPV by I & B Tecnologia LTDA

Strong Contender

🔧 Utilities

0.0(0 ratings)

Free

Sound Shield WATCH by HOBEEC

High-frequency mosquito sound

Worth Considering

🔧 Utilities

4.5(2 ratings)

$4.99

This app emits high-frequency sounds to deter mosquitoes. It's designed to be a convenient insect repellent, though some younger users may be able to hear the frequencies.

More apps like Regra de 3 Pro

Recipe Scaler & Rule of Three

Direct proportion

Free

Instantly calculate proportions and simplify everyday math problems with this app. It features a recipe scaler to adjust ingredients and a rule of three calculator for quick, accurate solutions. An intuitive Q&A tool also helps solve homework-style questions.

Recipe scalingRule of three calculationQ&A problem solver

🔧 Utilities

(0)

ad-supported

Compare with Regra de 3 Pro

MOOPE

by June Rodrigues

Free

This app allows existing MOOPE tracking service clients to monitor devices in real-time. Users can receive notifications and alerts related to the tracked device's location.

Real-time device trackingReceive notifications and alertsMonitor tracked devices

🔧 Utilities

(0)

free

Compare with Regra de 3 Pro

Rule of Three Easy

Calculate cross-multiplication

Free

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.

Rule of three calculationsCross-multiplication solverRecipe ingredient adjustment

🔧 Utilities

(1)

ad-supported

Compare with Regra de 3 Pro