# STL Viewer vs GCode Compare

The clearest difference is in-app purchases: GCode Compare at none against STL Viewer's 1. STL Viewer's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. STL Viewer sells 1 one-off in-app purchase. GCode Compare asks for nothing beyond the download.

## The numbers

| Metric | STL Viewer | GCode Compare |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Size | 39 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 12+ | 4+ |
| Developer | [Mohamed Nagy](https://appshunter.io/developer/1582361271) | [Elliot Williams](https://appshunter.io/developer/991432050) |

## 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 | $12.99 | one-time |


### GCode Compare

[App page](https://appshunter.io/ios/app/gcode-compare/id6780356159)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is STL Viewer free?

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

### Is GCode Compare free?

GCode Compare is free to download, with no in-app purchases.

### Do STL Viewer or GCode Compare have ads?

Neither STL Viewer nor GCode Compare 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.*