# Cosmic Forge vs Castle

The clearest difference is ads: Cosmic Forge at none against Castle's shown. Castle's advantage is update cadence (every 10 days vs every 5 weeks) and iOS requirement (15.0 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.

Cosmic Forge ships an update every 5 weeks, Castle every 10 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cosmic Forge | Castle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Size | 6 MB | 40 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [QUALITY CAT SP Z O O](https://appshunter.io/developer/1896298587) | [EMRE OZEL](https://appshunter.io/developer/6806816615) |

## What reviewers say

### Cosmic Forge

[App page](https://appshunter.io/ios/app/cosmic-forge/id6766518821)

**In-app purchases:** none


### Castle

[App page](https://appshunter.io/ios/app/castle-the-eleventh-tower/id6807945908)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cosmic Forge free?

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

### Is Castle free?

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

### Do Cosmic Forge or Castle have ads?

Castle shows ads; Cosmic Forge does not.

### Which is updated more often, Cosmic Forge or Castle?

Cosmic Forge ships an update every 5 weeks, and Castle every 10 days. Most recently, Cosmic Forge was updated on October 25, 2026 and Castle on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*