CrossMath vs Petdoku!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
CrossMath
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Ready to put your math skills and deductive logic to the ultimate test? Welcome to CrossMath: DogDoku Puzzle – the premier math crossword puzzle game designed to sharpen your mental arithmetic, boost problem-solving speed, and deliver satisfying brain workouts every single day! MASTER THE ART OF CROSSMATH CrossMath takes classic crossword grids and supercharges them with numbers and math operations. Instead of reading word clues, every row and column forms an interlocking math equation. • Balance the Equations: Use addition, subtraction, multiplication, and division to complete each line. • Follow Order of Operations: Keep BODMAS/PEMDAS rules in mind—multiplication and division always calculate first! • Crossword Intersections: Every number you place impacts both horizontal and vertical equations simultaneously. • Deduce, Don't Guess: Work through the board step by step with pure logic and strategic planning. DOGDOKU MODE Want a fun change of pace between math sessions? Jump right into DogDoku whenever you want—fully unlocked and available from day one! • Spatial Deduction Fun: A delightful fusion of Sudoku and grid-based logic. • Place the Puppies: Figure out where each cute dog belongs across distinct colored sectors. • Keep Personal Space: Ensure dogs never touch each other—not even diagonally! • Switch Seamlessly: Alternate between numbers and puppies with just one tap on the home screen. KEY HIGHLIGHTS • Comprehensive Mental Workout: Strengthen calculation speed, focus, and logical reasoning with every grid. • Multiple Difficulty Tiers: Start on Easy to warm up, then conquer Medium, Hard, and Expert boards built for calculation masters. • Daily Challenges: Fresh math puzzles every day to maintain your streak and keep your brain sharp. • Clean & Minimalist Design: Clutter-free interface built for fast, smooth, and distraction-free tap-and-play input. • Pure Focus, No Timers: Relax and play entirely at your own pace without ticking clocks or sudden game-overs. Train your brain, conquer the equations, and enjoy cozy logic puzzles! Download CrossMath: DogDoku Puzzle today and experience the ultimate math crossword challenge!
Petdoku!
A logic puzzle game that combines Sudoku and Minesweeper mechanics. Players place adorable pets in exclusive territories, adhering to rules about rows, columns, and diagonal proximity. Offers daily challenges and customizable pet themes for a relaxing yet mentally stimulating experience.
- Exclusive pet territory placement
- Sudoku and Star Battle logic
- Customizable pet companion skins
- Offline play
- Daily brain teaser challenges
- Adjustable grid sizes up to 12x12
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Petdoku: Cozy Brain Puzzles About this game Looking for a game that soothes your soul while keeping your brain spinning? Welcome to Petdoku - a cozy, pure logic puzzle game that flawlessly blends the rigorous reasoning of Sudoku with the thrilling deduction of Minesweeper and Star Battle! Here, you have only one mission: find the perfect exclusive territory for your adorable little pet companions! One Game, Three Times the Cuteness! Why settle for just one pet when you can have three? In Petdoku, you can customize your puzzle experience anytime. Choose your favorite companion skin to match your mood: - Cozy Kittens: For the fans of aloof, fluffy cats. - Playful Puppies: For those who love loyal, energetic dogs. - Cheeky Hamster: For lovers of tiny, pocket-sized cuteness. Swap your pet theme seamlessly whenever you want a fresh vibe! Simple Rules, Deep Strategy The concept is elegant, intuitive, and beautifully designed, yet anything but simple: - Exclusive Territory: The board is divided into colorful, whimsical regions. You must place exactly one pet in each region. - The Cozy Rule: Pets need their personal space! They absolutely cannot share the same row, column, or touch each other - not even diagonally. - Risk and Reward: Tap once to clear the cells, and double-tap to place your pet. You only have limited chances to make a mistake (hearts). Guessing won't save you; every single move must be solved through pure, satisfying deduction! Key Features Pure and Immersive Flow - Non-Intrusive Experience: Enjoy a completely focused, Zen-like flow state with minimal interruptions. - Play Offline Anytime: No internet required. Perfectly fills up the puzzle-shaped hole in your daily commute, relaxing coffee breaks, or cozy nights in. Daily Brain Teasers and Growth - Daily Challenges: Wake up your mind with brand-new puzzles every single day. - From Cozy to Expert: Start with friendly small grids, then grow your skills into satisfying larger challenges up to 12x12. Why Petdoku Will Stay on Your Phone Petdoku doesn't hijack your attention with tedious daily grinds - it earns your love through pure gameplay quality. With its minimalist, cute aesthetic and satisfying tactile feedback, it takes just seconds to learn. Yet, long after you put your phone down, its elegant logic loop and adorable pet animations will keep lingering in your mind. Ready for a brain-teasing puzzle adventure filled with your favorite animals? Download Petdoku now, choose your perfect furry partner, and become the ultimate pet puzzle master!
Screenshots
Verdict
The clearest difference is iOS requirement: Petdoku! at 15.0 against CrossMath's 17.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | CrossMath | Petdoku! |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (23 ratings) — better |
| Number of ratings | — | 23 — better |
| Update frequency | Weekly | Weekly |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 146 MB | 295 MB |
| Age rating | 4+ | 4+ |
| Developer | Luong Phuc Thien | DOUBLE8 |
In-app purchases
CrossMath
No in-app purchases
Petdoku!
No in-app purchases






