# Thoracic Lymph Node Map vs BI

The clearest difference is update cadence: BI at fortnightly against Thoracic Lymph Node Map's every 7 months. On price, ads, in-app purchases and device support 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 ships an update every 7 months, BI fortnightly. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Thoracic Lymph Node Map | BI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (25 ratings)](https://appshunter.io/ios/app/thoracic-lymph-node-map/id531517393/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 128 MB | 90 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [RADIOLOGiQ, LLC](https://appshunter.io/developer/519524135) | [ERT,INC](https://appshunter.io/developer/1160214546) |

## 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


### BI

[App page](https://appshunter.io/ios/app/bi-1434-0017/id6752993100)

**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 BI free?

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

### Do Thoracic Lymph Node Map or BI have ads?

Neither Thoracic Lymph Node Map nor BI shows ads.

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

Thoracic Lymph Node Map ships an update every 7 months, and BI fortnightly. Most recently, Thoracic Lymph Node Map was updated on October 14, 2026 and BI on October 20, 2026.

---

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