# Thoracic Lymph Node Map vs CTisus 10 Minute ER Challenge

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | Thoracic Lymph Node Map | CTisus 10 Minute ER Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (25 ratings)](https://appshunter.io/ios/app/thoracic-lymph-node-map/id531517393/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/ctisus-10-minute-er-challenge/id1154587260/reviews)** |
| Number of ratings | **25** | 15 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 128 MB | 24 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [RADIOLOGiQ, LLC](https://appshunter.io/developer/519524135) | [Elliot Fishman](https://appshunter.io/developer/399024444) |

## What reviewers say

### Thoracic Lymph Node Map

[App page](https://appshunter.io/ios/app/thoracic-lymph-node-map/id531517393)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CTisus 10 Minute ER Challenge

[App page](https://appshunter.io/ios/app/ctisus-10-minute-er-challenge/id1154587260)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*