# Rolling Sphere Challenge 3D vs Double Helix 3D

The clearest difference is ads: Rolling Sphere Challenge 3D at none against Double Helix 3D's shown. On price, in-app purchases, device support and iOS requirement 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 | Rolling Sphere Challenge 3D | Double Helix 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Size | 67 MB | 73 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maqbool Ahmed Mirza](https://appshunter.io/developer/837043470) | [Antonis Panoris](https://appshunter.io/developer/994248872) |

## What reviewers say

### Rolling Sphere Challenge 3D

[App page](https://appshunter.io/ios/app/rolling-sphere-challenge-3d/id1218270166)

**Features:** macOS Compatibility

**In-app purchases:** none


### Double Helix 3D

[App page](https://appshunter.io/ios/app/double-helix-3d/id1615961011)

**In-app purchases:** none


## Frequently asked questions

### Is Rolling Sphere Challenge 3D free?

Rolling Sphere Challenge 3D is free to download, with no in-app purchases.

### Is Double Helix 3D free?

Double Helix 3D is free to download, with no in-app purchases.

### Do Rolling Sphere Challenge 3D or Double Helix 3D have ads?

Double Helix 3D shows ads; Rolling Sphere Challenge 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.*