# Loop String 3D vs Wooly Bubbles

The clearest difference is ads: Wooly Bubbles at none against Loop String 3D's shown. Loop String 3D's advantage is iOS requirement (11.0 vs 13.0). 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 | Loop String 3D | Wooly Bubbles |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Size | 90 MB | 163 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Berat Oguz](https://appshunter.io/developer/1124816969) | [Changsha keyboard Xia network co.,ltd](https://appshunter.io/developer/1728974908) |

## What reviewers say

### Loop String 3D

[App page](https://appshunter.io/ios/app/loop-string-3d/id1667545428)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wooly Bubbles

[App page](https://appshunter.io/ios/app/wooly-bubbles/id6744085049)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Loop String 3D free?

Loop String 3D is free to download, with no in-app purchases.

### Is Wooly Bubbles free?

Wooly Bubbles is free to download, with no in-app purchases.

### Do Loop String 3D or Wooly Bubbles have ads?

Loop String 3D shows ads; Wooly Bubbles 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.*