ContrastRx vs VizaView
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ContrastRx
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.
- Treatment regimens for contrast reactions
- Clinical descriptions and pictorial examples
- eGFR calculator
- Pediatric dose calculator
- Steroid pretreatment regimens
- Nephrogenic systemic fibrosis overview
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This app provides quick access to treatment regimens for potentially life-threatening reactions that can occur with iodine or gadolinium radiographic contrast. Included are clinical descriptions, pictorial examples, sound clips, and treatment regimens for the various types of reactions. Also included are a pediatric dose calculator, an eGFR calculator, a self-assessment module, pretreatment medication regimens, and an overview of nephrogenic systemic fibrosis.
VizaView
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VizaView is a Vizamyl™ case-based review application designed to enhance the case reading ability of trained imagers. This tool is intended for informational purposes only and is not a replacement or substitute for the required Vizamyl™ Reader Training Program. If you have clinical or scientific questions regarding the content of this app, please contact GE HealthCare at (800) 654-0118 (option 2, option 3) or via email medical.affairs@gehealthcare.com.
Screenshots
Verdict
The clearest difference is update cadence: ContrastRx at every 3 weeks against VizaView's every 31 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ContrastRx ships an update every 3 weeks, VizaView every 31 months. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.
| Parameter | ContrastRx | VizaView |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (9 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 3 weeks — better | Every 31 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 376 MB |
| Age rating | 17+ | 4+ |
| Developer | Mayo Clinic | GE HealthCare Technologies Inc |
In-app purchases
ContrastRx
No in-app purchases
VizaView
No in-app purchases
Questions
Is ContrastRx free?
Is VizaView free?
Do ContrastRx or VizaView have ads?
Which is updated more often, ContrastRx or VizaView?
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