# Only One vs 4 COLOURS

The clearest difference is price: 4 COLOURS at Free against Only One's $0.99. 4 COLOURS also leads on update cadence (every 3 months vs every 39 months). On rating, review sentiment, ratings volume and ads there is nothing between them.

4 COLOURS is free to download; Only One costs $0.99 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 Only One against 5.0 for 4 COLOURS. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Only One ships an update every 39 months, 4 COLOURS every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Only One | 4 COLOURS |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/only-one-a-logic-puzzle/id1619099640/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/4-colours/id6459510332/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 65 MB | 51 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kofi Austin](https://appshunter.io/developer/1495016623) | [Marcelo Pars](https://appshunter.io/developer/1209823528) |

## What reviewers say

### Only One

[App page](https://appshunter.io/ios/app/only-one-a-logic-puzzle/id1619099640)

This is a minimalist logic puzzle game where each level requires you to find a unique solution related to the number one. Explore diverse puzzles and receive hints if you get stuck for over 45 seconds.

**Highlights:** Minimalist logic puzzles, Unique solutions per level, Theme based on the number one, Variety of fun puzzles, In-game hints after 45 seconds

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

**In-app purchases:** none


### 4 COLOURS

[App page](https://appshunter.io/ios/app/4-colours/id6459510332)

A logic puzzle game where you color a globe, ensuring adjacent regions have different colors. It offers six distinct modes to challenge your thinking, from classic play to a relaxed experience.

**Highlights:** Color globe with adjacent color rule, Six unique puzzle modes, Classic mode, Relaxed coloring mode, No ads or in-app purchases, 100 challenging globes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Only One free?

Only One costs $0.99, with no in-app purchases.

### Is 4 COLOURS free?

4 COLOURS is free to download, with no in-app purchases.

### Which has better reviews, Only One or 4 COLOURS?

Only One and 4 COLOURS are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Only One or 4 COLOURS have ads?

Neither Only One nor 4 COLOURS shows ads.

### Which is updated more often, Only One or 4 COLOURS?

Only One ships an update every 39 months, and 4 COLOURS every 3 months. Most recently, Only One was updated on November 3, 2026 and 4 COLOURS on November 3, 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.*