CoKu vs CircleCapture
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.
CircleCapture
Draw circles to capture bouncing particles and survive. Avoid red particles while collecting green ones to increase time and score. Utilize special particles for strategic advantages across 20 challenging levels.
- Draw circles to capture particles
- Collect green particles for time/score
- Avoid red particles
- 20 progressive difficulty levels
- Special particle mechanics
- Achievement system
- High score tracking
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Circle Capture - Capture Particles & Survive! Draw circles to capture bouncing particles in this addictive casual game! Test your reflexes and strategy as you navigate through 20 increasingly challenging levels. HOW TO PLAY - Draw circles by dragging your finger on the screen - Capture green particles to add time and score points - Avoid red particles - they reduce your time and points - Survive as long as possible across 20 difficulty levels SPECIAL PARTICLES - Blue Thunder Particles - Eliminate other particles in lightning strikes - Purple Swap Particles - Transform green particles to red and vice versa - Orange Slowmo Particles - Activate time slowdown for strategic advantage ACHIEVEMENT SYSTEM Unlock 6 different achievement types with 4 levels each: - Particle Collector - Capture massive amounts of particles - Survivor - Survive for extended periods - Perfect Capture - Master precise green-only captures - Time Master - Use time slowdown strategically - Thunder Storm - Eliminate particles with thunder power - Flip Master - Master the art of particle transformation GAME FEATURES - Progressive Difficulty - 20 levels with increasing challenge - Dynamic Spawning - Particles spawn based on current level - Gravity Effects - Particles are pulled toward your capture circles - Visual Effects - Stunning capture animations and particle bursts - High Score Tracking - Compete against your best scores - Social Sharing - Share your achievements with friends - Tutorial System - Learn the basics quickly - Smooth Controls - Intuitive touch and drag mechanics COMPETITIVE GAMEPLAY - Beat your high scores - Unlock all achievement levels - Master the special particle mechanics - Challenge yourself across all 20 levels Perfect for quick gaming sessions or extended play! Whether you have 30 seconds or 30 minutes, Circle Capture offers engaging gameplay that keeps you coming back for more.
Screenshots
Verdict
The clearest difference is in-app purchases: CircleCapture at none against CoKu's 3. CircleCapture also leads on update cadence (every 5 days vs every 7 months) and ratings volume (11 vs 3). On price, rating, review sentiment 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
Both are free to download. CoKu sells 3 one-off in-app purchases. CircleCapture asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for CoKu against 5.0 for CircleCapture. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
CoKu ships an update every 7 months, CircleCapture every 5 days. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.
| Parameter | CoKu | CircleCapture |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (11 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 11 — better |
| Update frequency | Every 7 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Frank J Guzzone | Mario Iannotta |
Customer experience
CoKu
CircleCapture
In-app purchases
CoKu
- 500 Stars$0.99
- 2,500 Stars$2.99
- 5,000 Stars$4.99
CircleCapture
No in-app purchases









