CoKu vs Ripple Chess
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
CoKu
A modern take on Sudoku, this puzzle game replaces numbers with colors. Solve challenges by ensuring no repeated colors in rows, columns, or blocks. Unlock tools and progress through various difficulty levels.
- Color-based Sudoku gameplay
- Daily Challenge mode
- Mini Game modes
- Draw Mode for custom boards
- Multiple difficulty levels
- Unlockable tools and bonuses
- Dark mode optimization
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Welcome to CoKu, where classic Sudoku meets color-based strategy in a clean, modern puzzle experience. This latest build adds Daily Challenge, new Mini Game modes for quick sessions, and Draw Mode so you can create your own colorful boards. It also includes smoother gameplay, UI polish, and performance improvements. Instead of numbers, CoKu uses colors. Complete every row, column, and block with no repeated color in any section. It is easy to learn, visually clear, and satisfying to master. As you play, you earn stars by completing puzzles and can earn time bonuses for faster solves. Use stars to unlock helpful tools and improve your performance over time. CoKu includes Easy, Medium, and Hard difficulty levels so you can choose a pace that fits your style, from relaxed practice to advanced challenge. The experience is designed to feel responsive and polished, with intuitive touch controls, haptic feedback, dynamic scoring, and progress tracking in a dark-mode-optimized interface.
Ripple Chess
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Every move creates ripple waves that push enemy pieces across the board.
Screenshots
Verdict
The clearest difference is in-app purchases: Ripple Chess at none against CoKu's 3. Ripple Chess also leads on iOS requirement (15.6 vs 17.6). On price, ads and device support 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
Both are free to download. CoKu sells 3 one-off in-app purchases. Ripple Chess asks for nothing beyond the download.
| Parameter | CoKu | Ripple Chess |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 7 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 15 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Frank J Guzzone | Chim Lam Chu |
In-app purchases
CoKu
- 500 Stars$0.99
- 2,500 Stars$2.99
- 5,000 Stars$4.99
Ripple Chess
No in-app purchases
