# Marble Stack vs Prism Blocks

The clearest difference is ads: Marble Stack at none against Prism Blocks's shown. Prism Blocks's advantage is iOS requirement (13.0 vs 15.0). 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 | Marble Stack | Prism Blocks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Size | 135 MB | 63 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Jung Yong Kim](https://appshunter.io/developer/1571297457) | [Digital Asset S.r.l.](https://appshunter.io/developer/1502450461) |

## What reviewers say

### Marble Stack

[App page](https://appshunter.io/ios/app/marble-stack/id6642671381)

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

**In-app purchases:** none


### Prism Blocks

[App page](https://appshunter.io/ios/app/prism-blocks/id6759961366)

**In-app purchases:** none


## Frequently asked questions

### Is Marble Stack free?

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

### Is Prism Blocks free?

Prism Blocks is free to download, with no in-app purchases.

### Do Marble Stack or Prism Blocks have ads?

Prism Blocks shows ads; Marble Stack 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.*