# STL model scanner vs Quick STL Viewer

The clearest difference is update cadence: Quick STL Viewer at weekly against STL model scanner's every 3 months. Quick STL Viewer also leads on iOS requirement (16.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. STL model scanner sells 1 one-off in-app purchase and Quick STL Viewer sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

STL model scanner ships an update every 3 months, Quick STL Viewer weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | STL model scanner | Quick STL Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (12 ratings)](https://appshunter.io/ios/app/quick-stl-viewer/id6761406893/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 75 MB |
| Requires iOS | 18.0 | **16.1** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [婷 刘](https://appshunter.io/developer/1785442312) | [KEAT MEN TANG](https://appshunter.io/developer/1886302384) |

## What reviewers say

### STL model scanner

[App page](https://appshunter.io/ios/app/stl-model-scanner/id6742713519)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Available After Purchase | $1.99 | one-time |


### Quick STL Viewer

[App page](https://appshunter.io/ios/app/quick-stl-viewer/id6761406893)

Instantly open and preview 3D STL files with a smooth, responsive interface. Explore models by rotating and zooming, switch to wireframe mode, and customize colors for better visibility. This app offers a distraction-free viewing experience for checking models or print details on the go.

**Highlights:** Instant STL file opening, Smooth 3D model exploration, Rotate and zoom functionality, Wireframe mode for mesh details, Customizable object and background colors, No account required

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan Weekly | $2.99 | per 7 days |
| Pro Plan Yearly | $24.99 | per year |
| Quick STL Viewer Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is STL model scanner free?

STL model scanner is free to download, with in-app purchases available.

### Is Quick STL Viewer free?

Quick STL Viewer is free to download, with in-app purchases available.

### Do STL model scanner or Quick STL Viewer have ads?

Neither STL model scanner nor Quick STL Viewer shows ads.

### Which is updated more often, STL model scanner or Quick STL Viewer?

STL model scanner ships an update every 3 months, and Quick STL Viewer weekly. Most recently, STL model scanner was updated on October 28, 2026 and Quick STL Viewer on October 25, 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.*