4Colors vs Kakuso Challenge
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
4Colors
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If you want to detach from your busy life, stress relief this colouring game might help you there. 4Colors is an addictive puzzle game, the goal of the game is to change the colour of the squares in order to build big square with four different colours, until entire screen is cleared. The object of the game is to do so in as few touches as possible. It has 4 unique levels, each level has 3 sub-levels. -In EASY level, the dropping square can be placed anywhere, it may overlap on the same or different squares. -In MEDIUM level, the dropping square can only be placed on the different colour squares or on free space, it cannot overlap on the same squares. -In HARD level, the dropping square can only be placed on the same colour squares or on free space, it cannot overlap on the different squares. -In GENIUS level, the dropping square can only be placed on free space, it cannot overlap on any colour squares. Double-tap or two Single-taps set down the square, long touch stops the game or a swipe up from the bottom of the screen brings up the control panel. With 4Spaces, 4Colors is the second game in Sage’s Leisure Series. They will give you the perfect Relaxation and Mindfulness you deserve!
Kakuso Challenge
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Attractive Layout, Amazing Graphics, Extraordinary Designed Board, Intuitive User Interface, Ease of Use. This is the more advance level board game that you should challenge like you never experience before. Unlimited puzzles with varied level of difficulty to fit your choice. 6x6, 8x8, 10x10, 10x12 You’ll never regret having this Kakuso Challenge, which is just perfectly challenge your mind, your logical thinking skill, your brain cells! Interrupted? Need a Break? Exit Kakuso Challenge and you’ll get to see your incomplete puzzle is saved and awaiting for your return. Stuck? Need some guide? Simply click on hints and you'll get an answer right away! Useful hints as aid, why not! Feature: - Auto Save Mode - Levels of Difficulty - Endless, Randomly Generated Puzzles - Game Timer - Pause/Resume Puzzle - Smart Hints How to play: The goal is to make some of the cells check in such a way that:
 1. Tap to fill the cells with Light Blue and Green squares.

 2. The check cells on each row and column to have equal number of Light Blue and Green squares. 3.1 Three(3) cells same color in row are not allowed for level 6 x 6 and 8 x 8. 3.2 Four(4) cells same color in row are not allowed for level 10 x 10 and 10 x 12 

 Tap to change cells color
Screenshots
Verdict
The clearest difference is price: Kakuso Challenge at Free against 4Colors's $0.99. Kakuso Challenge also leads on update cadence (every 6 months vs every 22 months). 4Colors's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement 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
Kakuso Challenge is free to download; 4Colors costs $0.99 up front. Kakuso Challenge sells 3 one-off in-app purchases. 4Colors asks for nothing beyond the download.
4Colors ships an update every 22 months, Kakuso Challenge every 6 months. The most recent releases landed on August 23, 2026 and June 5, 2026 respectively.
| Parameter | 4Colors | Kakuso Challenge |
|---|---|---|
| Price | $0.99 | Free — better |
| Update frequency | Every 22 months | Every 6 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.1 |
| Further details — not scored | ||
| Size | 12 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Liansheng Zhang | Alven Kam |
In-app purchases
4Colors
No in-app purchases
Kakuso Challenge
- Kakuso Challenge 20 Hints$0.99
- Kakuso Challenge 50 Hints$1.99
- Kakuso Challenge 100 Hints$2.99
Questions
Is 4Colors free?
Is Kakuso Challenge free?
Do 4Colors or Kakuso Challenge have ads?
Which is updated more often, 4Colors or Kakuso Challenge?
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