About
Explore the mathematical concept of the four-color theorem with interactive maps of various countries and regions. This educational app allows you to test and understand how any map can be colored using only four colors, ensuring no adjacent areas share the same hue.
What's New in Four Colours
1.1.2
October 28, 2024
This update adds support for iOS 18.
Developer apps
FAQ
What is Four Colours about?
Four Colours demonstrates the four-color theorem, a mathematical concept proving that any map can be colored using only four colors such that no two adjacent regions share the same color. It allows users to explore this concept with various country maps.
What maps are included in Four Colours?
Four Colours includes interactive maps for the Commonwealth of Australia, Republic of Austria, French Republic, Federal Republic of Germany, United Mexican States, Republic of Poland, Portuguese Republic, Kingdom of Spain, Kingdom of Sweden, Swiss Confederation, United States of America, and United Kingdom of Great Britain and Northern Ireland.
How much does Four Colours cost?
Four Colours is a paid app, priced at $1.99. This one-time purchase grants you access to all its features and content.
What devices support Four Colours?
Four Colours is supported on iPhone, iPad, and iPod devices. It is designed to run on Apple's mobile operating system.
What is the age rating for Four Colours?
Four Colours has an age rating of 4+, making it suitable for young children and up. The content is generally considered safe and educational for this age group.
How often is Four Colours updated?
The latest version of Four Colours is 1.1.2, last updated on October 28, 2024. This indicates the app is actively maintained by the developer.
Does Four Colours have ads?
No, Four Colours does not contain advertisements. As a paid application, it offers an ad-free experience for users.
What is the user feedback on Four Colours?
Based on the available data, Four Colours has a perfect rating of 5.0 stars from one review. This suggests a highly positive initial user experience.
