# Graviton 3D vs Slapping Penguin

The clearest difference is in-app purchases: Slapping Penguin at none against Graviton 3D's 2. Slapping Penguin also leads on iOS requirement (12.0 vs 16). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Graviton 3D sells 2 one-off in-app purchases. Slapping Penguin asks for nothing beyond the download.

Graviton 3D ships an update daily, Slapping Penguin every 2 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Graviton 3D | Slapping Penguin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 2 days |
| Size | 73 MB | 53 MB |
| Requires iOS | 16 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nir Tsook](https://appshunter.io/developer/599411476) | [Aurelien YOL](https://appshunter.io/developer/6783976948) |

## What reviewers say

### Graviton 3D

[App page](https://appshunter.io/ios/app/graviton-3d/id6759337974)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Levels 5-6 | $1.99 | one-time |
| Remove ads | $1.99 | one-time |


### Slapping Penguin

[App page](https://appshunter.io/ios/app/slapping-penguin/id6783976946)

**In-app purchases:** none


## Frequently asked questions

### Is Graviton 3D free?

Graviton 3D is free to download, with in-app purchases available.

### Is Slapping Penguin free?

Slapping Penguin is free to download, with no in-app purchases.

### Do Graviton 3D or Slapping Penguin have ads?

Both Graviton 3D and Slapping Penguin show ads.

### Which is updated more often, Graviton 3D or Slapping Penguin?

Graviton 3D ships an update daily, and Slapping Penguin every 2 days. Most recently, Graviton 3D was updated on October 5, 2026 and Slapping Penguin on October 7, 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.*