# Four Colours vs Linear Algebra Pro

The clearest difference is update cadence: Linear Algebra Pro at every 4 months against Four Colours's every 42 months. Four Colours's advantage is price ($1.99 vs $4.99) and iOS requirement (12.0 vs 16.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Four Colours costs $1.99 and Linear Algebra Pro $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Four Colours against 5.0 for Linear Algebra Pro. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Four Colours ships an update every 42 months, Linear Algebra Pro every 4 months. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Four Colours | Linear Algebra Pro |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/four-colours/id644215345/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/linear-algebra-pro/id1669762569/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 15 MB | 8 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roman Koksharov](https://appshunter.io/developer/700716922) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Four Colours

[App page](https://appshunter.io/ios/app/four-colours/id644215345)

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.

**Highlights:** Four-color theorem demonstration, Interactive maps of 12 countries/regions, Geography study tool, Computer-aided science verification, Educational exploration

**Features:** macOS Compatibility

**In-app purchases:** none


### Linear Algebra Pro

[App page](https://appshunter.io/ios/app/linear-algebra-pro/id1669762569)

This app provides step-by-step calculations and detailed solutions for matrix and vector operations. It's designed for students and professionals needing to solve linear algebra problems quickly and understand the underlying math.

**Highlights:** Matrix operations (addition, subtraction, multiplication), Determinant calculations (Sarrus, Laplace methods), Vector operations (addition, subtraction, scalar/vector product), Step-by-step solutions with formulas, Theoretical overviews for concepts, Random number generator for practice problems

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Four Colours free?

Four Colours costs $1.99, with no in-app purchases.

### Is Linear Algebra Pro free?

Linear Algebra Pro costs $4.99, with no in-app purchases.

### Which has better reviews, Four Colours or Linear Algebra Pro?

Four Colours and Linear Algebra Pro are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Four Colours or Linear Algebra Pro have ads?

Neither Four Colours nor Linear Algebra Pro shows ads.

### Which is updated more often, Four Colours or Linear Algebra Pro?

Four Colours ships an update every 42 months, and Linear Algebra Pro every 4 months. Most recently, Four Colours was updated on October 8, 2026 and Linear Algebra Pro on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*