# Crazy Jumpers 3D vs Muscle Stack

The clearest difference is ads: Crazy Jumpers 3D at none against Muscle Stack's shown. Crazy Jumpers 3D also leads on iOS requirement (9.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Crazy Jumpers 3D | Muscle Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 29 months |
| Size | 261 MB | 84 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ultragmes Entertainment Private Limited](https://appshunter.io/developer/1484059886) | [omer cetin](https://appshunter.io/developer/1584332419) |

## What reviewers say

### Crazy Jumpers 3D

[App page](https://appshunter.io/ios/app/crazy-jumpers-3d/id1520153270)

**Features:** macOS Compatibility

**In-app purchases:** none


### Muscle Stack

[App page](https://appshunter.io/ios/app/muscle-stack/id1604565712)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Crazy Jumpers 3D free?

Crazy Jumpers 3D is free to download, with no in-app purchases.

### Is Muscle Stack free?

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

### Do Crazy Jumpers 3D or Muscle Stack have ads?

Muscle Stack shows ads; Crazy Jumpers 3D does not.

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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.*