# Thoracic Lymph Node Map vs NIS+RISC Prep

The clearest difference is price: Thoracic Lymph Node Map at Free against NIS+RISC Prep's $4.99. NIS+RISC Prep's advantage is update cadence (every 9 days vs every 7 months) and rating (5.0 vs 4.8). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Thoracic Lymph Node Map is free to download; NIS+RISC Prep costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NIS+RISC Prep holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 25 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Thoracic Lymph Node Map ships an update every 7 months, NIS+RISC Prep every 9 days. The most recent releases landed on September 28, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Thoracic Lymph Node Map | NIS+RISC Prep |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.8 (25 ratings)](https://appshunter.io/ios/app/thoracic-lymph-node-map/id531517393/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/nis-plus-risc-prep/id6764441298/reviews)** |
| Number of ratings | **25** | 11 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#173** |
| Size | 128 MB | 33 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [RADIOLOGiQ, LLC](https://appshunter.io/developer/519524135) | [Shawn Thomas](https://appshunter.io/developer/1895782155) |

## 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


### NIS+RISC Prep

[App page](https://appshunter.io/ios/app/nis-plus-risc-prep/id6764441298)

**Currently charting:** #173 Top Paid · Medical (US App Store)

Prepare for the ABR Core Exam's Non-Interpretive Skills and Radioisotope Safety sections with over 700 board-style questions. Features detailed explanations, progress tracking, and a distraction-free interface with light and dark modes. Syncs progress across iPhone and iPad.

**Highlights:** 700+ board-style questions, Detailed explanations, Progress tracking, Timed test mode, Full-text search, Light and dark mode, Cross-device sync

**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 NIS+RISC Prep free?

NIS+RISC Prep costs $4.99, with no in-app purchases.

### Which has better reviews, Thoracic Lymph Node Map or NIS+RISC Prep?

NIS+RISC Prep is rated higher. Thoracic Lymph Node Map averages 4.8 out of 5 from 25 ratings, while NIS+RISC Prep averages 5.0 from 11 ratings.

### Do Thoracic Lymph Node Map or NIS+RISC Prep have ads?

Neither Thoracic Lymph Node Map nor NIS+RISC Prep shows ads.

### Which is updated more often, Thoracic Lymph Node Map or NIS+RISC Prep?

Thoracic Lymph Node Map ships an update every 7 months, and NIS+RISC Prep every 9 days. Most recently, Thoracic Lymph Node Map was updated on September 28, 2026 and NIS+RISC Prep on October 10, 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.*