# Stack Cats vs Cat Merge

The clearest difference is review sentiment: Stack Cats at 89% against Cat Merge's 27%. Stack Cats also leads on rating (4.6 vs 2.9) and ads (none vs shown). Cat Merge's advantage is ratings volume (1.8K vs 30). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Stack Cats holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: Cat Merge has 1.8K ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 89% of Stack Cats's written reviews are positive against 27% of Cat Merge's.

Stack Cats ships an update every 3 weeks, Cat Merge every 6 weeks. The most recent releases landed on October 19, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Stack Cats | Cat Merge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (30 ratings)](https://appshunter.io/ios/app/stack-cats/id1562195486/reviews)** | [2.9 (1.8K ratings)](https://appshunter.io/ios/app/cat-mergepet-game/id6757701948/reviews) |
| Number of ratings | 30 | **1.8K** |
| Positive reviews | **88.9% of reviews** | 27.4% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 37 MB | 109 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fitchett Studios](https://appshunter.io/developer/1562195488) | [芙蓉 张](https://appshunter.io/developer/1790613588) |

## What reviewers say

### Stack Cats

[App page](https://appshunter.io/ios/app/stack-cats/id1562195486)

Tap to stack adorable cats as high as you can in this fun and safe mobile game. Unlock a variety of cute cats and kittens, explore interactive scenarios, and compete with friends on leaderboards. Enjoy a rewarding experience with prizes and achievements.

**Highlights:** Tap to stack cats, Unlockable cute cats and kittens, Interactive scenarios, Prize screen and bonuses, Online achievements, Leaderboards

**Features:** macOS Compatibility

**In-app purchases:** none


### Cat Merge

[App page](https://appshunter.io/ios/app/cat-mergepet-game/id6757701948)

Merge identical cats to discover new breeds and build an adorable feline collection. This casual puzzle game offers simple, addictive gameplay perfect for relaxation and fun. Collect them all and watch your fluffy companions evolve.

**Highlights:** Merge identical cats, Unlock higher-level cats, Collect rare breeds, Simple tap-to-drop gameplay, Evolving feline designs, Build a cat collection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack Cats free?

Stack Cats is free to download, with no in-app purchases.

### Is Cat Merge free?

Cat Merge is free to download, with no in-app purchases.

### Which has better reviews, Stack Cats or Cat Merge?

Stack Cats is rated higher. Stack Cats averages 4.6 out of 5 from 30 ratings, while Cat Merge averages 2.9 from 1.8K ratings.

### Do Stack Cats or Cat Merge have ads?

Cat Merge shows ads; Stack Cats does not.

### Which is updated more often, Stack Cats or Cat Merge?

Stack Cats ships an update every 3 weeks, and Cat Merge every 6 weeks. Most recently, Stack Cats was updated on October 19, 2026 and Cat Merge on October 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*