Rule-Of-Three Calculator Android

Rule-Of-Three Calculator

Proportion Calculator - direct and indirect proportions. Ad-free.
Rule-Of-Three CalculatorRule-Of-Three CalculatorRule-Of-Three CalculatorRule-Of-Three CalculatorRule-Of-Three CalculatorRule-Of-Three Calculator

Features & Capabilities

The Rule-Of-Three Calculator is part of the mbar School Tools series, designed to help students and professionals effortlessly calculate proportions using the classic rule of three. By entering three known values, the tool quickly computes the missing fourth value, whether it involves direct or indirect proportions.

Version 2.0 introduces a powerful feature that displays the detailed formula after each calculation, enhancing your understanding and learning experience. The app also keeps a history of all your calculations for easy review and management. With a clean, ad-free interface and support for Dark Mode, this extension is both user-friendly and visually adaptable. Perfect for educational and professional use, the Rule-Of-Three Calculator requires no special permissions and is free to use.

User Growth & Download Statistics

App Education Developer Tools
By:
mbar Software
Downloads:
45,426 4
Rating:
4.90
(291) 1 new ratings
Version:
2.2.934 Last updated: 2021-05-13
Version code:
934
Creation date:
2016-05-13
Publisher country:
AT AT
Permissions:
  • android.permission.ACCESS_WIFI_STATE Low risk
  • android.permission.INTERNET Low risk
  • android.permission.WAKE_LOCK Low risk
  • android.permission.ACCESS_NETWORK_STATE Safe
  • android.permission.VIBRATE Safe
Size:
1.70MB
Email:
mb*****@gmail.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Google Play Store
Data ingested on:
2026-07-02
Compare stats and ranking:

Ranking

# 302,500 ▼ 784
Other rankings
#8 in rule keyword 8 ▼ 2

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.
Developed by:
mbar Software
Google Play Store
https://play.google.com/store/apps/details?id=mbar.propcalc
Email:
mb*****@gmail.com
Website:
https://sites.google.com/view/mbarsoftware

User Reviews

Users appreciate the Rule-Of-Three Calculator for its simplicity, usability, and ad-free experience. It is valued for practical, quick, and accurate proportion calculations both at work and home. Some users suggest adding features like percentage increase calculations and detailed solution steps to improve functionality.
Pros
  • Simple and easy to use
  • Very useful and practical for quick calculations
  • No advertisements, small app size
  • User-friendly interface
  • Features like history function and options for comparing items
Cons
  • Lacks percentage increase feature desired by some users
  • Does not provide full solutions or explanations for calculations (direct and inverse proportions)
Recent reviews
Works when I need it to.
by Ge*****, 2024-09-01
Best proportion calculator ever! Small app, no ads, easy to use. Siple and it works! 5+ stars
by Ni*****, 2024-01-27
View all user reviews ›

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