ContrastRx vs SRU connect
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.
SRU connect
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SRU Connect is a conference app for the Society of Radiologists in Ultrasound’s (SRU) Annual Meeting. It is intended for registrants of the meeting to view the meeting’s program, exhibitors, connect with other attendees and receive notifications in real time about the meeting.
Screenshots
Verdict
The clearest difference is update cadence: ContrastRx at every 3 weeks against SRU connect's every 11 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, SRU connect every 11 months. The most recent releases landed on September 14, 2026 and September 12, 2026 respectively.
| Parameter | ContrastRx | SRU connect |
|---|---|---|
| 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 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 93 MB |
| Age rating | 17+ | 17+ |
| Developer | Mayo Clinic | Educational Symposia LLC |
In-app purchases
ContrastRx
No in-app purchases
SRU connect
No in-app purchases
Questions
Is ContrastRx free?
Is SRU connect free?
Do ContrastRx or SRU connect have ads?
Which is updated more often, ContrastRx or SRU connect?
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