# Cluster Rush vs Stack Em! Cosmic Blocks

The clearest difference is ads: Stack Em! Cosmic Blocks at none against Cluster Rush's shown. Cluster Rush's advantage is update cadence (daily vs every 3 days) and iOS requirement (15.1 vs 17.0). 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.

Cluster Rush ships an update daily, Stack Em! Cosmic Blocks every 3 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cluster Rush | Stack Em! Cosmic Blocks |
| --- | --- | --- |
| 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 | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Monetization | — | Free |
| Size | 43 MB | 31 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [netbitify](https://appshunter.io/developer/1776770104) | [JMM Technologies](https://appshunter.io/developer/6774973760) |

## What reviewers say

### Cluster Rush

[App page](https://appshunter.io/ios/app/cluster-rush-game/id6760133500)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Cluster Rush free?

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

### Is Stack Em! Cosmic Blocks free?

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

### Do Cluster Rush or Stack Em! Cosmic Blocks have ads?

Cluster Rush shows ads; Stack Em! Cosmic Blocks does not.

### Which is updated more often, Cluster Rush or Stack Em! Cosmic Blocks?

Cluster Rush ships an update daily, and Stack Em! Cosmic Blocks every 3 days. Most recently, Cluster Rush was updated on October 28, 2026 and Stack Em! Cosmic Blocks on October 24, 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.*