ContrastRx vs CTisus Pancreas Compendium
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.
CTisus Pancreas Compendium
This medical app offers a comprehensive guide to pancreatic tumors. It features a systematic checklist for mass etiology, a curated case review, and educational lectures with illustrations. Users can also test their diagnostic skills with quiz cases.
- Systematic checklist for pancreatic mass etiology
- Review of 2000+ pathologically proven cases
- Educational lectures on pancreatic tumors
- Illustrations of pancreatic anatomy and surgery
- Quiz cases for diagnostic testing
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This Application presents a complete analysis of pancreatic tumors by: 1. using a checklist to better define the etiology of a pancreatic mass in a systematic fashion with a detailed and proven pathway. 2. reviewing & select cases from the teaching file of over 2000 pathologically proven cases across a range of pancreatic pathologies. 3. reviewing a series of pearls on various pancreatic lesions. 4. listening to lectures about pancreatic tumors including lectures on solid and cystic pancreatic lesions. 5. reviewing a series of illustrations about pancreatic anatomy and surgeries used for management of pancreatic tumors. 6. review a series of quiz cases to test your ability at arriving at the correct diagnosis.
Screenshots
Verdict
The clearest difference is review sentiment: CTisus Pancreas Compendium at 100% against ContrastRx's 50%. CTisus Pancreas Compendium also leads on rating (5.0 vs 4.4). ContrastRx's advantage is update cadence (every 3 weeks vs every 26 months). On price, ratings volume, ads and in-app purchases 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.
CTisus Pancreas Compendium holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 9 and 7 respectively. Written reviews point the same way: 50% of ContrastRx's written reviews are positive against 100% of CTisus Pancreas Compendium's.
ContrastRx ships an update every 3 weeks, CTisus Pancreas Compendium every 26 months. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.
| Parameter | ContrastRx | CTisus Pancreas Compendium |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (9 ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 — better | 7 |
| Update frequency | Every 3 weeks — better | Every 26 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 67 MB |
| Age rating | 17+ | 17+ |
| Developer | Mayo Clinic | Elliot Fishman |
Customer experience
ContrastRx
CTisus Pancreas Compendium
In-app purchases
ContrastRx
No in-app purchases
CTisus Pancreas Compendium
No in-app purchases
Questions
Is ContrastRx free?
Is CTisus Pancreas Compendium free?
Which has better reviews, ContrastRx or CTisus Pancreas Compendium?
Do ContrastRx or CTisus Pancreas Compendium have ads?
Which is updated more often, ContrastRx or CTisus Pancreas Compendium?
Other comparisons
