# ASM Pocket vs STL Viewer

The clearest difference is price: ASM Pocket at Free against STL Viewer's $0.99. ASM Pocket also leads on in-app purchases (none vs 5) and iOS requirement (13.0 vs 17.0). STL Viewer's advantage is update cadence (every 6 weeks vs every 25 months) and chart position (#188 vs unranked). On ads and device support there is nothing between them.

ASM Pocket is free to download; STL Viewer costs $0.99 up front. STL Viewer sells 5 in-app purchases, starting at $2.99 per month. ASM Pocket asks for nothing beyond the download.

ASM Pocket ships an update every 25 months, STL Viewer every 6 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ASM Pocket | STL Viewer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stl-viewer-3d-print-and-mesh/id6445801487/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#188** |
| Size | 31 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pfeiffer Vacuum GmbH](https://appshunter.io/developer/445843155) | [Felipe Marques de Barros](https://appshunter.io/developer/1459294806) |

## What reviewers say

### ASM Pocket

[App page](https://appshunter.io/ios/app/asm-pocket/id982140994)

**Features:** macOS Compatibility

**In-app purchases:** none


### STL Viewer

[App page](https://appshunter.io/ios/app/stl-viewer-3d-print-and-mesh/id6445801487)

**Currently charting:** #188 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 (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STL Viewer Pro Mensal | $2.99 | per month |
| STL Viewer Studio Mensal | $5.99 | per month |
| STL Viewer Pro Anual | $22.99 | per year |
| STL Viewer Studio Anual | $49.99 | per year |
| STL Viewer Pro Vitalício | $39.99 | one-time |


## Frequently asked questions

### Is ASM Pocket free?

ASM Pocket is free to download, with no in-app purchases.

### Is STL Viewer free?

STL Viewer costs $0.99, and also offers in-app purchases.

### Do ASM Pocket or STL Viewer have ads?

Neither ASM Pocket nor STL Viewer shows ads.

### Which is updated more often, ASM Pocket or STL Viewer?

ASM Pocket ships an update every 25 months, and STL Viewer every 6 weeks. Most recently, ASM Pocket was updated on October 29, 2026 and STL Viewer on October 30, 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.*