# Scan to CAD vs Quick3D CAD Viewer

The clearest difference is ads: Scan to CAD at none against Quick3D CAD Viewer's shown. Quick3D CAD Viewer's advantage is iOS requirement (18.6 vs 26.0). On price, update cadence, 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.

Scan to CAD ships an update daily, Quick3D CAD Viewer every 2 weeks. The most recent releases landed on October 29, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Scan to CAD | Quick3D CAD Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 2 weeks |
| Size | 29 MB | 28 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RETOUCH AI PTE.LTD.](https://appshunter.io/developer/6778639908) | [Ryo Tazaki](https://appshunter.io/developer/6814366399) |

## What reviewers say

### Scan to CAD

[App page](https://appshunter.io/ios/app/scan-to-cad-cad-reader/id6806238296)

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

**In-app purchases:** none


### Quick3D CAD Viewer

[App page](https://appshunter.io/ios/app/quick3d-cad-viewer/id6816122073)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scan to CAD free?

Scan to CAD is free to download, with no in-app purchases.

### Is Quick3D CAD Viewer free?

Quick3D CAD Viewer is free to download, with no in-app purchases.

### Do Scan to CAD or Quick3D CAD Viewer have ads?

Quick3D CAD Viewer shows ads; Scan to CAD does not.

### Which is updated more often, Scan to CAD or Quick3D CAD Viewer?

Scan to CAD ships an update daily, and Quick3D CAD Viewer every 2 weeks. Most recently, Scan to CAD was updated on October 29, 2026 and Quick3D CAD Viewer on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*