# Castle Model Viewer vs Shapely 3D

The clearest difference is in-app purchases: Castle Model Viewer at none against Shapely 3D's 1. Castle Model Viewer also leads on iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Shapely 3D sells 1 one-off in-app purchase. Castle Model Viewer asks for nothing beyond the download.

## The numbers

| Metric | Castle Model Viewer | Shapely 3D |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Monetization | Free | — |
| Size | 72 MB | 13 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [MICHALIS KAMBURELIS](https://appshunter.io/developer/1838215378) | [Fabrizio Brancati](https://appshunter.io/developer/538499509) |

## 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


### Shapely 3D

[App page](https://appshunter.io/ios/app/shapely-3d/id6791292386)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shapely 3D Pro | $4.99 | one-time |


## Frequently asked questions

### Is Castle Model Viewer free?

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

### Is Shapely 3D free?

Shapely 3D is free to download, with in-app purchases available.

### Do Castle Model Viewer or Shapely 3D have ads?

Neither Castle Model Viewer nor Shapely 3D 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.*