# 3D Model Viewer & Converter vs STL Viewer · Model File Reader

The clearest difference is review sentiment: 3D Model Viewer & Converter at 43% against STL Viewer · Model File Reader's 0%. 3D Model Viewer & Converter also leads on ads (none vs shown). STL Viewer · Model File Reader's advantage is rating (5.0 vs 1.5) and update cadence (every 2 weeks vs every 3 weeks). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. 3D Model Viewer & Converter sells 14 in-app purchases, starting at $2.99 per 7 days 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.

STL Viewer · Model File Reader holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews complicate that: 43% of 3D Model Viewer & Converter's written reviews are positive against 0% of STL Viewer · Model File Reader's, so the app with the better star average is not the one people write more warmly about.

3D Model Viewer & Converter ships an update every 3 weeks, STL Viewer · Model File Reader every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 3D Model Viewer & Converter | STL Viewer · Model File Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/3d-model-viewer-and-converter/id6748610196/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stl-viewer-model-file-reader/id6760254634/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | **42.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 18 MB | 31 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [维 艾](https://appshunter.io/developer/1771300149) | [OMER FARUK KIZILTUG](https://appshunter.io/developer/1870337585) |

## What reviewers say

### 3D Model Viewer & Converter

[App page](https://appshunter.io/ios/app/3d-model-viewer-and-converter/id6748610196)

This tool allows you to open, view, and convert a wide variety of 3D file formats on your Apple devices. It offers basic editing, cross-sectioning, and exploded views, with options for batch conversion and exporting projected views.

**Highlights:** Import numerous 3D formats, Convert between popular 3D formats, Basic editing tools, Cross-section and exploded views, Batch export support, Export projected views as SVG, Offline functionality

**Features:** Family Sharing, Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Flex | $2.99 | per 7 days |
| Pro Light | $9.99 | per month |
| Pro Infinity | $59.99 | per year |
| Export as PNG | $2.99 | one-time |
| Export as OBJ | $3.99 | one-time |
| Export as USDZ | $3.99 | one-time |
| Export as GLTF/GLB | $3.99 | one-time |
| Export as STL | $3.99 | one-time |
| Exploded View | $4.99 | one-time |
| Unlock Batch Export | $4.99 | one-time |
| Unlock Projection View Export | $4.99 | one-time |
| Cross Section View | $6.99 | one-time |
| Unlock Batch Export | $9.99 | one-time |
| Export all formats | $16.99 | 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 3D Model Viewer & Converter free?

3D Model Viewer & Converter 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.

### Which has better reviews, 3D Model Viewer & Converter or STL Viewer · Model File Reader?

STL Viewer · Model File Reader is rated higher. 3D Model Viewer & Converter averages 1.5 out of 5 from 2 ratings, while STL Viewer · Model File Reader averages 5.0 from 2 ratings.

### Do 3D Model Viewer & Converter or STL Viewer · Model File Reader have ads?

STL Viewer · Model File Reader shows ads; 3D Model Viewer & Converter does not.

### Which is updated more often, 3D Model Viewer & Converter or STL Viewer · Model File Reader?

3D Model Viewer & Converter ships an update every 3 weeks, and STL Viewer · Model File Reader every 2 weeks. Most recently, 3D Model Viewer & Converter was updated on October 24, 2026 and STL Viewer · Model File Reader on October 28, 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.*