Radio Interactive vs CTisus CT Quick Guides
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Radio Interactive
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Become the radiologist you aspire to be Learn smarter. Train deeper. Grow faster. For every level, in 18 languages. Radio Interactive gives you your personal AI Tutor, Trainer and Mentor — designed by radiologists, for radiologists. Train with authentic clinical cases, receive instant expert-level feedback, and master the skills that truly set you apart. Anytime. Anywhere. From medical student to specialist. Why radiologists train with us • Real clinical cases with high-resolution X-ray, CT and MRI • Adaptive AI tutoring — interactive, not passive • Free-text case discussions (no multiple choice) • Personalized learning paths — identify and close your gaps • Daily micro-learning — progress even on busy shifts • Made in Germany — medical accuracy, privacy and trust Learn radiology as it’s practiced • Make findings, write reports and justify your reasoning • Ask follow-up questions and explore topics in depth • Receive tailored feedback and helpful hints • Build diagnostic confidence case by case Your journey to radiologic excellence starts here. For medical students, residents and board-certified radiologists. No matter your goal — exam preparation, upskilling or career development — your AI mentor supports your learning, thinking and growth. Download now and unlock the potential of modern AI in radiology. Start for free. Go Pro if you want to.
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.
- Curated CT images
- Imaging pearls
- Clinical findings
- 17 topic sections
- Critical CT findings
- Etiology, epidemiology, presentation, prognosis
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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.
Screenshots
Verdict
The clearest difference is iOS requirement: Radio Interactive at 13.0 against CTisus CT Quick Guides's 16.6. On price, update cadence, 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.
Radio Interactive ships an update every 4 months, CTisus CT Quick Guides every 6 months. The most recent releases landed on September 14, 2026 and September 6, 2026 respectively.
| Parameter | Radio Interactive | CTisus CT Quick Guides |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 4 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 39 MB | 52 MB |
| Age rating | 17+ | 17+ |
| Developer | Radio Interactive GmbH | Elliot Fishman |
In-app purchases
Radio Interactive
No in-app purchases
CTisus CT Quick Guides
No in-app purchases
Questions
Is Radio Interactive free?
Is CTisus CT Quick Guides free?
Do Radio Interactive or CTisus CT Quick Guides have ads?
Which is updated more often, Radio Interactive or CTisus CT Quick Guides?
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