Comparison

Thoracic Lymph Node Map vs CTisus 10 Minute ER Challenge

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

Head to head
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/

About

CTisus 10 Minute ER Challenge

This app offers a timed challenge for medical professionals to interpret emergency radiology images. Users diagnose 60 CT cases within 10 minutes, with a 10-second limit per diagnosis before the answer is revealed. It's designed to evaluate and improve knowledge of emergency imaging.

Highlights
  • 60 emergency CT cases
  • 10-minute diagnostic challenge
  • 10-second diagnosis per case
  • Radiology image interpretation
  • Knowledge evaluation tool
Features
Read full description

Test your emergency imaging interpretation efficiency! This App includes radiology images for 60 emergency cases that users must diagnose in 10 minutes. Each case is presented as an unknown. You have 10 seconds to make the diagnosis, before the answer is provided. Disclaimer: This app is developed for radiologists and medical professionals to enhance and evaluate their knowledge on various CT cases. This app doesn’t provide any medical advices or treatment plans.

Screenshots

Thoracic Lymph Node Map4 screens
CTisus 10 Minute ER Challenge4 screens

Verdict

The call

Thoracic Lymph Node Map and CTisus 10 Minute ER Challenge are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Thoracic Lymph Node Map against 4.9 for CTisus 10 Minute ER Challenge. Both are backed by a comparable volume of ratings — 25 and 15 respectively.

UpkeepUpdate frequency

Thoracic Lymph Node Map ships an update every 7 months, CTisus 10 Minute ER Challenge every 4 months. The most recent releases landed on October 14, 2026 and October 21, 2026 respectively.

ScorecardNo meaningful differences
Thoracic Lymph Node Map versus CTisus 10 Minute ER Challenge: the parameters behind the verdict, then further details
ParameterThoracic Lymph Node MapCTisus 10 Minute ER Challenge
PriceFreeFree
Rating4.8 (25 ratings)4.9 (15 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings25 — better15
Update frequencyEvery 7 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.6 — better
Further details — not scored
Size128 MB24 MB
Age rating12+17+
DeveloperRADIOLOGiQ, LLCElliot Fishman

Customer experience

Thoracic Lymph Node Map

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

CTisus 10 Minute ER Challenge

All ratings13 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Thoracic Lymph Node Map

No in-app purchases

None

CTisus 10 Minute ER Challenge

No in-app purchases

Questions

Is Thoracic Lymph Node Map free?
Thoracic Lymph Node Map is free to download, with no in-app purchases.
Is CTisus 10 Minute ER Challenge free?
CTisus 10 Minute ER Challenge is free to download, with no in-app purchases.
Which has better reviews, Thoracic Lymph Node Map or CTisus 10 Minute ER Challenge?
CTisus 10 Minute ER Challenge is rated higher. Thoracic Lymph Node Map averages 4.8 out of 5 from 25 ratings, while CTisus 10 Minute ER Challenge averages 4.9 from 15 ratings.
Do Thoracic Lymph Node Map or CTisus 10 Minute ER Challenge have ads?
Neither Thoracic Lymph Node Map nor CTisus 10 Minute ER Challenge shows ads.
Which is updated more often, Thoracic Lymph Node Map or CTisus 10 Minute ER Challenge?
Thoracic Lymph Node Map ships an update every 7 months, and CTisus 10 Minute ER Challenge every 4 months. Most recently, Thoracic Lymph Node Map was updated on October 14, 2026 and CTisus 10 Minute ER Challenge on October 21, 2026.

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