# Viewport 3D vs Model Viewer | CAD Viewer

The clearest difference is rating: Model Viewer | CAD Viewer at 5.0 against Viewport 3D's 4.0. Viewport 3D's advantage is in-app purchases (none vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Model Viewer | CAD Viewer sells 2 in-app purchases, starting at $1.99 per month. Viewport 3D asks for nothing beyond the download.

Model Viewer | CAD Viewer holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Viewport 3D | Model Viewer | CAD Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/viewport-3d/id6777973275/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/model-viewer-cad-viewer/id6781777518/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | Free |
| Size | 47 MB | 12 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Amar Shinde](https://appshunter.io/developer/1896335477) | [Astonish Innovations](https://appshunter.io/developer/487194923) |

## What reviewers say

### Viewport 3D

[App page](https://appshunter.io/ios/app/viewport-3d/id6777973275)

This app allows artists to quickly open and inspect 3D models from various cloud storage services and local files. It offers professional viewing tools, animation playback, and augmented reality capabilities, all processed on-device for privacy.

**Highlights:** Open 3D models from cloud storage, Supports over 20+ 3D file formats, Professional inspection tools, Animation playback, Augmented Reality (AR) mode, On-device processing for privacy

**In-app purchases:** none


### Model Viewer | CAD Viewer

[App page](https://appshunter.io/ios/app/model-viewer-cad-viewer/id6781777518)

View and inspect 3D model files with ease. Import various formats, manipulate the view with intuitive controls, and access basic model information on a clear workspace.

**Highlights:** 3D model inspection, Import multiple file formats, Rotate, pan, and zoom controls, Toggle grid workspace, View basic model details

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Model Viewer Pro Monthly | $1.99 | per month |
| Model Viewer Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Viewport 3D free?

Viewport 3D is free to download, with no in-app purchases.

### Is Model Viewer | CAD Viewer free?

Model Viewer | CAD Viewer is free to download, with in-app purchases available.

### Which has better reviews, Viewport 3D or Model Viewer | CAD Viewer?

Model Viewer | CAD Viewer is rated higher. Viewport 3D averages 4.0 out of 5 from 2 ratings, while Model Viewer | CAD Viewer averages 5.0 from 1 ratings.

### Do Viewport 3D or Model Viewer | CAD Viewer have ads?

Neither Viewport 3D nor Model Viewer | CAD Viewer shows ads.

### Which is updated more often, Viewport 3D or Model Viewer | CAD Viewer?

Viewport 3D ships an update every 2 weeks, and Model Viewer | CAD Viewer every 2 weeks. Most recently, Viewport 3D was updated on October 31, 2026 and Model Viewer | CAD Viewer on October 31, 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.*