# Document Scanner App vs STL Viewer

The clearest difference is ads: STL Viewer at none against Document Scanner App's shown. STL Viewer also leads on update cadence (every 8 days vs every 2 months) and iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Document Scanner App sells 1 one-off in-app purchase and STL Viewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Document Scanner App ships an update every 2 months, STL Viewer every 8 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Document Scanner App | STL Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 8 days** |
| Size | 8 MB | 39 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Jose Gerardo Palma Duran](https://appshunter.io/developer/1873843788) | [Mohamed Nagy](https://appshunter.io/developer/1582361271) |

## What reviewers say

### Document Scanner App

[App page](https://appshunter.io/ios/app/document-scanner-app/id6759180960)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is Document Scanner App free?

Document Scanner App is free to download, with in-app purchases available.

### Is STL Viewer free?

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

### Do Document Scanner App or STL Viewer have ads?

Document Scanner App shows ads; STL Viewer does not.

### Which is updated more often, Document Scanner App or STL Viewer?

Document Scanner App ships an update every 2 months, and STL Viewer every 8 days. Most recently, Document Scanner App was updated on October 24, 2026 and STL Viewer on October 25, 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.*