# PowerTec Telecomunicações vs STL Viewer

The clearest difference is update cadence: PowerTec Telecomunicações at every 11 months against STL Viewer's every 43 months. PowerTec Telecomunicações also leads on iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PowerTec Telecomunicações ships an update every 11 months, STL Viewer every 43 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PowerTec Telecomunicações | STL Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 43 months |
| Size | 60 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rafael Machado](https://appshunter.io/developer/1400606916) | [Felipe Marques de Barros](https://appshunter.io/developer/1459294806) |

## What reviewers say

### PowerTec Telecomunicações

[App page](https://appshunter.io/ios/app/powertec-telecomunicacoes/id1567948506)

**Features:** macOS Compatibility

**In-app purchases:** none


### STL Viewer

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

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

**In-app purchases:** none


## Frequently asked questions

### Is PowerTec Telecomunicações free?

PowerTec Telecomunicações is free to download, with no in-app purchases.

### Is STL Viewer free?

STL Viewer is free to download, with no in-app purchases.

### Do PowerTec Telecomunicações or STL Viewer have ads?

Neither PowerTec Telecomunicações nor STL Viewer shows ads.

### Which is updated more often, PowerTec Telecomunicações or STL Viewer?

PowerTec Telecomunicações ships an update every 11 months, and STL Viewer every 43 months. Most recently, PowerTec Telecomunicações was updated on October 14, 2026 and STL Viewer on October 8, 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.*