# EchoScript vs DWG, STL & 3D CAD File Viewer

The clearest difference is iOS requirement: EchoScript at 15.0 against DWG, STL & 3D CAD File Viewer's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. EchoScript sells 2 in-app purchases, starting at $14.99 per month and DWG, STL & 3D CAD File Viewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

EchoScript ships an update weekly, DWG, STL & 3D CAD File Viewer every 4 days. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | EchoScript | DWG, STL & 3D CAD File Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dwg-stl-and-3d-cad-file-viewer/id6793832526/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 80 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [CHRISTIAN ZARDINONI](https://appshunter.io/developer/1689653408) | [EUTOPIX LABS](https://appshunter.io/developer/1896294696) |

## What reviewers say

### EchoScript

[App page](https://appshunter.io/ios/app/echoscript/id6741110028)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EchoScript Plus - 1 Month | $14.99 | per month |
| EchoScript Plus - 12 Months | $89.99 | per year |


### DWG, STL & 3D CAD File Viewer

[App page](https://appshunter.io/ios/app/dwg-stl-and-3d-cad-file-viewer/id6793832526)

View and inspect various CAD file formats, including DWG, DXF, and 3D models, directly on your iPhone, iPad, or Mac. Offers private, local processing without uploads or ads, with AR capabilities and PDF report generation for Pro users.

**Highlights:** Open and inspect DWG, DXF, and 3D CAD files, Local file processing for privacy, Orbit, pan, and zoom 3D scenes, AR model placement on supported devices, Generate local PDF inspection reports, Supports STEP, IGES, STL, and OBJ formats

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CadRoam Pro Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is EchoScript free?

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

### Is DWG, STL & 3D CAD File Viewer free?

DWG, STL & 3D CAD File Viewer is free to download, with in-app purchases available.

### Do EchoScript or DWG, STL & 3D CAD File Viewer have ads?

Neither EchoScript nor DWG, STL & 3D CAD File Viewer shows ads.

### Which is updated more often, EchoScript or DWG, STL & 3D CAD File Viewer?

EchoScript ships an update weekly, and DWG, STL & 3D CAD File Viewer every 4 days. Most recently, EchoScript was updated on October 7, 2026 and DWG, STL & 3D CAD File Viewer on October 15, 2026.

---

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