# STL File Viewer Pro vs KeyQ ColorLab

The clearest difference is in-app purchases: KeyQ ColorLab at none against STL File Viewer Pro's 3. KeyQ ColorLab also leads on ads (none vs shown). STL File Viewer Pro's advantage is chart position (#82 vs unranked). On price, device support and iOS requirement there is nothing between them.

Both are free to download. STL File Viewer Pro sells 3 in-app purchases, starting at $1.99 per 7 days. KeyQ ColorLab asks for nothing beyond the download.

## The numbers

| Metric | STL File Viewer Pro | KeyQ ColorLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (81 ratings)](https://appshunter.io/ios/app/stl-file-viewer-pro/id6741022143/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#82** | — |
| Size | 16 MB | 17 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andeesh Mehdi Syed](https://appshunter.io/developer/1676226599) | [KeyQ, Inc.](https://appshunter.io/developer/1508673206) |

## What reviewers say

### STL File Viewer Pro

[App page](https://appshunter.io/ios/app/stl-file-viewer-pro/id6741022143)

**Currently charting:** #82 Top Grossing · Developer Tools, #124 Top Free · Developer Tools (US App Store)

Easily view, rotate, and inspect 3D STL files on your iPhone or iPad. Load models instantly from various sources for 3D printing, design review, or engineering inspection.

**Highlights:** Instant STL file loading, Full 360° rotation and zoom, Sharp detail rendering, Light and dark mode support, Lightweight and fast performance, Open files from Files, email, AirDrop

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $3.99 | per month |
| Ad Free for 1 Year | $24.99 | per year |


### KeyQ ColorLab

[App page](https://appshunter.io/ios/app/keyq-colorlab/id6749516559)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STL File Viewer Pro free?

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

### Is KeyQ ColorLab free?

KeyQ ColorLab is free to download, with no in-app purchases.

### Do STL File Viewer Pro or KeyQ ColorLab have ads?

STL File Viewer Pro shows ads; KeyQ ColorLab does not.

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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.*