Comparison

CTisus iPearls vs RadCase

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

Head to head
About

CTisus iPearls

This app provides diagnostic radiologists with valuable insights and facts, known as "pearls," to aid in correct diagnoses and understanding of radiologic images. It organizes these pearls across 28 popular categories and includes a search feature for easy access to thousands of pieces of knowledge.

Highlights
  • Diagnostic radiology pearls
  • Thousands of insights
  • 28 popular categories
  • Search functionality
  • Radiologic image understanding
Features
Read full description

To most people, pearls are considered precious gems, and are among the most popular jewels in the world. It should not be surprising that physicians consider a priceless bit of knowledge about their specialty a "pearl". For the diagnostic radiologist, a pearl may be the formerly elusive insight or fact that paves the way for a correct diagnosis or deeper understanding of a radiologic image. A traditional component of radiology education, pearls are considered on a par with elements such as the teaching file or lecture series. Pearls have also been a mainstay of www.CTISUS.com, where we post approximately 150 to 300 new pearls each month. In this app, we present pearls across 29 of the most popular categories derived from the literature or our imaging experiences. The app also provides a search feature to enhance user interactivity. We look forward to sharing these new insights with you on the latest version where we present literally thousands of pearls.

About

RadCase

Features
Read full description

RadCase helps radiology residents, fellows, medical students, and radiologists review imaging cases and practice their knowledge. Explore 547 cases across radiology topics, with source images, findings, differential diagnoses, teaching points, and references. The library includes cases for image review as well as cases used in quizzes. Make each study session your own: - Browse and search cases by topic, modality, and difficulty. - Practice with case-based quizzes and noninterpretive skills questions. - Bookmark cases and revisit explanations and teaching points. - Track quiz results and learning progress on your device. - Download supported case images for later offline review. An internet connection is needed for downloads and external references. No account is required. Learning progress stays on your device. Optional diagnostic reporting is off until you choose to enable it. RadCase is for education only. It is not intended to diagnose, treat, triage, or guide care for any patient.

Screenshots

CTisus iPearls4 screens
RadCase1 screens

Verdict

The call

The clearest difference is update cadence: RadCase at monthly against CTisus iPearls's every 6 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

CTisus iPearls ships an update every 6 months, RadCase monthly. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

Scorecard1 real difference · 9 level
CTisus iPearls versus RadCase: the parameters behind the verdict, then further details
ParameterCTisus iPearlsRadCase
PriceFreeFree
Rating4.6 (39 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings39 — better—
Update frequencyEvery 6 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size137 MB160 MB
Age rating17+17+
DeveloperElliot FishmanParikh Radiology, P.L.L.C.

In-app purchases

None

CTisus iPearls

No in-app purchases

None

RadCase

No in-app purchases

Questions

Is CTisus iPearls free?
CTisus iPearls is free to download, with no in-app purchases.
Is RadCase free?
RadCase is free to download, with no in-app purchases.
Do CTisus iPearls or RadCase have ads?
Neither CTisus iPearls nor RadCase shows ads.
Which is updated more often, CTisus iPearls or RadCase?
CTisus iPearls ships an update every 6 months, and RadCase monthly. Most recently, CTisus iPearls was updated on October 8, 2026 and RadCase on October 3, 2026.

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