Bubble Sort Merge vs Kitty Pop
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Bubble Sort Merge
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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!
Kitty Pop
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Cute cats. Five slots. Think ahead! Kitty Pop: Cat Match Puzzle turns a crowd of floating cats into a game of smart little choices. Tap cats inside bubbles, gather three of the same kind in a matching bed and keep enough room for your next move. Find the trio. Free the space. A matching cat heads to an available bed. Three of a kind complete the group, making way for a new one. Empty bubbles pop and more bubbles drop into play. Collect every cat to finish the level. Your tray is small. Your choices matter. No matching bed ready? That cat waits in one of five tray slots. Waiting cats move on when a suitable bed becomes available. Look ahead, choose your next cat carefully and avoid letting the tray fill up with nowhere to go. New twists behind those cute faces Icy bubbles, chains and keys, fog and hidden cats bring different challenges as you progress. Some levels also introduce timed orders, giving you another reason to plan your next trio. Three tools for tricky moments - Fill helps complete an eligible bed with matching cats. - Clear moves waiting cats into temporary storage to free tray space. - Shuffle changes the cat mix to give you a fresh arrangement. A little puzzle break, with plenty to figure out Enjoy colorful cats, bobbing bubbles and playful match effects. Simple tap controls make it easy to get started; choosing which cat goes next is where the puzzle begins. Made for your next cat break - Cat sorting and triple matching in one playful puzzle - A guided introduction and a handy How to Play guide - Offline play with level progress saved on your device - Sound and music you can switch on or off Make room for one more clever match. Your next trio is waiting in Kitty Pop.
Screenshots
Verdict
The clearest difference is update cadence: Kitty Pop at every 5 days against Bubble Sort Merge's every 10 days. On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Bubble Sort Merge ships an update every 10 days, Kitty Pop every 5 days. Both last shipped on November 10, 2026.
| Parameter | Bubble Sort Merge | Kitty Pop |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 396 MB | 183 MB |
| Age rating | 17+ | 4+ |
| Developer | META KINGDOM LIMITED | TRAN DUC NGHIA |
In-app purchases
Bubble Sort Merge
No in-app purchases
Kitty Pop
No in-app purchases





