# CBRNResponder vs TRANSCAER AR Model Viewer

The clearest difference is rating: TRANSCAER AR Model Viewer at 5.0 against CBRNResponder's 4.5. TRANSCAER AR Model Viewer also leads on iOS requirement (12.0 vs 15.6). CBRNResponder's advantage is ratings volume (6 vs 1). 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.

TRANSCAER AR Model Viewer holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: CBRNResponder has 6 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | CBRNResponder | TRANSCAER AR Model Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (6 ratings)](https://appshunter.io/ios/app/cbrnresponder/id1540310984/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/transcaer-ar-model-viewer/id1638188563/reviews)** |
| Number of ratings | **6** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | Free |
| Size | 27 MB | 113 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Attainx Inc.](https://appshunter.io/developer/1403638152) | [GHD Limited](https://appshunter.io/developer/1438039937) |

## What reviewers say

### CBRNResponder

[App page](https://appshunter.io/ios/app/cbrnresponder/id1540310984)

This app offers free tools for logging, transmitting, storing, and analyzing environmental monitoring data. It provides a secure cloud environment for user data access and requires registration for full functionality.

**Highlights:** Environmental data logging, Data transmission capabilities, Secure cloud data storage, Data analysis tools, Data presentation features

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

**In-app purchases:** none


### TRANSCAER AR Model Viewer

[App page](https://appshunter.io/ios/app/transcaer-ar-model-viewer/id1638188563)

Explore hazardous material emergency response training with an augmented reality model viewer. Visualize rupture discs, protective housings, and various tank car models with integrated information.

**Highlights:** Augmented reality visualization, Hazardous material models, Rupture disc viewer, Protective housing viewer, DOT 117 handle visualization, DOT 105 chlorine tank car model

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CBRNResponder free?

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

### Is TRANSCAER AR Model Viewer free?

TRANSCAER AR Model Viewer is free to download, with no in-app purchases.

### Which has better reviews, CBRNResponder or TRANSCAER AR Model Viewer?

TRANSCAER AR Model Viewer is rated higher. CBRNResponder averages 4.5 out of 5 from 6 ratings, while TRANSCAER AR Model Viewer averages 5.0 from 1 ratings.

### Do CBRNResponder or TRANSCAER AR Model Viewer have ads?

Neither CBRNResponder nor TRANSCAER AR Model Viewer shows ads.

### Which is updated more often, CBRNResponder or TRANSCAER AR Model Viewer?

CBRNResponder ships an update weekly, and TRANSCAER AR Model Viewer weekly. Most recently, CBRNResponder was updated on October 24, 2026 and TRANSCAER AR Model Viewer on October 13, 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.*