# 3D Model Viewer vs OrthoViewer

The clearest difference is in-app purchases: OrthoViewer at none against 3D Model Viewer's 5. OrthoViewer also leads on ads (none vs shown) and update cadence (daily vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 3D Model Viewer sells 5 one-off in-app purchases. OrthoViewer asks for nothing beyond the download.

3D Model Viewer ships an update every 3 weeks, OrthoViewer daily. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 3D Model Viewer | OrthoViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (327 ratings)](https://appshunter.io/ios/app/3d-model-viewer-ar-view/id1105242878/reviews)** | — |
| Number of ratings | **327** | — |
| Positive reviews | 59.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 4 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [健 钟](https://appshunter.io/developer/1051588602) | [TAKASHI SEKIGAMI](https://appshunter.io/developer/1895362715) |

## What reviewers say

### 3D Model Viewer

[App page](https://appshunter.io/ios/app/3d-model-viewer-ar-view/id1105242878)

View and interact with various 3D model formats in both AR and 3D modes. This intuitive tool supports local and cloud documents, custom backgrounds, and shadow casting. Easily import models via multiple methods and share your creations.

**Highlights:** AR and 3D viewing modes, Supports numerous 3D file formats, Local and cloud document integration, Customizable backgrounds and shadows, Model information display (size, volume, etc.), Multiple import and sharing options

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Model & Screenshot Output | $1.99 | one-time |
| Background from Album | $1.99 | one-time |
| Large File Model | $1.99 | one-time |
| All Features | $5.99 | one-time |

**What reviewers like**

- 👍 Great for viewing 3D models
- 🚀 Fast model loading
- 🔒 Supports many file formats

**What reviewers complain about**

- 🐛 Frequent crashes and errors
- 💸 Intrusive ads and paywalls
- 🤯 Difficult to use interface
- 🚫 Cannot open large files without paying

**Reported bugs**

- App crashes when trying to delete models
- Cannot open .3mf and .glb files
- Texture and shading issues with some models

**Requested features**

- Add support for more 3D file formats
- Improve model rendering quality
- Implement better file management options
- Provide more customization and control over model view


### OrthoViewer

[App page](https://appshunter.io/ios/app/orthoviewer/id6774646415)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3D Model Viewer free?

3D Model Viewer is free to download, with in-app purchases available.

### Is OrthoViewer free?

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

### Do 3D Model Viewer or OrthoViewer have ads?

3D Model Viewer shows ads; OrthoViewer does not.

### Which is updated more often, 3D Model Viewer or OrthoViewer?

3D Model Viewer ships an update every 3 weeks, and OrthoViewer daily. Most recently, 3D Model Viewer was updated on November 1, 2026 and OrthoViewer on October 28, 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.*