# STL Viewer vs Unetrack Rastreamento Veicular

The clearest difference is price: Unetrack Rastreamento Veicular at Free against STL Viewer's $0.99. Unetrack Rastreamento Veicular also leads on update cadence (every 2 months vs every 43 months). STL Viewer's advantage is chart position (#130 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Unetrack Rastreamento Veicular is free to download; STL Viewer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

STL Viewer ships an update every 43 months, Unetrack Rastreamento Veicular every 2 months. The most recent releases landed on October 19, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | STL Viewer | Unetrack Rastreamento Veicular |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#130** | — |
| Size | 4 MB | 109 MB |
| Requires iOS | 17.0 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Felipe Marques de Barros](https://appshunter.io/developer/1459294806) | [Felipe Roberto Zanatte Werle](https://appshunter.io/developer/1715657511) |

## What reviewers say

### STL Viewer

[App page](https://appshunter.io/ios/app/stl-viewer/id6445801487)

**Currently charting:** #130 Top Paid · Productivity (US App Store)

Visualize e inspecione modelos 3D STL em seu dispositivo. Oferece ferramentas avançadas para medição, análise de malha e geração de relatórios PDF. Ideal para engenharia, impressão 3D e revisão técnica.

**Highlights:** Multitouch rotation, pan, and zoom, Wireframe, X-Ray, and normal orientation modes, Precise point-to-point measurement, Interactive cutting plane, Mesh health diagnostics, Generate PDF technical reports

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

**In-app purchases:** none


### Unetrack Rastreamento Veicular

[App page](https://appshunter.io/ios/app/unetrack-rastreamento-veicular/id6471587065)

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

**In-app purchases:** none


## Frequently asked questions

### Is STL Viewer free?

STL Viewer costs $0.99, with no in-app purchases.

### Is Unetrack Rastreamento Veicular free?

Unetrack Rastreamento Veicular is free to download, with no in-app purchases.

### Do STL Viewer or Unetrack Rastreamento Veicular have ads?

Neither STL Viewer nor Unetrack Rastreamento Veicular shows ads.

### Which is updated more often, STL Viewer or Unetrack Rastreamento Veicular?

STL Viewer ships an update every 43 months, and Unetrack Rastreamento Veicular every 2 months. Most recently, STL Viewer was updated on October 19, 2026 and Unetrack Rastreamento Veicular on September 21, 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.*