# Rivvy vs Workup by RadAnalyzer

The clearest difference is review sentiment: Workup by RadAnalyzer at 100% against Rivvy's 0%. Workup by RadAnalyzer also leads on rating (5.0 vs 1.0) and ads (none vs shown). Rivvy's advantage is in-app purchases (none vs 3) and update cadence (every 2 weeks vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Workup by RadAnalyzer sells 3 in-app purchases, starting at $2.99 per 7 days. Rivvy asks for nothing beyond the download.

Workup by RadAnalyzer holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 0% of Rivvy's written reviews are positive against 100% of Workup by RadAnalyzer's.

Rivvy ships an update every 2 weeks, Workup by RadAnalyzer every 5 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Rivvy | Workup by RadAnalyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/rivvy/id6443904127/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/workup-by-radanalyzer/id6760440746/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | **Ad-supported** | Subscription |
| Size | 119 MB | 52 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Novvia LLC](https://appshunter.io/developer/1402076437) | [RadAnalyzer LLC](https://appshunter.io/developer/1610036748) |

## What reviewers say

### Rivvy

[App page](https://appshunter.io/ios/app/rivvy/id6443904127)

Connect with other owners and enthusiasts of a specific electric vehicle brand. Track important vehicle details and discover more about your car. Engage in a community focused on shared interests.

**Highlights:** Vehicle detail tracking, Learn about your vehicle, Connect with other owners, Community interaction, Enthusiast engagement

**Features:** macOS Compatibility

**In-app purchases:** none


### Workup by RadAnalyzer

[App page](https://appshunter.io/ios/app/workup-by-radanalyzer/id6760440746)

This app provides AI-powered veterinary tools for cardiac assessment, kidney function prediction, and drug dosing. It includes clinical calculators, radiograph measurements, and client handouts, with offline access for drug information.

**Highlights:** AI-powered cardiac assessment, Kidney function prediction, Drug dose calculator (300+ drugs), VHS/VLAS radiograph measurement, Clinical calculator suite, Client handouts (PDF export), Dark mode support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Workup Pro (Weekly) | $2.99 | per 7 days |
| Workup Pro (Monthly) | $9.99 | per month |
| Workup Pro (Annual) | $99.99 | per year |


## Frequently asked questions

### Is Rivvy free?

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

### Is Workup by RadAnalyzer free?

Workup by RadAnalyzer is free to download, with in-app purchases available.

### Which has better reviews, Rivvy or Workup by RadAnalyzer?

Workup by RadAnalyzer is rated higher. Rivvy averages 1.0 out of 5 from 3 ratings, while Workup by RadAnalyzer averages 5.0 from 1 ratings.

### Do Rivvy or Workup by RadAnalyzer have ads?

Rivvy shows ads; Workup by RadAnalyzer does not.

### Which is updated more often, Rivvy or Workup by RadAnalyzer?

Rivvy ships an update every 2 weeks, and Workup by RadAnalyzer every 5 weeks. Most recently, Rivvy was updated on November 3, 2026 and Workup by RadAnalyzer on November 5, 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.*