Comparison

Rad Quiz vs Clinical Tree

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

Head to head
About

Rad Quiz

Expand your medical imaging knowledge with this educational app. It features 20-question quizzes covering X-Ray, CT, and MRI, helping you identify strengths and weaknesses. Utilize the references tab to review missed cases across various specialties.

Highlights
  • 20-question quizzes
  • Tests X-Ray, CT, and MRI modalities
  • Identifies strengths and weaknesses
  • References tab for missed cases
  • Content across multiple specialties
  • Future updates planned
Features
Read full description

Rad Quiz is a free app developed as an introductory educational tool to expand your knowledge of medical imaging! Take our 20 question quizzes and evaluate your areas of strength and weakness. The quizzes test out three imaging modalities including X-Ray, CT, and MRI. To learn more use our References tab to read up on the cases you missed. The content spans multiple specialties to give you variety of content! Future Updates with more quizzes and tests to come!

About

Clinical Tree

Access a vast medical knowledge base with quick answers to health questions. Explore detailed information on symptoms, diseases, and treatments across numerous clinical specialties. Stay updated with daily new content and specialized databases.

Highlights
  • Instant medical answer search
  • Information on symptoms and treatments
  • Daily updated articles and videos
  • Over 1,000,000 specialized databases
  • Covers numerous clinical specialties
  • Aids students and teachers
Features
Read full description

***Clinical Tree - Lead medical answers*** Get quick and accurate answers to your medical questions with our comprehensive database. Stay informed about symptoms, diseases, treatments, and more. Explore our extensive collection of articles, videos, and interactive tools to deepen your understanding of the medical specialties such as radiology, dentistry, musculoskeletal, gastroenterology, thoracic, obstetrics, nephrology, neurology, psychiatry, otolaryngology, ophthalmology, plastic surgery, veterinary, mursing, oncology, anesthesiology... Key Features: • Instantly search for medical answers • Find information on symptoms, treatments, and preventive measures in clinical specialties • Update every day the best and the lastest articles, books, journals, clinical cases, images, videos... • More than 1.000.000 specialized databases, including gastrointestinal, emergency, cardiovascular, musculoskeletal, radiographic anatomy, breast, MRI, chest, ultrasonography, CT , nuclear medicine, pediatric, genitourinary, FRCR, interventional radiology, neurological, head & neck... • Not only we help students quickly and comprehensively access all clinical knowledge but also help teachers prepare lectures easily.

Screenshots

Rad Quiz4 screens
Clinical Tree4 screens

Verdict

The call

The clearest difference is in-app purchases: Rad Quiz at none against Clinical Tree's 10. Rad Quiz also leads on review sentiment (100% vs 80%) and iOS requirement (9.0 vs 13.0). On price, rating, ratings volume and update cadence 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. Clinical Tree sells 10 one-off in-app purchases. Rad Quiz asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Rad Quiz against 5.0 for Clinical Tree. Both are backed by a comparable volume of ratings — 12 and 7 respectively. Written reviews are what separate them: 100% of Rad Quiz's written reviews are positive against 80% of Clinical Tree's.

UpkeepUpdate frequency

Rad Quiz ships an update every 3 weeks, Clinical Tree monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 6 level
Rad Quiz versus Clinical Tree: the parameters behind the verdict, then further details
ParameterRad QuizClinical Tree
PriceFreeFree
Rating5.0 (12 ratings)5.0 (7 ratings)
Positive reviews100.0% of reviews — better80.0% of reviews
Number of ratings12 — better7
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size34 MB83 MB
Age rating17+12+
DeveloperStephen ShenoudaDuc Nguyen

Customer experience

Rad Quiz

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Clinical Tree

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

None

Rad Quiz

No in-app purchases

10 purchases

Clinical Tree

One-time10
  • Single 9 package$8.99
  • Single 15 package$14.99
  • 6 month package$19.99
Show 7 more
  • Single 19 package$19.99
  • Single 25 package$24.99
  • 1 year package$29.99
  • Tzu N package$29.99
  • Tne N package$39.99
  • Nne N package$99.99
  • Lifetime package$99.99

Questions

Is Rad Quiz free?
Rad Quiz is free to download, with no in-app purchases.
Is Clinical Tree free?
Clinical Tree is free to download, with in-app purchases available.
Which has better reviews, Rad Quiz or Clinical Tree?
Rad Quiz and Clinical Tree are both rated 5.0 out of 5 on the App Store, from 12 and 7 ratings respectively.
Do Rad Quiz or Clinical Tree have ads?
Neither Rad Quiz nor Clinical Tree shows ads.
Which is updated more often, Rad Quiz or Clinical Tree?
Rad Quiz ships an update every 3 weeks, and Clinical Tree monthly. Most recently, Rad Quiz was updated on October 24, 2026 and Clinical Tree on October 27, 2026.

Other comparisons