Comparison

CTisus CT Quick Guides vs Radcalc Reference

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CTisus CT Quick Guides

This medical reference app provides radiologists and other healthcare professionals with curated CT images, imaging pearls, and clinical findings across 17 diverse topics. Key information is organized into critical findings, etiology, epidemiology, presentation, and prognosis for each subject.

Highlights
  • Curated CT images
  • Imaging pearls
  • Clinical findings
  • 17 topic sections
  • Critical CT findings
  • Etiology, epidemiology, presentation, prognosis
Features
Read full description

CTisus CT Quick Guides is a unique application that combines select CT images with imaging pearls and important clinical findings across a range of topics important to the radiologist and other medical professionals. The topics are varied and divided into 17 unique sections ranging from the adrenal gland to the vascular system. In each section there are multiple topics ranging from infectious and inflammatory disease to oncology. In each section key information is divided into subsections including  the critical CT findings, etiology, epidemiology, presentation and prognosis. We will continue to expand these modules which have won praise from our users especially as they are shared on our social media pages. Please let us know what additional topics you would like covered and any feedback on how we can improve the application. We hope you find it an important educational experience.

About

Radcalc Reference

Features
Read full description

Radcalc is an offline-first reference tool for radiologists and imaging professionals. It brings together radiology calculators, incidental findings pathways, and tumor response criteria in a focused native app. Use calculator tools for orientation, browse condensed incidental-finding pathways, and review tumor-response criteria with cited references. All core content is bundled for offline access. Results and references are intended to support professional review, not replace clinical judgment. For educational and professional reference only. Radcalc is not a medical device and does not provide diagnosis or treatment. Verify results against the cited source guideline, local policy, and professional clinical judgment. Do not use for emergencies.

Screenshots

CTisus CT Quick Guides4 screens
Radcalc Reference3 screens

Verdict

The call

CTisus CT Quick Guides and Radcalc Reference are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
CTisus CT Quick Guides versus Radcalc Reference: the parameters behind the verdict, then further details
ParameterCTisus CT Quick GuidesRadcalc Reference
PriceFreeFree
Rating4.8 (6 ratings) — better—
Number of ratings6 — better—
Update frequencyEvery 6 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.1 — better
Further details — not scored
Size52 MB21 MB
Age rating17+17+
DeveloperElliot FishmanParikh Radiology, P.L.L.C.

In-app purchases

None

CTisus CT Quick Guides

No in-app purchases

None

Radcalc Reference

No in-app purchases

Questions

Is CTisus CT Quick Guides free?
CTisus CT Quick Guides is free to download, with no in-app purchases.
Is Radcalc Reference free?
Radcalc Reference is free to download, with no in-app purchases.
Do CTisus CT Quick Guides or Radcalc Reference have ads?
Neither CTisus CT Quick Guides nor Radcalc Reference shows ads.

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