# Thoracic Lymph Node Map vs ACR Guidance

The clearest difference is review sentiment: Thoracic Lymph Node Map at 100% against ACR Guidance's 25%. Thoracic Lymph Node Map also leads on rating (4.8 vs 3.1). ACR Guidance's advantage is update cadence (every 2 months vs every 7 months). On price, ratings volume, ads and in-app purchases 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 3.1. Both are backed by a comparable volume of ratings — 25 and 12 respectively. Written reviews point the same way: 100% of Thoracic Lymph Node Map's written reviews are positive against 25% of ACR Guidance's.

Thoracic Lymph Node Map ships an update every 7 months, ACR Guidance every 2 months. The most recent releases landed on October 14, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Thoracic Lymph Node Map | ACR Guidance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (25 ratings)](https://appshunter.io/ios/app/thoracic-lymph-node-map/id531517393/reviews)** | [3.1 (12 ratings)](https://appshunter.io/ios/app/acr-guidance/id1484701466/reviews) |
| Number of ratings | **25** | 12 |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 128 MB | 111 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [RADIOLOGiQ, LLC](https://appshunter.io/developer/519524135) | [The American College of Radiology](https://appshunter.io/developer/493774954) |

## 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


### ACR Guidance

[App page](https://appshunter.io/ios/app/acr-guidance/id1484701466)

Access clinical guidance content from the ACR on your mobile device. Includes resources for contrast reactions, reporting systems, and incidental findings. Designed for healthcare professionals needing on-the-go reference materials.

**Highlights:** Interactive clinical guidance, ACR Contrast Reaction Cards, Reporting and Data Systems (RADS) content, Incidental Findings (IF) content, On-the-go reference materials

**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 ACR Guidance free?

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

### Which has better reviews, Thoracic Lymph Node Map or ACR Guidance?

Thoracic Lymph Node Map is rated higher. Thoracic Lymph Node Map averages 4.8 out of 5 from 25 ratings, while ACR Guidance averages 3.1 from 12 ratings.

### Do Thoracic Lymph Node Map or ACR Guidance have ads?

Neither Thoracic Lymph Node Map nor ACR Guidance shows ads.

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

Thoracic Lymph Node Map ships an update every 7 months, and ACR Guidance every 2 months. Most recently, Thoracic Lymph Node Map was updated on October 14, 2026 and ACR Guidance on September 27, 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.*