# M vs Dunans Castle

The clearest difference is price: M at Free against Dunans Castle's $4.99. M also leads on iOS requirement (9.0 vs 12.0). Dunans Castle's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

M is free to download; Dunans Castle costs $4.99 up front. M sells 1 one-off in-app purchase. Dunans Castle asks for nothing beyond the download.

## The numbers

| Metric | M | Dunans Castle |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/m-eye-2017/id1260366413/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 209 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [William Alexander](https://appshunter.io/developer/386491659) | [Charles Dixon-Spain](https://appshunter.io/developer/999320692) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-eye-2017/id1260366413)

Explore hidden objects within stereogram images. This app offers a collection of magic eye puzzles to view and enjoy, perfect for casual entertainment and passing the time. Tap on thumbnails for helpful hints.

**Highlights:** Stereogram image viewer, Hidden object discovery, Image scrolling, Tip system, Time-killing entertainment

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Dunans Castle

[App page](https://appshunter.io/ios/app/dunans-castle/id1617796245)

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

**In-app purchases:** none


## Frequently asked questions

### Is M free?

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

### Is Dunans Castle free?

Dunans Castle costs $4.99, with no in-app purchases.

### Do M or Dunans Castle have ads?

Neither M nor Dunans Castle 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.*