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
This conference app allows registered attendees of the Society of Radiologists in Ultrasound’s Annual Meeting to access the meeting program, exhibitor information, and connect with other participants. It also provides real-time meeting notifications.
- View meeting program
- Exhibitor information
- Connect with attendees
- Real-time notifications
- Attendee networking
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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 rating: ContrastRx at 4.4 against SRU connect's 1.0. ContrastRx also leads on update cadence (every 3 weeks vs every 11 months) and ratings volume (9 vs 1). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 4.4 against 1.0. 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, SRU connect every 11 months. Both last shipped on November 3, 2026.
| Parameter | ContrastRx | SRU connect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (9 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 9 — better | 1 |
| Update frequency | Every 3 weeks — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | 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?
Which has better reviews, ContrastRx or SRU connect?
Do ContrastRx or SRU connect have ads?
Which is updated more often, ContrastRx or SRU connect?
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