# UC Davis BRD vs ZukuReview

The clearest difference is rating: UC Davis BRD at 5.0 against ZukuReview's 1.0. UC Davis BRD also leads on in-app purchases (none vs 10) and ratings volume (3 vs 1). ZukuReview's advantage is update cadence (every 2 months vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. ZukuReview sells 10 one-off in-app purchases. UC Davis BRD asks for nothing beyond the download.

UC Davis BRD holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UC Davis BRD ships an update every 8 months, ZukuReview every 2 months. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | UC Davis BRD | ZukuReview |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/uc-davis-brd/id1189376374/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/zukureview/id1580807281/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 17.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 100 MB | 24 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [University of California, Davis](https://appshunter.io/developer/356519286) | [Zuku](https://appshunter.io/developer/1580807283) |

## 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


### ZukuReview

[App page](https://appshunter.io/ios/app/zukureview/id1580807281)

This educational app provides a comprehensive study companion for online courses, featuring practice questions with detailed answers, progress tracking, and expert-written notes. It aims to build user confidence and test-taking skills through timed exams and randomized answer choices.

**Highlights:** Referenced questions and detailed answers, Recycling missed questions, Mark key questions for review, Detailed progress statistics, Ready-made study plans, Distilled Top Topics notes, Timed tests for confidence building

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VTNE Zuku 45 Days | $199.99 | one-time |
| VTNE Zuku 3 Months | $229.99 | one-time |
| BCSE ZukuStandard 45 Days | $349.99 | one-time |
| Navle Zuku Standard 45 Days | $399.99 | one-time |
| BCSE ZukuStandard 3 Months | $399.99 | one-time |
| VTNE Zuku 6 Months | $399.99 | one-time |
| BCSE ZukuPremium 45 Days | $449.99 | one-time |
| BCSE ZukuStandard 6 Months | $449.99 | one-time |
| BCSE ZukuPremium 3 Months | $499.99 | one-time |
| BCSE ZukuPremium 6 Months | $599.99 | one-time |


## Frequently asked questions

### Is UC Davis BRD free?

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

### Is ZukuReview free?

ZukuReview is free to download, with in-app purchases available.

### Which has better reviews, UC Davis BRD or ZukuReview?

UC Davis BRD is rated higher. UC Davis BRD averages 5.0 out of 5 from 3 ratings, while ZukuReview averages 1.0 from 1 ratings.

### Do UC Davis BRD or ZukuReview have ads?

Neither UC Davis BRD nor ZukuReview shows ads.

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

UC Davis BRD ships an update every 8 months, and ZukuReview every 2 months. Most recently, UC Davis BRD was updated on September 28, 2026 and ZukuReview on September 24, 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.*