# Lung Cancer Screening Guide vs APAPP ACE

The clearest difference is in-app purchases: APAPP ACE at none against Lung Cancer Screening Guide's 2. APAPP ACE also leads on update cadence (every 4 days vs every 2 months) and iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Lung Cancer Screening Guide sells 2 in-app purchases, starting at $9.99 per 6 months. APAPP ACE asks for nothing beyond the download.

Lung Cancer Screening Guide ships an update every 2 months, APAPP ACE every 4 days. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Lung Cancer Screening Guide | APAPP ACE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17 ratings)](https://appshunter.io/ios/app/lung-cancer-screening-guide/id904820569/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Subscription | — |
| Size | 65 MB | 16 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [RADIOLOGiQ, LLC](https://appshunter.io/developer/519524135) | [Focus Medical Communications, LLC](https://appshunter.io/developer/1744148484) |

## What reviewers say

### Lung Cancer Screening Guide

[App page](https://appshunter.io/ios/app/lung-cancer-screening-guide/id904820569)

This clinical decision-support tool helps healthcare professionals categorize lung nodules and determine follow-up actions based on ACR Lung-RADS v2022 guidelines. It offers step-by-step guidance, real-time score updates, and integration of incidental findings for consistent application of recommendations.

**Highlights:** ACR Lung-RADS v2022 Integration, Dynamic Lung-RADS Card, S Modifier Integration, Comprehensive Nodule Insights, Self-Assessment Mode, Brock (Full Model) Calculator, Offline Access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6-Month Subscription | $9.99 | per 6 months |
| 12-Month Subscription | $14.99 | per year |


### APAPP ACE

[App page](https://appshunter.io/ios/app/apapp-ace/id6502762731)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lung Cancer Screening Guide free?

Lung Cancer Screening Guide is free to download, with in-app purchases available.

### Is APAPP ACE free?

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

### Do Lung Cancer Screening Guide or APAPP ACE have ads?

Neither Lung Cancer Screening Guide nor APAPP ACE shows ads.

### Which is updated more often, Lung Cancer Screening Guide or APAPP ACE?

Lung Cancer Screening Guide ships an update every 2 months, and APAPP ACE every 4 days. Most recently, Lung Cancer Screening Guide was updated on November 1, 2026 and APAPP ACE on November 4, 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.*