Cattern vs Oops! Zombies!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Cattern
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Every puzzle board in the game is a little neighborhood waiting for its cats to settle into territories of their own. Your goal is to help every cat find its territory: read the clues, decide whether the next cell belongs to an orange or black cat, and fill the whole board one logical step at a time. Fresh daily puzzles and hundreds of carefully paced levels await, from cozy 4×4 starters to spacious 10×10 boards. Core puzzle play works offline, so the cats are ready whenever you are. • Fill every cell with an orange cat or a black cat. • Give every row and column the same number of each cat. • Never place three matching cats in a row or column. • = means adjacent cells match; × means they differ. • Every published puzzle has exactly one solution. COZY LOGIC AT YOUR PACE • No timers, lives, or harsh penalties • Gentle rule reminders help you spot a conflict • Hints are there when you want a nudge • On the toughest boards, assumption mode lets you test an idea and return safely A FRESH DAILY ROUTINE • Solve Easy, Medium, and Hard daily boards • Clear Hard to unlock the 10×10 special challenge • Grow your streak and fill the calendar with sleepy cats • Earn fish treats from daily puzzles and levels HUNDREDS OF LEVELS • Start with friendly 4×4 boards • Work up through 6×6 and 8×8 challenges • Practice any size, including 10×10 • Enjoy a carefully paced mix of quick and deeper challenges MADE FOR COMFORT • The core puzzle game works offline • Orange cats and black cats differ by face and silhouette, not color alone • Reduce motion in Settings for a calmer experience • Warm colors, gentle animations, and a board full of patient cats Learn the simple rules, find the satisfying chain of deductions, and enjoy one more quiet puzzle with the cats. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Oops! Zombies!
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The world has ended. But somehow... it doesn’t seem that bad? A crazy experiment has gone completely out of control, awakening six mysterious gems. Strange energy sweeps across the globe, turning humans into zombies and throwing once-familiar cities into total chaos. Welcome to **Oops! Zombies!** — a ridiculous, chaotic, and wildly entertaining zombie match-3 adventure! Move the gems, make matches, and overcome obstacles across challenging levels. Use powerful boosters and chain reactions to create explosive combos as you make your way through a world overrun by zombies. 【FUN & ADDICTIVE MATCH-3 PUZZLES】 Match and clear colorful gems to trigger combos and special effects. It’s easy to pick up, but mastering every level is another story! 【EXPLORE A CRAZY ZOMBIE WORLD】 Cities, farms, laboratories... nothing looks quite the same after the apocalypse. Continue your adventure and discover bizarre new locations brought to life in a colorful American comic-book style. 【MEET ALL KINDS OF ZOMBIES】 Not every zombie is a terrifying monster. Along the way, you’ll encounter all sorts of weird and ridiculous zombie characters — some are dangerous, while others are strangely adorable. 【THE SIX MYSTERIOUS GEMS】 It all started with them. Where did these six mysterious gems come from? Why do they possess the power to turn humans into zombies? Continue your adventure and gradually uncover the secrets behind the gems — and the apocalypse they created. 【BOOSTERS, REWARDS & MORE SURPRISES】 Complete challenges, collect rewards, and use powerful boosters to overcome tricky levels. One clever move or explosive combo could completely turn the game around! This isn’t a dark and depressing story about the end of the world. It’s one huge, ridiculous zombie party. Ready to join the chaos? The six gems are glowing... and the zombies can’t wait any longer! **Oops! Zombies! — The apocalypse starts with one match!**
Screenshots
Verdict
The clearest difference is ads: Oops! Zombies! at none against Cattern's shown. 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
Both are free to download. Cattern sells 1 one-off in-app purchase and Oops! Zombies! sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly daily. Both last shipped on October 24, 2026.
| Parameter | Cattern | Oops! Zombies! |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily | Daily |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 98 MB | 1015 MB |
| Age rating | 4+ | 9+ |
| Developer | CHIH YU LIN | 怀希 黄 |
In-app purchases
Cattern
- Remove ads$2.99
Oops! Zombies!
- Crazy Deal 08$5.99
- Crazy Deal 06$5.99
- Crazy Deal 07$5.99
Show 7 moreShow fewer
- Crazy Deal 09$5.99
- Crazy Deal 10$5.99
- Crazy Deal 12$5.99
- Crazy Deal 11$5.99
- Crazy Deal 13$5.99
- Crazy Deal 14$5.99
- Crazy Deal 15$5.99









