# Evil Ducks Castle vs Monsters Project

The clearest difference is price: Monsters Project at Free against Evil Ducks Castle's $0.99. Evil Ducks Castle's advantage is update cadence (every 37 months vs every 93 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Monsters Project is free to download; Evil Ducks Castle costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Evil Ducks Castle ships an update every 37 months, Monsters Project every 93 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Evil Ducks Castle | Monsters Project |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (13 ratings)](https://appshunter.io/ios/app/monsters-project/id1142660966/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 37 months** | Every 93 months |
| Monetization | — | Free |
| Size | 21 MB | 65 MB |
| Requires iOS | 12.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Anthony Hindle](https://appshunter.io/developer/1057765652) | [Dana Hocking](https://appshunter.io/developer/790445840) |

## What reviewers say

### Evil Ducks Castle

[App page](https://appshunter.io/ios/app/evil-ducks-castle/id1117589870)

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

**In-app purchases:** none


### Monsters Project

[App page](https://appshunter.io/ios/app/monsters-project/id1142660966)

Explore a mysterious world filled with unique abilities, challenging levels, and hidden secrets. Discover potions and avatars as you navigate this strange new place. This game offers a unique experience with mini-games and a focus on exploration.

**Highlights:** 3 Unique Abilities, 8+ Levels, 14 Potions, 13 Avatars, Mini-Games, Exploration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Evil Ducks Castle free?

Evil Ducks Castle costs $0.99, with no in-app purchases.

### Is Monsters Project free?

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

### Do Evil Ducks Castle or Monsters Project have ads?

Neither Evil Ducks Castle nor Monsters Project shows ads.

### Which is updated more often, Evil Ducks Castle or Monsters Project?

Evil Ducks Castle ships an update every 37 months, and Monsters Project every 93 months. Most recently, Evil Ducks Castle was updated on November 6, 2026 and Monsters Project on November 6, 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.*