Catdoku vs Image Brain
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Catdoku
This puzzle game reimagines Sudoku by replacing numbers with cute cats. It offers various grid sizes and daily challenges to keep players engaged. Enjoy a relaxing yet mentally stimulating experience with a feline twist.
- Cat-themed Sudoku gameplay
- Multiple grid sizes (4x4, 6x6, 9x9)
- Daily puzzle challenges
- Suitable for beginners and pros
- Relaxing and mentally stimulating
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Welcome to Catdoku, where sudoku meets adorable felines! Embark on a journey through our specially crafted sudoku game, designed for cat lovers and puzzle enthusiasts alike. - Unique Gameplay: Replace traditional numbers with charming cats to fill the grid. It's sudoku like you've never played before! - Variety of Levels: Whether you're a beginner or a seasoned pro, we have something for you. Choose from 4x4, 6x6, or 9x9 grids to match your skill level. - Daily Puzzles: Challenge yourself with a new puzzle every day. Keep your brain sharp and your problem-solving skills on point. Catdoku is more than just a game; it's a delightful way to relax, challenge your mind, and indulge in your love for cats and puzzles. Ready to test your logic in the cutest way possible? Download now and let the fun begin!
Image Brain
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Brain is the most complex and powerful human organ, however researcher findings repeatedly stated that most people could not fully utilise the maximum 100 percent of our brain function. Memorisation of substantial information greatly relates to knowledge and intelligence. Human ability to retain and recall huge volume of information at rapid speed is never a myth. Right brain is capable of bulk image visualisation especially in fast speed. Developing photographic memory with rapid flash cards is the most effective mnemonics for right brain. Image Brain provides photographic memory training program to boost Right Brain Photographic Memory in various ways.
Screenshots
Verdict
The clearest difference is update cadence: Catdoku at every 3 weeks against Image Brain's every 7 months. Catdoku also leads on chart position (#196 vs unranked) and price ($1.99 vs $2.99). Image Brain's advantage is iOS requirement (11.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Catdoku costs $1.99 and Image Brain $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Catdoku ships an update every 3 weeks, Image Brain every 7 months. Both last shipped on October 27, 2026.
| Parameter | Catdoku | Image Brain |
|---|---|---|
| Price | $1.99 โ better | $2.99 |
| Positive reviews | 100.0% of reviews | โ |
| Update frequency | Every 3 weeks โ better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | โ |
| Best chart rank | #196 โ better | โ |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 16.6 | 11.0 โ better |
| Further details โ not scored | ||
| Size | 55 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Sergio Marin | Hamster Force Multimedia Ltd. |
In-app purchases
Catdoku
No in-app purchases
Image Brain
No in-app purchases
Questions
Is Catdoku free?
Is Image Brain free?
Do Catdoku or Image Brain have ads?
Which is updated more often, Catdoku or Image Brain?
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