# KM vs Radiology

The clearest difference is price: KM at Free against Radiology's $34.99. KM also leads on update cadence (monthly vs every 10 months). Radiology's advantage is iOS requirement (12.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

KM is free to download; Radiology costs $34.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KM ships an update monthly, Radiology every 10 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | KM | Radiology |
| --- | --- | --- |
| Price | **Free** | $34.99 |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/radiology-thoracic-imaging/id689790583/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | — | Paid |
| Size | 60 MB | 277 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Christian Schramm](https://appshunter.io/developer/372862438) | [BestApps BV](https://appshunter.io/developer/329677410) |

## What reviewers say

### KM

[App page](https://appshunter.io/ios/app/km-helper/id372862435)

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

**In-app purchases:** none


### Radiology

[App page](https://appshunter.io/ios/app/radiology-thoracic-imaging/id689790583)

Master thoracic imaging with this interactive guide. It features annotated clinical data sets to illustrate key concepts, making it an essential tool for healthcare professionals who need to interpret chest films quickly.

**Highlights:** Interactive learning, Annotated clinical data sets, Master thoracic imaging basics, Essential for healthcare professionals, Real clinical data illustration

**In-app purchases:** none


## Frequently asked questions

### Is KM free?

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

### Is Radiology free?

Radiology costs $34.99, with no in-app purchases.

### Do KM or Radiology have ads?

Neither KM nor Radiology shows ads.

### Which is updated more often, KM or Radiology?

KM ships an update monthly, and Radiology every 10 months. Most recently, KM was updated on November 1, 2026 and Radiology on November 1, 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.*