# Thoracic Lymph Node Map vs CTisus iPearls

The clearest difference is rating: Thoracic Lymph Node Map at 4.8 against CTisus iPearls's 4.6. On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Thoracic Lymph Node Map holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 25 and 39 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Thoracic Lymph Node Map ships an update every 7 months, CTisus iPearls every 6 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Thoracic Lymph Node Map | CTisus iPearls |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (25 ratings)](https://appshunter.io/ios/app/thoracic-lymph-node-map/id531517393/reviews)** | [4.6 (39 ratings)](https://appshunter.io/ios/app/ctisus-ipearls/id687350624/reviews) |
| Number of ratings | 25 | **39** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 128 MB | 137 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 iPearls

[App page](https://appshunter.io/ios/app/ctisus-ipearls/id687350624)

This app provides diagnostic radiologists with valuable insights and facts, known as "pearls," to aid in correct diagnoses and understanding of radiologic images. It organizes these pearls across 28 popular categories and includes a search feature for easy access to thousands of pieces of knowledge.

**Highlights:** Diagnostic radiology pearls, Thousands of insights, 28 popular categories, Search functionality, Radiologic image understanding

**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 iPearls free?

CTisus iPearls is free to download, with no in-app purchases.

### Which has better reviews, Thoracic Lymph Node Map or CTisus iPearls?

Thoracic Lymph Node Map is rated higher. Thoracic Lymph Node Map averages 4.8 out of 5 from 25 ratings, while CTisus iPearls averages 4.6 from 39 ratings.

### Do Thoracic Lymph Node Map or CTisus iPearls have ads?

Neither Thoracic Lymph Node Map nor CTisus iPearls shows ads.

### Which is updated more often, Thoracic Lymph Node Map or CTisus iPearls?

Thoracic Lymph Node Map ships an update every 7 months, and CTisus iPearls every 6 months. Most recently, Thoracic Lymph Node Map was updated on October 14, 2026 and CTisus iPearls on October 8, 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.*