# GAMMA AR vs Viewer 360

The clearest difference is review sentiment: GAMMA AR at 86% against Viewer 360's 0%. GAMMA AR also leads on rating (4.6 vs 3.0) and ratings volume (8 vs 2). Viewer 360's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GAMMA AR holds the better App Store score, 4.6 against 3.0. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews point the same way: 86% of GAMMA AR's written reviews are positive against 0% of Viewer 360's.

GAMMA AR ships an update every 2 weeks, Viewer 360 fortnightly. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | GAMMA AR | Viewer 360 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/gamma-ar/id1298017298/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/viewer-360/id1332241273/reviews) |
| Number of ratings | **8** | 2 |
| Positive reviews | **85.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free | Free |
| Size | 384 MB | 14 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GAMMA Technologies](https://appshunter.io/developer/1495307075) | [KP Phillips](https://appshunter.io/developer/385456842) |

## What reviewers say

### GAMMA AR

[App page](https://appshunter.io/ios/app/gamma-ar/id1298017298)

Visualize 3D BIM models on construction sites using augmented reality. Compare real-world conditions with plans, detect errors early, and improve communication between site and office. Streamline workflows and reduce costs.

**Highlights:** Augmented reality BIM overlay, On-site construction monitoring, Error detection and prevention, Digital communication channels, Integration with Autodesk, Procore, BIMCollab, BIM model synchronization

**Features:** Vision Pro support

**In-app purchases:** none


### Viewer 360

[App page](https://appshunter.io/ios/app/viewer-360/id1332241273)

Access A360, BIM360, and Fusion 360 files, projects, and folders. View element properties, metadata, and published 2D/3D views. Requires API access setup for BIM360 hubs.

**Highlights:** Access A360, BIM360, Fusion 360 Hubs, View Element Properties, View File Metadata, Access Published 2D and 3D views, Integrated Autodesk Forge Viewer, 2D Viewer Tagging

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

**In-app purchases:** none


## Frequently asked questions

### Is GAMMA AR free?

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

### Is Viewer 360 free?

Viewer 360 is free to download, with no in-app purchases.

### Which has better reviews, GAMMA AR or Viewer 360?

GAMMA AR is rated higher. GAMMA AR averages 4.6 out of 5 from 8 ratings, while Viewer 360 averages 3.0 from 2 ratings.

### Do GAMMA AR or Viewer 360 have ads?

Neither GAMMA AR nor Viewer 360 shows ads.

### Which is updated more often, GAMMA AR or Viewer 360?

GAMMA AR ships an update every 2 weeks, and Viewer 360 fortnightly. Most recently, GAMMA AR was updated on October 24, 2026 and Viewer 360 on October 14, 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.*