# The Stacker Mania  Happy Stack vs Merge the Cats!

The clearest difference is in-app purchases: Merge the Cats! at none against The Stacker Mania  Happy Stack's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. The Stacker Mania  Happy Stack sells 3 one-off in-app purchases. Merge the Cats! asks for nothing beyond the download.

## The numbers

| Metric | The Stacker Mania  Happy Stack | Merge the Cats! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/the-stacker-mania-happy-stack/id986290658/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 53 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 151 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Macrobian Games](https://appshunter.io/developer/950173977) | [Full Fat Productions Ltd](https://appshunter.io/developer/374306144) |

## What reviewers say

### The Stacker Mania  Happy Stack

[App page](https://appshunter.io/ios/app/the-stacker-mania-happy-stack/id986290658)

A physics-based stacking game where players drag and arrange various shapes on a platform to achieve the best score. The goal is to create a stable stack without dropping any pieces.

**Highlights:** Physics-based gameplay, Drag and arrange shapes, Balance objects on a platform, Achieve best scores, Variety of shapes

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Coins | $0.99 | one-time |
| 2000 Coins | $1.99 | one-time |
| 8000 Coins | $3.99 | one-time |


### Merge the Cats!

[App page](https://appshunter.io/ios/app/merge-the-cats/id6475688849)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Stacker Mania  Happy Stack free?

The Stacker Mania  Happy Stack is free to download, with in-app purchases available.

### Is Merge the Cats! free?

Merge the Cats! is free to download, with no in-app purchases.

### Do The Stacker Mania  Happy Stack or Merge the Cats! have ads?

Both The Stacker Mania  Happy Stack and Merge the Cats! show ads.

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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.*