# Four Colours vs Learn Linux Pro

The clearest difference is rating: Four Colours at 5.0 against Learn Linux Pro's 4.0. Four Colours also leads on price ($1.99 vs $4.99) and iOS requirement (12.0 vs 17.0). Learn Linux Pro's advantage is update cadence (every 6 weeks vs every 42 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

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

Four Colours holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Four Colours ships an update every 42 months, Learn Linux Pro every 6 weeks. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Four Colours | Learn Linux Pro |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/four-colours/id644215345/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/learn-linux-pro/id6747137283/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 6 weeks** |
| Monetization | Paid | Paid |
| Size | 15 MB | 15 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| 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


### Learn Linux Pro

[App page](https://appshunter.io/ios/app/learn-linux-pro/id6747137283)

Master Linux commands and system administration through structured tutorials and interactive quizzes. This app guides users from beginner to advanced levels, covering fundamentals, file systems, networking, and more. Study in your native language with offline access and a distraction-free interface.

**Highlights:** Master Linux commands, System administration tutorials, Beginner to advanced curriculum, Interactive quiz questions, Offline learning support, Multi-language support, Dark/light theme options

**Features:** 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 Learn Linux Pro free?

Learn Linux Pro costs $4.99, with no in-app purchases.

### Which has better reviews, Four Colours or Learn Linux Pro?

Four Colours is rated higher. Four Colours averages 5.0 out of 5 from 1 ratings, while Learn Linux Pro averages 4.0 from 1 ratings.

### Do Four Colours or Learn Linux Pro have ads?

Neither Four Colours nor Learn Linux Pro shows ads.

### Which is updated more often, Four Colours or Learn Linux Pro?

Four Colours ships an update every 42 months, and Learn Linux Pro every 6 weeks. Most recently, Four Colours was updated on October 8, 2026 and Learn Linux 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.*