Comparison

CTisus iQuiz 26 vs Thoracic Lymph Node Map

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

Head to head
About

CTisus iQuiz 26

This application offers a classic quiz format for radiology education, utilizing images, text, and sound to enhance learning. It features over 1800 cases across 15 categories, including case-specific insights and audio discussions.

Highlights
  • Over 1800 radiology cases
  • 15 different learning categories
  • Case-specific pearls
  • Audio discussion of cases
  • Image, text, and sound integration
  • Easy-to-use interface
Features
Read full description

One of the classic formats for learning radiology has always been the quiz.In this application we provide you with our latest innovation in CT education taking advantage of the iPad and iPhone. It's unique capabilities provide an easy to use environment that combines images , text and sound to enhance the learning experience. Over 1800 cases in 15 different categories that include case specific pearls and an audio discussion of the case.

About

Thoracic Lymph Node Map

This clinical decision-support tool helps healthcare professionals evaluate and locate thoracic lymph node stations on CT scans. It offers a color-coded map with definitions, N-category information, and sampling options, adapted from IASLC guidelines.

Highlights
  • Color-coded IASLC lymph node map
  • Anatomic definitions and N-category info
  • CT-based station overlays
  • Station detail cards
  • Common issues insights
  • Offline access
Features
Read full description

Thoracic Lymph Node Map is a clinical decision-support reference that streamlines the evaluation and localization of thoracic lymph node stations on CT. Adapted from the International Association for the Study of Lung Cancer (IASLC) lung cancer project, the app provides a clear, color-coded map of mediastinal, low cervical, and hilar lymph node stations with concise anatomic definitions, N-category information, and sampling options—right at the point of care. Version 4.0 has been rebuilt from the ground up and optimized for iOS 26, featuring a modern, responsive interface designed for radiologists, pulmonologists, oncologists, surgeons, and any health care professional interpreting chest imaging. The app is provided entirely free of charge, with no ads, no subscriptions, and no in-app purchases. --- Key Features IASLC Thoracic Lymph Node Map Integration • Color-coded map adapted from the IASLC lung cancer project • Clear station labels (1–14) with concise anatomic definitions CT-Based Station Overlays • Navigate representative axial CT images of the thorax • Visualize how each lymph node station relates to key mediastinal structures Station Detail Cards • N-category classification (N1/N2/N3) for every station • Common sampling options at a glance • Precise upper, lower, and lateral/anterior/posterior boundaries Common Issues Insights • High-yield clarifications for frequently confused stations • Guidance on distinguishing 4 vs 10, 1 vs 2/3, and more • Aid in aligning CT interpretation with IASLC definitions Enhanced Readability • Support for Dark Mode and Dynamic Type • Clean, distraction-free layout optimized for both iPhone and iPad Offline Access • All data available offline—no login, no network, no server required Requirements • iPhone or iPad running iOS / iPadOS 16.6 or later • Fully optimized for iOS 26 Pricing Thoracic Lymph Node Map is developed and maintained by radiologists. It is provided as a free resource for the medical community, with no advertisements and no subscription required. Medical Disclaimer: This app is for informational purposes only and is not a substitute for professional medical advice. In addition to using this app, always consult a qualified healthcare provider for diagnosis and treatment decisions. Privacy Policy: https://radiologiq.squarespace.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CTisus iQuiz 264 screens
Thoracic Lymph Node Map4 screens

Verdict

The call

CTisus iQuiz 26 and Thoracic Lymph Node Map both sit at 4.8 stars, but that hides the real split: 100% of Thoracic Lymph Node Map's written reviews are positive against 80% of CTisus iQuiz 26's. CTisus iQuiz 26's advantage is ratings volume (116 vs 25). On price, rating, update cadence and ads 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for CTisus iQuiz 26 against 4.8 for Thoracic Lymph Node Map. Both are backed by a comparable volume of ratings — 116 and 25 respectively. Written reviews are what separate them: 80% of CTisus iQuiz 26's written reviews are positive against 100% of Thoracic Lymph Node Map's.

UpkeepUpdate frequency

CTisus iQuiz 26 ships an update every 4 months, Thoracic Lymph Node Map every 7 months. The most recent releases landed on October 16, 2026 and September 28, 2026 respectively.

Scorecard2 real differences · 8 level
CTisus iQuiz 26 versus Thoracic Lymph Node Map: the parameters behind the verdict, then further details
ParameterCTisus iQuiz 26Thoracic Lymph Node Map
PriceFreeFree
Rating4.8 (116 ratings)4.8 (25 ratings)
Positive reviews80.0% of reviews100.0% of reviews — better
Number of ratings116 — better25
Update frequencyEvery 4 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.5 — better16.6
Further details — not scored
Size238 MB128 MB
Age rating17+12+
DeveloperElliot FishmanRADIOLOGiQ, LLC

Customer experience

CTisus iQuiz 26

All ratings116 ratings
Positive94.0%
Neutral3.4%
Negative2.6%
Written reviews15 reviews
Positive80.0%
Neutral6.7%
Negative13.3%

Thoracic Lymph Node Map

All ratings25 ratings
Positive96.0%
Neutral0.0%
Negative4.0%
Written reviews18 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CTisus iQuiz 26

No in-app purchases

None

Thoracic Lymph Node Map

No in-app purchases

Questions

Is CTisus iQuiz 26 free?
CTisus iQuiz 26 is free to download, with no in-app purchases.
Is Thoracic Lymph Node Map free?
Thoracic Lymph Node Map is free to download, with no in-app purchases.
Which has better reviews, CTisus iQuiz 26 or Thoracic Lymph Node Map?
CTisus iQuiz 26 and Thoracic Lymph Node Map are both rated 4.8 out of 5 on the App Store, from 116 and 25 ratings respectively.
Do CTisus iQuiz 26 or Thoracic Lymph Node Map have ads?
Neither CTisus iQuiz 26 nor Thoracic Lymph Node Map shows ads.
Which is updated more often, CTisus iQuiz 26 or Thoracic Lymph Node Map?
CTisus iQuiz 26 ships an update every 4 months, and Thoracic Lymph Node Map every 7 months. Most recently, CTisus iQuiz 26 was updated on October 16, 2026 and Thoracic Lymph Node Map on September 28, 2026.

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