# Kitty Cat vs Slime Stack

The clearest difference is in-app purchases: Slime Stack at none against Kitty Cat's 3. Slime Stack also leads on update cadence (every 4 days vs every 25 months). Kitty Cat's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Kitty Cat sells 3 one-off in-app purchases. Slime Stack asks for nothing beyond the download.

Kitty Cat ships an update every 25 months, Slime Stack every 4 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kitty Cat | Slime Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (28 ratings)](https://appshunter.io/ios/app/kitty-cat-fun-meow-noise-game/id1066843478/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 25 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 44 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Istvan Kiss](https://appshunter.io/developer/1299989198) | [Meshal Alamri](https://appshunter.io/developer/1784274279) |

## What reviewers say

### Kitty Cat

[App page](https://appshunter.io/ios/app/kitty-cat-fun-meow-noise-game/id1066843478)

This game offers a collection of cat-themed puzzles and sound-matching activities for young children. It features high-quality cat sounds, memory games, and jigsaw puzzles with varying difficulty levels. Designed to enhance fine motor skills, memory, and hand-eye coordination.

**Highlights:** High-quality cat and lion sounds, Four cat picture memory games, Ten puzzles with three difficulty levels, Sound-matching gameplay, Develops fine motor skills, Enhances memory and recognition, Promotes hand-eye coordination

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |
| Unlock Content | $5.99 | one-time |
| PRO | $7.99 | one-time |


### Slime Stack

[App page](https://appshunter.io/ios/app/slime-stack/id6759118152)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kitty Cat free?

Kitty Cat is free to download, with in-app purchases available.

### Is Slime Stack free?

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

### Do Kitty Cat or Slime Stack have ads?

Both Kitty Cat and Slime Stack show ads.

### Which is updated more often, Kitty Cat or Slime Stack?

Kitty Cat ships an update every 25 months, and Slime Stack every 4 days. Most recently, Kitty Cat was updated on November 2, 2026 and Slime Stack on October 31, 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.*