# ContrastRx vs Quinsite

The clearest difference is review sentiment: ContrastRx at 50% against Quinsite's 0%. ContrastRx also leads on rating (4.4 vs 3.6) and update cadence (every 3 weeks vs every 2 months). Quinsite's advantage is iOS requirement (13.0 vs 16.6). On price, ratings volume, 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.

ContrastRx holds the better App Store score, 4.4 against 3.6. Both are backed by a comparable volume of ratings — 9 and 10 respectively. Written reviews point the same way: 50% of ContrastRx's written reviews are positive against 0% of Quinsite's.

ContrastRx ships an update every 3 weeks, Quinsite every 2 months. The most recent releases landed on September 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ContrastRx | Quinsite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/contrastrx/id619478666/reviews)** | [3.6 (10 ratings)](https://appshunter.io/ios/app/quinsite/id1378668264/reviews) |
| Number of ratings | 9 | **10** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 9 MB | 15 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Mayo Clinic](https://appshunter.io/developer/350350016) | [Quinsite, LLC](https://appshunter.io/developer/1378668263) |

## 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


### Quinsite

[App page](https://appshunter.io/ios/app/quinsite/id1378668264)

Access your organization's dashboards and reports securely on the go. This mobile app provides timely access to critical information, helping you make informed decisions with streamlined, personalized data insights.

**Highlights:** Secure mobile data access, Dashboards and reports, Informed decision-making tools, Personalized information, Streamlined mobile interface, Advanced analytics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ContrastRx free?

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

### Is Quinsite free?

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

### Which has better reviews, ContrastRx or Quinsite?

ContrastRx is rated higher. ContrastRx averages 4.4 out of 5 from 9 ratings, while Quinsite averages 3.6 from 10 ratings.

### Do ContrastRx or Quinsite have ads?

Neither ContrastRx nor Quinsite shows ads.

### Which is updated more often, ContrastRx or Quinsite?

ContrastRx ships an update every 3 weeks, and Quinsite every 2 months. Most recently, ContrastRx was updated on September 14, 2026 and Quinsite on September 18, 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.*