# OBJ & MTL Simple Viewer vs STL Viewer · Model File Reader

The clearest difference is review sentiment: OBJ & MTL Simple Viewer at 13% against STL Viewer · Model File Reader's 0%. OBJ & MTL Simple Viewer also leads on iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. OBJ & MTL Simple Viewer sells 2 one-off in-app purchases and STL Viewer · Model File Reader sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | OBJ & MTL Simple Viewer | STL Viewer · Model File Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/obj-and-mtl-simple-viewer/id6469348754/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **12.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 11 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 30 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Victor Bovio](https://appshunter.io/developer/327627515) | [OMER FARUK KIZILTUG](https://appshunter.io/developer/1870337585) |

## What reviewers say

### OBJ & MTL Simple Viewer

[App page](https://appshunter.io/ios/app/obj-and-mtl-simple-viewer/id6469348754)

Easily view and export 3D OBJ files with this application. It supports OBJ, MTL, and texture files, and allows for intuitive manipulation like rotating, panning, and zooming. Gain insights into your models with detailed information and customize rendering options for a better viewing experience.

**Highlights:** Load OBJ, MTL, and texture files, Load from ZIP files, Rotate, pan, and zoom 3D models, Orthogonal and perspective viewing modes, View model info (mesh, material, texture count), Customizable rendering options (faces, edges, points), Clipping plane for interior viewing

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Export to STL, DXF | $1.99 | one-time |


### STL Viewer · Model File Reader

[App page](https://appshunter.io/ios/app/stl-viewer-model-file-reader/id6760254634)

Quickly view and interact with 3D model files. Rotate, zoom, and project models into your environment using augmented reality. Offers customization options and multi-model support.

**Highlights:** Fast STL file viewing, 3D model rotation and zoom, Augmented Reality (AR) projection, Customizable model and background colors, Multi-model support, Grid viewer and lighting options

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Pro | $4.99 | per month |
| Yearly Pro | $19.99 | per year |


## Frequently asked questions

### Is OBJ & MTL Simple Viewer free?

OBJ & MTL Simple Viewer is free to download, with in-app purchases available.

### Is STL Viewer · Model File Reader free?

STL Viewer · Model File Reader is free to download, with in-app purchases available.

### Do OBJ & MTL Simple Viewer or STL Viewer · Model File Reader have ads?

Both OBJ & MTL Simple Viewer and STL Viewer · Model File Reader show 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.*