# Bubble Marbles vs U Blocks

The clearest difference is in-app purchases: Bubble Marbles at none against U Blocks's 10. Bubble Marbles also leads on iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. U Blocks sells 10 one-off in-app purchases. Bubble Marbles asks for nothing beyond the download.

## The numbers

| Metric | Bubble Marbles | U Blocks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 9 days |
| Size | 203 MB | 76 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fox Craft SRL](https://appshunter.io/developer/1640046245) | [UMUT BERKAY ERDOGAN](https://appshunter.io/developer/1877528676) |

## What reviewers say

### Bubble Marbles

[App page](https://appshunter.io/ios/app/bubble-marbles/id6480203092)

**Features:** macOS Compatibility

**In-app purchases:** none


### U Blocks

[App page](https://appshunter.io/ios/app/u-blocks-block-puzzle/id6759225171)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Poland | $0.99 | one-time |
| Argentina | $0.99 | one-time |
| Portugal | $0.99 | one-time |
| Flag Indonesia | $0.99 | one-time |
| Ukraine | $0.99 | one-time |
| Americas Pack | $3.99 | one-time |
| Europe Pack | $3.99 | one-time |
| Asia Pack | $3.99 | one-time |
| MENA Pack | $3.99 | one-time |
| Rest of World Pack | $4.99 | one-time |


## Frequently asked questions

### Is Bubble Marbles free?

Bubble Marbles is free to download, with no in-app purchases.

### Is U Blocks free?

U Blocks is free to download, with in-app purchases available.

### Do Bubble Marbles or U Blocks have ads?

Both Bubble Marbles and U Blocks show ads.

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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.*