Only One vs 4 COLOURS
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Only One
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.
- Minimalist logic puzzles
- Unique solutions per level
- Theme based on the number one
- Variety of fun puzzles
- In-game hints after 45 seconds
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Let there be one! Only One is a minimal logic puzzle game where each level has it's own logic to be solved. Every level's solution has to do with something related to the number 1. One color? One piece? or even the number one itself. Just let it be one. Explore a variety of fun puzzles. And if in any case you get stuck on a level after 45 seconds a hint icon would be available to provide you with some help. Can you make it Only One?
4 COLOURS
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.
- Color globe with adjacent color rule
- Six unique puzzle modes
- Classic mode
- Relaxed coloring mode
- No ads or in-app purchases
- 100 challenging globes
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Colour the "globe" and respect one basic rule: neighbouring areas should have different colours. There are 100 globes and you can puzzle with each globe in 6 different ways: CLASSIC: Just keep the colours apart. SHARP: Like CLASSIC but you need to sharpen your brain TOGETHER: My name is App. Let's colour together TACTICS; A bit tricky, but you'll figure it out GREEN: The colour green is gone. Now what? RELAX: Just push 4 times, and let me do most of the work No ads, no in-app-purchases, just an honest original puzzle game. Good luck and enjoy.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Only One | 4 COLOURS |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 39 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 65 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Kofi Austin | Marcelo Pars |
Customer experience
Only One
4 COLOURS
In-app purchases
Only One
No in-app purchases
4 COLOURS
No in-app purchases
