# Thoracic Lymph Node Map vs PIRADS HELPER

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.

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

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.

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.

## The numbers

| Metric | Thoracic Lymph Node Map | PIRADS HELPER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (25 ratings)](https://appshunter.io/ios/app/thoracic-lymph-node-map/id531517393/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pirads-helper/id1138864409/reviews)** |
| Number of ratings | **25** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 128 MB | 17 MB |
| Requires iOS | 16.6 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [RADIOLOGiQ, LLC](https://appshunter.io/developer/519524135) | [Au79 LLC](https://appshunter.io/developer/1138864408) |

## 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


### PIRADS HELPER

[App page](https://appshunter.io/ios/app/pirads-helper/id1138864409)

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:** macOS Compatibility

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