TriZen HD Gold vs Catdoku
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
TriZen HD Gold
Engage in a relaxing and challenging puzzle game where you fit geometric pieces into a shaded area. With over 500 puzzles, this app offers a long-lasting mental escape. It's a free, ad-supported version of a paid game, including all its puzzles.
- Over 500 puzzles
- Tangram-style gameplay
- Piece fitting challenges
- Puzzle completion recognition
- Free access to all puzzles
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Find your Zen, with this peaceful, yet challenging, puzzle game. With over 500 puzzles, TriZen HD will ease your mind for a very long time, for FREE! Choose a puzzle to solve, and try to fit all the game pieces within the shaded puzzle area without overlapping. TriZen HD will recognize when the puzzle is finished. TriZen HD Gold is the free, ad supported, version of TriZen HD. It includes all the puzzles from the paid version of the game, for FREE!
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!
Screenshots
Verdict
The clearest difference is price: TriZen HD Gold at Free against Catdoku's $1.99. TriZen HD Gold also leads on ratings volume (84 vs 1) and iOS requirement (10.0 vs 16.6). Catdoku's advantage is in-app purchases (none vs 3) and rating (5.0 vs 4.6). On review sentiment, 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
TriZen HD Gold is free to download; Catdoku costs $1.99 up front. TriZen HD Gold sells 3 one-off in-app purchases. Catdoku asks for nothing beyond the download.
Catdoku holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: TriZen HD Gold has 84 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 99% of TriZen HD Gold's written reviews are positive against 100% of Catdoku's.
TriZen HD Gold ships an update every 2 months, Catdoku every 3 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.
| Parameter | TriZen HD Gold | Catdoku |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.6 (84 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 98.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 84 — better | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | — | #198 — better |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 10.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 37 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Little White Bear Studios, LLC | Sergio Marin |
Customer experience
TriZen HD Gold
Catdoku
Bugs and requests
TriZen HD Gold
Reported bugs
1 issue- Inappropriate adult content in advertisements
Requested features
3 requests- Sequel or extension (Tan Zen #2)
- More varied music tracks and tones
- Easier piece rotation mechanism
Catdoku
Not enough reviews yet to summarise bugs or requests.
In-app purchases
TriZen HD Gold
- 100 Hints$3.99
- 1,000 Hints$9.99
- Unlimited Hints$19.99
Catdoku
No in-app purchases
Questions
Is TriZen HD Gold free?
Is Catdoku free?
Which has better reviews, TriZen HD Gold or Catdoku?
Do TriZen HD Gold or Catdoku have ads?
Which is updated more often, TriZen HD Gold or Catdoku?
Other comparisons
