# Thoracic Lymph Node Map vs RFF Index

The clearest difference is rating: RFF Index at 5.0 against Thoracic Lymph Node Map's 4.8. RFF Index also leads on update cadence (every 3 months vs every 7 months) and iOS requirement (14.1 vs 16.6). Thoracic Lymph Node Map's advantage is ratings volume (25 vs 2). 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.

RFF Index 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 2, so its average is the more settled of the two.

Thoracic Lymph Node Map ships an update every 7 months, RFF Index every 3 months. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Thoracic Lymph Node Map | RFF Index |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (25 ratings)](https://appshunter.io/ios/app/thoracic-lymph-node-map/id531517393/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rff-index/id1557635049/reviews)** |
| Number of ratings | **25** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 128 MB | 1 MB |
| Requires iOS | 16.6 | **14.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [RADIOLOGiQ, LLC](https://appshunter.io/developer/519524135) | [Edward Vendrow](https://appshunter.io/developer/1553335805) |

## 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


### RFF Index

[App page](https://appshunter.io/ios/app/rff-index/id1557635049)

This app helps healthcare professionals quickly assess the baseline frailty of older adults admitted with traumatic rib fractures. It provides a risk score and estimates potential outcomes based on frailty levels. The tool is intended to supplement clinical judgment, not replace it.

**Highlights:** Frailty assessment for older adults, Rib fracture patient characterization, RFF score calculation, Risk of frailty identification, Population-level outcome estimates

**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 RFF Index free?

RFF Index is free to download, with no in-app purchases.

### Which has better reviews, Thoracic Lymph Node Map or RFF Index?

RFF Index is rated higher. Thoracic Lymph Node Map averages 4.8 out of 5 from 25 ratings, while RFF Index averages 5.0 from 2 ratings.

### Do Thoracic Lymph Node Map or RFF Index have ads?

Neither Thoracic Lymph Node Map nor RFF Index shows ads.

### Which is updated more often, Thoracic Lymph Node Map or RFF Index?

Thoracic Lymph Node Map ships an update every 7 months, and RFF Index every 3 months. Most recently, Thoracic Lymph Node Map was updated on October 14, 2026 and RFF Index on October 20, 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.*