# Quick STL Viewer vs STP Viewer

The clearest difference is iOS requirement: STP Viewer at 13.0 against Quick STL Viewer's 16.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Quick STL Viewer sells 3 in-app purchases, starting at $0.99 per 7 days and STP Viewer 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 | Quick STL Viewer | STP Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (11 ratings)](https://appshunter.io/ios/app/quick-stl-viewer/id6761406893/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 44 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KEAT MEN TANG](https://appshunter.io/developer/1886302384) | [CODIGITAL SOLUTIONS](https://appshunter.io/developer/1829802387) |

## What reviewers say

### 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 | $0.99 | per 7 days |
| Pro Plan Yearly | $17.99 | per year |
| Quick STL Viewer Lifetime | $29.99 | one-time |


### STP Viewer

[App page](https://appshunter.io/ios/app/stp-viewer-step-3d/id6770497525)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access | $1.99 | per 7 days |
| Pro Access | $4.99 | per month |
| Pro Access | $9.99 | per year |


## Frequently asked questions

### Is Quick STL Viewer free?

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

### Is STP Viewer free?

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

### Do Quick STL Viewer or STP Viewer have ads?

Neither Quick STL Viewer nor STP Viewer 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.*