# Castle Model Viewer vs Clayoo

The clearest difference is iOS requirement: Castle Model Viewer at 13.0 against Clayoo's 18.0. On price, ads, 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.

## The numbers

| Metric | Castle Model Viewer | Clayoo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/castle-model-viewer/id6752208775/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 72 MB | 14 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MICHALIS KAMBURELIS](https://appshunter.io/developer/1838215378) | [Rahul Sehgal](https://appshunter.io/developer/1875545857) |

## What reviewers say

### Castle Model Viewer

[App page](https://appshunter.io/ios/app/castle-model-viewer/id6752208775)

View and interact with a wide range of 2D and 3D model formats. Explore models, play animations, and save screenshots. Supports various file types including glTF, X3D, and OBJ, with options to open ZIP archives containing models and textures.

**Highlights:** Supports glTF, X3D, VRML, IFC, Spine JSON, and more, Open ZIP files with models and textures, Change navigation types (walk, fly, examine, 2D), Play animations, Save screenshots, Display scene statistics

**Features:** macOS Compatibility

**In-app purchases:** none


### Clayoo

[App page](https://appshunter.io/ios/app/clayoo/id6759491569)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Castle Model Viewer free?

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

### Is Clayoo free?

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

### Do Castle Model Viewer or Clayoo have ads?

Neither Castle Model Viewer nor Clayoo 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.*