Comparison

Bubble Sort Merge vs CatBlock

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

Head to head
About

Bubble Sort Merge

Features
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Look closely at the pictures, discover their hidden connections, and drag related items together to merge! Bubble Sort Merge is a casual association puzzle built around observation and creative thinking. Each level contains a variety of pictures that may look different but share a category, purpose, characteristic, or another underlying idea. Study every element and consider why certain pictures belong together. Once you discover the correct connection, drag the related items together, complete the merge, and work toward the level objective. Some relationships are easy to recognize, while others invite you to think from a different perspective. As you progress, new pictures and new types of connections create fresh challenges. Game features: • Discover hidden connections between pictures • Drag related elements together to merge • Explore relationships based on categories, uses, traits, and ideas • Enjoy a wide variety of charming illustrations • Combine simple controls with association puzzles • Complete objectives and unlock new levels Observe, connect, and experiment to uncover the relationship behind each group!

About

CatBlock

Engage your mind with a relaxing logic puzzle game featuring shape-filling mechanics and adorable cats. Solve thousands of handcrafted levels using observation and deduction, with no timers or pressure.

Highlights
  • Shape-filling logic puzzles
  • Thousands of handcrafted levels
  • Adorable cat theme
  • Offline play supported
  • No timers or pressure
  • Hint system available
Features
Read full description

Looking for a relaxing puzzle game that challenges your logic and keeps your mind sharp? CatBlock: Block Out Puzzle is a fresh take on the classic logic puzzle experience. Inspired by relaxing brain games like Meowdoku, it combines shape-filling mechanics, logical deduction, and satisfying puzzle-solving into one addictive adventure. Every level presents a unique challenge. Carefully observe the board, analyze the clues, place each item in the correct position, and complete every shape. Every puzzle has one logical solution waiting to be discovered. Simple enough for anyone to learn, yet challenging enough for experienced puzzle lovers, CatBlock delivers a relaxing brain-training experience with adorable cats, clever mechanics, and thousands of handcrafted levels. Whether you enjoy logic puzzles, shape puzzles, block puzzles, grid puzzles, brain teasers, Sudoku-inspired games, or other relaxing puzzle games, CatBlock offers hours of rewarding gameplay. How to Play • Study the puzzle board carefully • Follow each level’s unique rules • Place every item in its correct position • Complete all required shapes • Use logic and deduction to solve every puzzle • Unlock new challenges as you progress Every level is carefully designed with a logical solution. Observation, reasoning, and strategic thinking are the keys to success. Game Features • Relax with an adorable cat-themed puzzle adventure • Enjoy unique shape-filling and block logic gameplay • Train your brain with satisfying logic puzzles • Solve thousands of handcrafted levels • Use helpful hints whenever you need assistance • Discover new mechanics, obstacles, and puzzle challenges • Clean visuals with a relaxing and comfortable atmosphere • Play anytime, anywhere — online or offline Why You’ll Love CatBlock CatBlock is more than a traditional block puzzle game. Instead of simply placing blocks, every level requires observation, logical reasoning, and careful planning. As you progress, you’ll encounter increasingly creative layouts, fresh mechanics, and more challenging puzzle designs that continually test your problem-solving skills. Designed for both casual players and puzzle enthusiasts, CatBlock offers the perfect balance between relaxation and mental challenge. No timers. No pressure. No complicated controls. Just satisfying puzzle-solving at your own pace. Perfect For Fans Of • Logic Puzzle Games • Shape Puzzle Games • Block Puzzle Games • Grid Puzzle Games • Brain Training Games • Pattern Recognition Puzzles • Sudoku-Inspired Logic Games • Relaxing Casual Games • Offline Puzzle Games • Cute Cat Puzzle Games If you enjoy games like Meowdoku, shape puzzles, logic games, and relaxing brain teasers, CatBlock is the perfect adventure for you. Download CatBlock: Block Out Puzzle today and discover a relaxing world filled with clever logic puzzles, satisfying solutions, adorable cats, and endless brain-training fun!

Screenshots

Bubble Sort Merge4 screens
CatBlock4 screens

Verdict

The call

Bubble Sort Merge and CatBlock are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

UpkeepUpdate frequency

Bubble Sort Merge ships an update every 10 days, CatBlock every 3 weeks. Both last shipped on October 31, 2026.

ScorecardNo meaningful differences
Bubble Sort Merge versus CatBlock: the parameters behind the verdict, then further details
ParameterBubble Sort MergeCatBlock
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size396 MB200 MB
Age rating17+17+
DeveloperMETA KINGDOM LIMITEDChengdu Infinite Seek Technology Co., Ltd

In-app purchases

None

Bubble Sort Merge

No in-app purchases

None

CatBlock

No in-app purchases

Questions

Is Bubble Sort Merge free?
Bubble Sort Merge is free to download, with no in-app purchases.
Is CatBlock free?
CatBlock is free to download, with no in-app purchases.
Do Bubble Sort Merge or CatBlock have ads?
Both Bubble Sort Merge and CatBlock show ads.
Which is updated more often, Bubble Sort Merge or CatBlock?
Bubble Sort Merge ships an update every 10 days, and CatBlock every 3 weeks. Most recently, Bubble Sort Merge was updated on October 31, 2026 and CatBlock on October 31, 2026.

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