# o vs Meow Cluster

The clearest difference is in-app purchases: Meow Cluster at none against o's 1. Meow Cluster also leads on iOS requirement (12.0 vs 15.0). o's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. o sells 1 one-off in-app purchase. Meow Cluster asks for nothing beyond the download.

## The numbers

| Metric | o | Meow Cluster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/o-o-o/id6504745074/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 117 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jury Shortki](https://appshunter.io/developer/295094305) | [俊华 赵](https://appshunter.io/developer/1744258953) |

## What reviewers say

### o

[App page](https://appshunter.io/ios/app/o-o-o/id6504745074)

Engage in a sci-fi adventure managing atomic synthesis reactions. Collect and combine atoms to create elements, conduct experiments, and build a warp tower to save the world. Utilize unique tools and catalysts in a captivating storyline.

**Highlights:** Manage atomic synthesis, Conduct experiments and research, Build a warp tower, Use catalysts and tools, Immersive sci-fi storyline, Easy controls

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Pile of Stars | $0.99 | one-time |


### Meow Cluster

[App page](https://appshunter.io/ios/app/meow-cluster/id6608975715)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is o free?

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

### Is Meow Cluster free?

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

### Do o or Meow Cluster have ads?

Meow Cluster shows ads; o 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.*