# Johne's Risk Assessor vs ACVIM

The clearest difference is price: ACVIM at Free against Johne's Risk Assessor's $4.99. ACVIM also leads on device support (3 vs 1). Johne's Risk Assessor's advantage is iOS requirement (12.1 vs 15.5). On update cadence, ads and in-app purchases there is nothing between them.

ACVIM is free to download; Johne's Risk Assessor costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Johne's Risk Assessor ships an update every 9 months, ACVIM every 11 months. The most recent releases landed on September 28, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Johne's Risk Assessor | ACVIM |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[4.4 (140 ratings)](https://appshunter.io/ios/app/acvim/id1382388134/reviews)** |
| Number of ratings | — | **140** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 11 months |
| Monetization | — | Free |
| Size | 10 MB | 94 MB |
| Requires iOS | **12.1** | 15.5 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [University of Wisconsin - Madison School of Veterinary Medicine](https://appshunter.io/developer/871872159) | [American College of Veterinary Internal Medicine, Inc.](https://appshunter.io/developer/1382388133) |

## What reviewers say

### Johne's Risk Assessor

[App page](https://appshunter.io/ios/app/johnes-risk-assessor/id938353605)

**Features:** macOS Compatibility

**In-app purchases:** none


### ACVIM

[App page](https://appshunter.io/ios/app/acvim/id1382388134)

This app provides conference attendees with access to schedules, presentations, posters, and exhibitor information. Users can take notes, message colleagues, and share details via social media or email.

**Highlights:** View conference schedule, Access presentations and posters, Exhibitor and speaker details, Take notes on content, In-app messaging, Share information via email and social media

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

**In-app purchases:** none


## Frequently asked questions

### Is Johne's Risk Assessor free?

Johne's Risk Assessor costs $4.99, with no in-app purchases.

### Is ACVIM free?

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

### Do Johne's Risk Assessor or ACVIM have ads?

Neither Johne's Risk Assessor nor ACVIM shows ads.

### Which is updated more often, Johne's Risk Assessor or ACVIM?

Johne's Risk Assessor ships an update every 9 months, and ACVIM every 11 months. Most recently, Johne's Risk Assessor was updated on September 28, 2026 and ACVIM 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.*