# Stack Em! Cosmic Blocks vs BlockZen

Stack Em! Cosmic Blocks and BlockZen are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Stack Em! Cosmic Blocks | BlockZen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stack-em-cosmic-blocks/id6774973758/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free | — |
| Size | 31 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JMM Technologies](https://appshunter.io/developer/6774973760) | [LIANYOU LAN](https://appshunter.io/developer/6782825941) |

## What reviewers say

### Stack Em! Cosmic Blocks

[App page](https://appshunter.io/ios/app/stack-em-cosmic-blocks/id6774973758)

A relaxing block puzzle game designed for short play sessions. Drag and drop pieces to complete rows and columns, clear space, and aim for high scores. Enjoy satisfying visual and audio feedback with multiple themes.

**Highlights:** Ad-free gameplay, Fast offline play, No account required, Smooth drag-and-drop controls, Satisfying clears and combos, Multiple unlockable themes

**In-app purchases:** none


### BlockZen

[App page](https://appshunter.io/ios/app/blockzen/id6782825939)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack Em! Cosmic Blocks free?

Stack Em! Cosmic Blocks is free to download, with no in-app purchases.

### Is BlockZen free?

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

### Do Stack Em! Cosmic Blocks or BlockZen have ads?

Neither Stack Em! Cosmic Blocks nor BlockZen shows 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.*