# STL Viewer vs Gcode Viewer & Simulator

STL Viewer and Gcode Viewer & Simulator are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. STL Viewer sells 1 one-off in-app purchase and Gcode Viewer & Simulator sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | STL Viewer | Gcode Viewer & Simulator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Size | 39 MB | 38 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Mohamed Nagy](https://appshunter.io/developer/1582361271) | [CODIGITAL SOLUTIONS](https://appshunter.io/developer/1829802387) |

## What reviewers say

### STL Viewer

[App page](https://appshunter.io/ios/app/stl-viewer-3d-model-and-print/id6769513616)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $9.99 | one-time |


### Gcode Viewer & Simulator

[App page](https://appshunter.io/ios/app/gcode-viewer-and-simulator/id6813924146)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is STL Viewer free?

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

### Is Gcode Viewer & Simulator free?

Gcode Viewer & Simulator is free to download, with in-app purchases available.

### Do STL Viewer or Gcode Viewer & Simulator have ads?

Neither STL Viewer nor Gcode Viewer & Simulator 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.*