# Block Master 3D vs Cosmo Blocks

The clearest difference is ads: Block Master 3D at none against Cosmo Blocks's shown. Block Master 3D also leads on iOS requirement (13.0 vs 15.0). Cosmo Blocks's advantage is update cadence (fortnightly vs every 67 months). 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.

Block Master 3D ships an update every 67 months, Cosmo Blocks fortnightly. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Block Master 3D | Cosmo Blocks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 67 months | **Fortnightly** |
| Size | 55 MB | 68 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [App Swim LLC](https://appshunter.io/developer/1475582966) | [POSITIVE VIBRATION, SOCIEDAD LIMITADA.](https://appshunter.io/developer/6787287671) |

## What reviewers say

### Block Master 3D

[App page](https://appshunter.io/ios/app/block-master-3d/id1527561565)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cosmo Blocks

[App page](https://appshunter.io/ios/app/cosmo-blocks-puzzle-blast/id6787754622)

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Master 3D free?

Block Master 3D is free to download, with no in-app purchases.

### Is Cosmo Blocks free?

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

### Do Block Master 3D or Cosmo Blocks have ads?

Cosmo Blocks shows ads; Block Master 3D does not.

### Which is updated more often, Block Master 3D or Cosmo Blocks?

Block Master 3D ships an update every 67 months, and Cosmo Blocks fortnightly. Most recently, Block Master 3D was updated on October 19, 2026 and Cosmo Blocks on October 8, 2026.

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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.*