Comparison

Cat Sudoku vs Stack Merge Mobile

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Cat Sudoku

Engage in a relaxing brain game that combines logic puzzles with a charming cat theme. Use pure deduction to place cats correctly in grid-based challenges, offering a calming yet stimulating experience.

Highlights
  • Sudoku-inspired logic gameplay
  • Relaxing cat-themed design
  • Pure logic puzzles
  • Hundreds of handcrafted levels
  • Offline play supported
  • No timers or pressure
Features
Read full description

Love logic puzzles? You’ll enjoy Cat Sudoku: Logic Puzzle! Cat Sudoku: Logic Puzzle is a relaxing brain game inspired by Sudoku-style logic, combining adorable cats, logic grid challenges, and logical deduction into a calm and satisfying puzzle experience. If you enjoy Meowdoku-style logic puzzles, brain teasers, and Sudoku-inspired challenges, you’ll feel right at home. Every level is carefully designed to reward logical thinking, not guessing. Each puzzle challenges your ability to eliminate possibilities, recognize patterns, and place cats in the correct positions using pure logic. Every puzzle has one logical solution, creating a rewarding experience for beginners and experienced puzzle lovers alike. Designed for players who enjoy relaxing brain games, logic puzzles, and puzzle games for adults, Cat Sudoku helps improve focus, reasoning, and pattern recognition at your own pace. WHY PLAY CAT SUDOKU? Cat Sudoku offers a relaxing alternative to traditional Sudoku while keeping the same satisfying logical deduction. Whether you’re solving a quick puzzle during a break or enjoying a longer session, you’ll discover 5000+ handcrafted logic puzzles designed to sharpen your brain without adding pressure. Perfect for fans of logic puzzles, brain games, logic grid puzzles, killer sudoku, find the cat games, and relaxing puzzle adventures. Eye-Friendly Mode helps reduce visual strain during extended play sessions, while Color-Friendly Mode improves color distinction, making puzzles more comfortable and accessible for more players. KEY FEATURES • 5000+ handcrafted puzzle levels • Sudoku-inspired logic grid gameplay • Pure logic puzzles with no math required • No guessing—every puzzle has one logical solution • Relaxing cat-themed brain game • Progressive difficulty for beginners and experts • Offline play supported • No timers, no pressure, no stress • Eye-Friendly Mode for comfortable long play sessions • Color-Friendly Mode with enhanced color distinction • Improved accessibility and visibility • Clean and minimal visual style HOW TO PLAY The rules are easy to learn, while every puzzle becomes more rewarding as your skills improve. • Each row must contain exactly one cat • Each column must contain exactly one cat • Each colored region must contain exactly one cat • Cats cannot touch each other, even diagonally Use logic to eliminate impossible tiles, mark uncertain spaces, and narrow down the correct solution step by step. Every puzzle is designed around logical deduction, so there’s never any guessing required. DOWNLOAD NOW Download Cat Sudoku: Logic Puzzle today and enjoy thousands of relaxing logic puzzles, clever cat games, satisfying brain teasers, and rewarding offline puzzle adventures. Train your brain, improve your reasoning skills, and experience a fresh take on Sudoku-inspired puzzle solving. Privacy Policy: https://infseekstudio.com/privacy Terms of Use: https://infseekstudio.com/eula

About

Stack Merge Mobile

A satisfying puzzle game where players efficiently pack blocks to create higher numbers and earn gold. Compete for high scores on the leaderboard and enjoy a relaxing experience that can be paused and resumed anytime.

Highlights
  • Block stacking puzzle gameplay
  • High score competition
  • Leaderboard rankings
  • In-game item usage
  • Pause and resume functionality
  • Relaxing time-passing activity
Features
Read full description

Stack Merge is a satisfying puzzle game where every move matters. Efficiently pack an endless queue of blocks without running out of space. The more you stack, the higher your score. Compete for rank on the leaderboard! Use items to your advantage as you create higher numbers and earn more gold. Stack Merge is a great way to pass time; pause and resume whenever you'd like with no limitations!

Screenshots

Cat Sudoku4 screens
Stack Merge Mobile3 screens

Verdict

The call

The clearest difference is review sentiment: Stack Merge Mobile at 100% against Cat Sudoku's 50%. Stack Merge Mobile also leads on ads (none vs shown) and rating (5.0 vs 4.7). Cat Sudoku's advantage is ratings volume (79 vs 9). On price, update cadence, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Stack Merge Mobile holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Cat Sudoku has 79 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 50% of Cat Sudoku's written reviews are positive against 100% of Stack Merge Mobile's.

UpkeepUpdate frequency

Cat Sudoku ships an update every 10 days, Stack Merge Mobile fortnightly. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

Scorecard5 real differences · 5 level
Cat Sudoku versus Stack Merge Mobile: the parameters behind the verdict, then further details
ParameterCat SudokuStack Merge Mobile
PriceFreeFree
Rating4.7 (79 ratings)5.0 (9 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings79 — better9
Update frequencyEvery 10 days — betterFortnightly
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size217 MB76 MB
Age rating17+4+
DeveloperChengdu Infinite Seek Technology Co., LtdAlec Richard Pickup

Customer experience

Cat Sudoku

All ratings55 ratings
Positive96.4%
Neutral0.0%
Negative3.6%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Stack Merge Mobile

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Cat Sudoku

No in-app purchases

None

Stack Merge Mobile

No in-app purchases

Questions

Is Cat Sudoku free?
Cat Sudoku is free to download, with no in-app purchases.
Is Stack Merge Mobile free?
Stack Merge Mobile is free to download, with no in-app purchases.
Which has better reviews, Cat Sudoku or Stack Merge Mobile?
Stack Merge Mobile is rated higher. Cat Sudoku averages 4.7 out of 5 from 79 ratings, while Stack Merge Mobile averages 5.0 from 9 ratings.
Do Cat Sudoku or Stack Merge Mobile have ads?
Cat Sudoku shows ads; Stack Merge Mobile does not.
Which is updated more often, Cat Sudoku or Stack Merge Mobile?
Cat Sudoku ships an update every 10 days, and Stack Merge Mobile fortnightly. Most recently, Cat Sudoku was updated on October 24, 2026 and Stack Merge Mobile on October 20, 2026.

Other comparisons