# The Stacker Mania  Happy Stack vs Happy Penguins 3D

The clearest difference is in-app purchases: Happy Penguins 3D at none against The Stacker Mania  Happy Stack's 3. Happy Penguins 3D also leads on ads (none vs shown). On price, update cadence, 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. Happy Penguins 3D asks for nothing beyond the download.

The Stacker Mania  Happy Stack ships an update every 53 months, Happy Penguins 3D every 43 months. The most recent releases landed on October 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | The Stacker Mania  Happy Stack | Happy Penguins 3D |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | Every 53 months | **Every 43 months** |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 77 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Macrobian Games](https://appshunter.io/developer/950173977) | [PAMPAM, TOV](https://appshunter.io/developer/1435908728) |

## 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 |


### Happy Penguins 3D

[App page](https://appshunter.io/ios/app/happy-penguins-3d/id1508310564)

**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 Happy Penguins 3D free?

Happy Penguins 3D is free to download, with no in-app purchases.

### Do The Stacker Mania  Happy Stack or Happy Penguins 3D have ads?

The Stacker Mania  Happy Stack shows ads; Happy Penguins 3D does not.

### Which is updated more often, The Stacker Mania  Happy Stack or Happy Penguins 3D?

The Stacker Mania  Happy Stack ships an update every 53 months, and Happy Penguins 3D every 43 months. Most recently, The Stacker Mania  Happy Stack was updated on October 16, 2026 and Happy Penguins 3D on September 14, 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.*