# ContrastRx vs ASHNR connect

The clearest difference is rating: ASHNR connect at 5.0 against ContrastRx's 4.4. ContrastRx's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (9 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ASHNR connect holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: ContrastRx has 9 ratings behind it against 1, so its average is the more settled of the two.

ContrastRx ships an update every 3 weeks, ASHNR connect every 2 months. The most recent releases landed on September 14, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | ContrastRx | ASHNR connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (9 ratings)](https://appshunter.io/ios/app/contrastrx/id619478666/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ashnr-connect/id6452084754/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 9 MB | 98 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Mayo Clinic](https://appshunter.io/developer/350350016) | [Educational Symposia LLC](https://appshunter.io/developer/1692543134) |

## What reviewers say

### ContrastRx

[App page](https://appshunter.io/ios/app/contrastrx/id619478666)

Provides quick access to treatment regimens for life-threatening reactions to radiographic contrast agents. Includes clinical descriptions, visual examples, and treatment protocols, along with helpful calculators and information on nephrogenic systemic fibrosis.

**Highlights:** Treatment regimens for contrast reactions, Clinical descriptions and pictorial examples, eGFR calculator, Pediatric dose calculator, Steroid pretreatment regimens, Nephrogenic systemic fibrosis overview

**Features:** Vision Pro support

**In-app purchases:** none


### ASHNR connect

[App page](https://appshunter.io/ios/app/ashnr-connect/id6452084754)

This conference app provides attendees with the full program, exhibitor information, and networking opportunities for the American Society of Head and Neck Radiology's Annual Meeting. Stay updated with real-time notifications and connect with fellow registrants.

**Highlights:** View meeting program, Exhibitor information, Connect with attendees, Real-time notifications, Attendee networking

**In-app purchases:** none


## Frequently asked questions

### Is ContrastRx free?

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

### Is ASHNR connect free?

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

### Which has better reviews, ContrastRx or ASHNR connect?

ASHNR connect is rated higher. ContrastRx averages 4.4 out of 5 from 9 ratings, while ASHNR connect averages 5.0 from 1 ratings.

### Do ContrastRx or ASHNR connect have ads?

Neither ContrastRx nor ASHNR connect shows ads.

### Which is updated more often, ContrastRx or ASHNR connect?

ContrastRx ships an update every 3 weeks, and ASHNR connect every 2 months. Most recently, ContrastRx was updated on September 14, 2026 and ASHNR connect on September 8, 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.*