# 3D Model Viewer vs Field Atlas

The clearest difference is in-app purchases: Field Atlas at none against 3D Model Viewer's 5. Field Atlas also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). 3D Model Viewer's advantage is update cadence (every 3 weeks vs every 2 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. Field Atlas asks for nothing beyond the download.

3D Model Viewer ships an update every 3 weeks, Field Atlas every 2 months. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 3D Model Viewer | Field Atlas |
| --- | --- | --- |
| 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 | 59.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 18 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [健 钟](https://appshunter.io/developer/1051588602) | [Jongsun Park](https://appshunter.io/developer/1729543606) |

## What reviewers say

### 3D Model Viewer

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

View and inspect various 3D models with advanced features like AR viewing, exploded assemblies, and animation playback. Supports a wide range of file formats and offers cloud integration for easy document management.

**Highlights:** AR and 3D viewing modes, Animation preview, Exploded assembly view, Extensive file format support, Cloud document management, Model data inspection

**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


### Field Atlas

[App page](https://appshunter.io/ios/app/field-atlas/id6764784176)

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

**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 Field Atlas free?

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

### Do 3D Model Viewer or Field Atlas have ads?

3D Model Viewer shows ads; Field Atlas does not.

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

3D Model Viewer ships an update every 3 weeks, and Field Atlas every 2 months. Most recently, 3D Model Viewer was updated on November 6, 2026 and Field Atlas 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.*