# GLTF Viewer · Convert OBJ/STL vs Quick3D CAD Viewer

The clearest difference is in-app purchases: Quick3D CAD Viewer at none against GLTF Viewer · Convert OBJ/STL's 2. GLTF Viewer · Convert OBJ/STL's advantage is ads (none vs shown) and device support (4 vs 2). On price and update cadence there is nothing between them.

Both are free to download. GLTF Viewer · Convert OBJ/STL sells 2 in-app purchases, starting at $2.99 per 7 days. Quick3D CAD Viewer asks for nothing beyond the download.

GLTF Viewer · Convert OBJ/STL ships an update weekly, Quick3D CAD Viewer every 2 weeks. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | GLTF Viewer · Convert OBJ/STL | Quick3D CAD Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gltf-viewer-convert-objstl/id6776793016/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 28 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rush Tools LLC](https://appshunter.io/developer/1896773547) | [Ryo Tazaki](https://appshunter.io/developer/6814366399) |

## What reviewers say

### GLTF Viewer · Convert OBJ/STL

[App page](https://appshunter.io/ios/app/gltf-viewer-convert-objstl/id6776793016)

View and inspect 3D models in glTF and GLB formats with advanced rendering and animation playback. Offers a full inspector for scene graph, materials, and animations. Convert models to other formats, measure distances, and view in AR with an in-app purchase.

**Highlights:** View glTF and GLB 3D models, Orbit, pan, and zoom controls, Multiple render modes (Solid, Wireframe, X-ray), Play embedded animations, Full glTF inspector (scene graph, materials, animations), Export to GLB, glTF, OBJ, STL, PLY, USDZ, Augmented Reality (AR) viewing

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GLTF Viewer Pro | $2.99 | per 7 days |
| GLTF Viewer Pro | $9.99 | per year |


### Quick3D CAD Viewer

[App page](https://appshunter.io/ios/app/quick3d-cad-viewer/id6816122073)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GLTF Viewer · Convert OBJ/STL free?

GLTF Viewer · Convert OBJ/STL is free to download, with in-app purchases available.

### Is Quick3D CAD Viewer free?

Quick3D CAD Viewer is free to download, with no in-app purchases.

### Do GLTF Viewer · Convert OBJ/STL or Quick3D CAD Viewer have ads?

Quick3D CAD Viewer shows ads; GLTF Viewer · Convert OBJ/STL does not.

### Which is updated more often, GLTF Viewer · Convert OBJ/STL or Quick3D CAD Viewer?

GLTF Viewer · Convert OBJ/STL ships an update weekly, and Quick3D CAD Viewer every 2 weeks. Most recently, GLTF Viewer · Convert OBJ/STL was updated on November 1, 2026 and Quick3D CAD Viewer on October 29, 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.*