# Lung CT Field Guide vs ASTCT Practice Guidelines

The clearest difference is update cadence: ASTCT Practice Guidelines at every 2 months against Lung CT Field Guide's every 6 months. Lung CT Field Guide's advantage is iOS requirement (8.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Lung CT Field Guide against 5.0 for ASTCT Practice Guidelines. Both are backed by a comparable volume of ratings — 11 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Lung CT Field Guide ships an update every 6 months, ASTCT Practice Guidelines every 2 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Lung CT Field Guide | ASTCT Practice Guidelines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (11 ratings)](https://appshunter.io/ios/app/lung-ct-field-guide/id895302733/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/astct-practice-guidelines/id1204871675/reviews) |
| Number of ratings | **11** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 58 MB | 107 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [RADIOLOGiQ, LLC](https://appshunter.io/developer/519524135) | [ASBMT](https://appshunter.io/developer/1204871674) |

## What reviewers say

### Lung CT Field Guide

[App page](https://appshunter.io/ios/app/lung-ct-field-guide/id895302733)

This app helps physicians, especially radiologists and pulmonologists, interpret lung CT scans. It features a library of CT images and illustrations of lung diseases, along with an experimental engine to suggest differential diagnoses based on observed findings.

**Highlights:** Lung CT image library, Color graphic illustrations of lung disease patterns, Experimental differential diagnosis engine, Organized by CT findings and distribution, Over 100 curated images and illustrations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ASTCT Practice Guidelines

[App page](https://appshunter.io/ios/app/astct-practice-guidelines/id1204871675)

Access up-to-date practice guidelines, evidence-based reviews, and clinical calculators for blood, bone marrow transplantation, and cellular therapies. Developed by experts, this app aids clinical decision-making with immediate access to crucial information.

**Highlights:** Practice guidelines, Evidence-based reviews, Clinical calculators, HCT patient tools, Expert-developed content, Detailed references

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lung CT Field Guide free?

Lung CT Field Guide is free to download, with no in-app purchases.

### Is ASTCT Practice Guidelines free?

ASTCT Practice Guidelines is free to download, with no in-app purchases.

### Which has better reviews, Lung CT Field Guide or ASTCT Practice Guidelines?

Lung CT Field Guide and ASTCT Practice Guidelines are both rated 5.0 out of 5 on the App Store, from 11 and 4 ratings respectively.

### Do Lung CT Field Guide or ASTCT Practice Guidelines have ads?

Neither Lung CT Field Guide nor ASTCT Practice Guidelines shows ads.

### Which is updated more often, Lung CT Field Guide or ASTCT Practice Guidelines?

Lung CT Field Guide ships an update every 6 months, and ASTCT Practice Guidelines every 2 months. Most recently, Lung CT Field Guide was updated on October 14, 2026 and ASTCT Practice Guidelines on October 13, 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.*