Comparison

Thoracic Lymph Node Map vs PIRADS HELPER

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

PIRADS HELPER

This application assists medical professionals in interpreting MRI scans more quickly. It is based on the PIRADS scoring system to aid in diagnosis.

Highlights
  • PIRADS scoring system
  • Faster MRI interpretation
  • Diagnostic assistance
Features
Read full description

An app that is based off of PIRADS

Screenshots

Thoracic Lymph Node Map4 screens
PIRADS HELPER3 screens

Verdict

The call

The clearest difference is update cadence: PIRADS HELPER at every 3 weeks against Thoracic Lymph Node Map's every 7 months. PIRADS HELPER also leads on rating (5.0 vs 4.8) and iOS requirement (9.0 vs 16.6). Thoracic Lymph Node Map's advantage is ratings volume (25 vs 1). On price, ads, in-app purchases and monetization model 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

PIRADS HELPER holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Thoracic Lymph Node Map has 25 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Thoracic Lymph Node Map ships an update every 7 months, PIRADS HELPER every 3 weeks. The most recent releases landed on October 14, 2026 and October 23, 2026 respectively.

Scorecard4 real differences · 6 level
Thoracic Lymph Node Map versus PIRADS HELPER: the parameters behind the verdict, then further details
ParameterThoracic Lymph Node MapPIRADS HELPER
PriceFreeFree
Rating4.8 (25 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings25 — better1
Update frequencyEvery 7 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.69.0 — better
Further details — not scored
Size128 MB17 MB
Age rating12+17+
DeveloperRADIOLOGiQ, LLCAu79 LLC

Customer experience

Thoracic Lymph Node Map

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

PIRADS HELPER

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Thoracic Lymph Node Map

No in-app purchases

None

PIRADS HELPER

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 PIRADS HELPER free?
PIRADS HELPER is free to download, with no in-app purchases.
Which has better reviews, Thoracic Lymph Node Map or PIRADS HELPER?
PIRADS HELPER is rated higher. Thoracic Lymph Node Map averages 4.8 out of 5 from 25 ratings, while PIRADS HELPER averages 5.0 from 1 ratings.
Do Thoracic Lymph Node Map or PIRADS HELPER have ads?
Neither Thoracic Lymph Node Map nor PIRADS HELPER shows ads.
Which is updated more often, Thoracic Lymph Node Map or PIRADS HELPER?
Thoracic Lymph Node Map ships an update every 7 months, and PIRADS HELPER every 3 weeks. Most recently, Thoracic Lymph Node Map was updated on October 14, 2026 and PIRADS HELPER on October 23, 2026.

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