# UC Davis BRD vs Community Chicken

The clearest difference is update cadence: Community Chicken at every 3 weeks against UC Davis BRD's every 8 months. UC Davis BRD's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, 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.

UC Davis BRD ships an update every 8 months, Community Chicken every 3 weeks. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | UC Davis BRD | Community Chicken |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/uc-davis-brd/id1189376374/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 100 MB | 3 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [University of California, Davis](https://appshunter.io/developer/356519286) | [UC Davis](https://appshunter.io/developer/1108346114) |

## What reviewers say

### UC Davis BRD

[App page](https://appshunter.io/ios/app/uc-davis-brd/id1189376374)

This tool aids veterinarians and producers in preventing and controlling pneumonia in pre-weaned dairy calves. It uses a validated scoring system to classify BRD predictors and stores results in a searchable database. Users can also estimate herd prevalence of BRD.

**Highlights:** Calf-side BRD scoring system, Predictor classification, Searchable results database, Herd prevalence estimation, Temperature unit switching, Email results option

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

**In-app purchases:** none


### Community Chicken

[App page](https://appshunter.io/ios/app/community-chicken/id1659969054)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UC Davis BRD free?

UC Davis BRD is free to download, with no in-app purchases.

### Is Community Chicken free?

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

### Do UC Davis BRD or Community Chicken have ads?

Neither UC Davis BRD nor Community Chicken shows ads.

### Which is updated more often, UC Davis BRD or Community Chicken?

UC Davis BRD ships an update every 8 months, and Community Chicken every 3 weeks. Most recently, UC Davis BRD was updated on October 14, 2026 and Community Chicken on October 12, 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.*