# NORO vs 3D Model Viewer

The clearest difference is review sentiment: NORO at 100% against 3D Model Viewer's 59%. NORO also leads on in-app purchases (none vs 5) and ads (none vs shown). 3D Model Viewer's advantage is update cadence (every 3 weeks vs every 66 months). On price and device support there is nothing between them.

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

NORO ships an update every 66 months, 3D Model Viewer every 3 weeks. The most recent releases landed on August 12, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | NORO | 3D Model Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (328 ratings)](https://appshunter.io/ios/app/3d-model-viewer-ar-view/id1105242878/reviews)** |
| Number of ratings | — | **328** |
| Positive reviews | **100.0% of reviews** | 59.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 66 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 52 MB | 28 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [NORO GmbH](https://appshunter.io/developer/901278858) | [健 钟](https://appshunter.io/developer/1051588602) |

## What reviewers say

### NORO

[App page](https://appshunter.io/ios/app/noro/id901278855)

Access 3D CAD data for a standard product range of pipes, mouldings, and distribution systems. Engineers and project managers can view models for steel and chromium-nickel steel components directly on mobile devices.

**Highlights:** 3D CAD data access, Standard product range, Pipes, mouldings, distribution systems, Steel and chromium-nickel steel, Compatible with major CAD systems, Mobile device access

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is NORO free?

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

### Is 3D Model Viewer free?

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

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

3D Model Viewer shows ads; NORO does not.

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

NORO ships an update every 66 months, and 3D Model Viewer every 3 weeks. Most recently, NORO was updated on August 12, 2026 and 3D Model Viewer on September 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.*