# Stack Cats vs Aqua Pals

The clearest difference is in-app purchases: Aqua Pals at none against Stack Cats's 4. Aqua Pals also leads on iOS requirement (15.0 vs 17.6). Stack Cats's advantage is update cadence (every 4 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Stack Cats sells 4 one-off in-app purchases. Aqua Pals asks for nothing beyond the download.

Stack Cats ships an update every 4 days, Aqua Pals every 6 weeks. Both last shipped on November 10, 2026.

## The numbers

| Metric | Stack Cats | Aqua Pals |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 6 weeks |
| Size | 42 MB | 136 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [桃花 秦](https://appshunter.io/developer/1877272960) | [Joel Camilo Fernandes](https://appshunter.io/developer/1538644070) |

## What reviewers say

### Stack Cats

[App page](https://appshunter.io/ios/app/stack-cats-cat-puzzle/id6814190493)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coins Pack | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Hint Pack | $2.99 | one-time |
| Bed Skin Pack | $3.99 | one-time |


### Aqua Pals

[App page](https://appshunter.io/ios/app/aqua-pals/id6814959639)

**In-app purchases:** none


## Frequently asked questions

### Is Stack Cats free?

Stack Cats is free to download, with in-app purchases available.

### Is Aqua Pals free?

Aqua Pals is free to download, with no in-app purchases.

### Do Stack Cats or Aqua Pals have ads?

Both Stack Cats and Aqua Pals show ads.

### Which is updated more often, Stack Cats or Aqua Pals?

Stack Cats ships an update every 4 days, and Aqua Pals every 6 weeks. Most recently, Stack Cats was updated on November 10, 2026 and Aqua Pals on November 10, 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.*