# Four Colours vs SQL Programming Pro

The clearest difference is rating: Four Colours at 5.0 against SQL Programming Pro's 4.0. Four Colours also leads on price ($1.99 vs $4.99) and iOS requirement (12.0 vs 16.0). SQL Programming Pro's advantage is update cadence (every 3 months 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 SQL Programming 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, SQL Programming Pro every 3 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Four Colours | SQL Programming 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/sql-programming-pro/id6739415863/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 15 MB | 12 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


### SQL Programming Pro

[App page](https://appshunter.io/ios/app/sql-programming-pro/id6739415863)

Master SQL and database concepts with this beginner-friendly app. It offers step-by-step tutorials for MySQL, PostgreSQL, MSSQL, and Oracle, along with interactive quizzes to reinforce learning.

**Highlights:** Step-by-step SQL tutorials, Supports MySQL, PostgreSQL, MSSQL, Oracle, Interactive quizzes, Beginner-friendly, Save favorite topics, Multilingual support

**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 SQL Programming Pro free?

SQL Programming Pro costs $4.99, with no in-app purchases.

### Which has better reviews, Four Colours or SQL Programming Pro?

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

### Do Four Colours or SQL Programming Pro have ads?

Neither Four Colours nor SQL Programming Pro shows ads.

### Which is updated more often, Four Colours or SQL Programming Pro?

Four Colours ships an update every 42 months, and SQL Programming Pro every 3 months. Most recently, Four Colours was updated on October 8, 2026 and SQL Programming Pro on October 5, 2026.

---

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