# NoduleRisk vs Radcalc Reference

The clearest difference is device support: Radcalc Reference at 3 against NoduleRisk's 1. Radcalc Reference also leads on iOS requirement (15.1 vs 17.6). On price, 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.

## The numbers

| Metric | NoduleRisk | Radcalc Reference |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 2 MB | 21 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Rutvik Shah](https://appshunter.io/developer/1877007675) | [Parikh Radiology, P.L.L.C.](https://appshunter.io/developer/6801351998) |

## What reviewers say

### NoduleRisk

[App page](https://appshunter.io/ios/app/nodulerisk/id6762442696)

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

**In-app purchases:** none


### Radcalc Reference

[App page](https://appshunter.io/ios/app/radcalc-reference/id6805210963)

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

**In-app purchases:** none


## Frequently asked questions

### Is NoduleRisk free?

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

### Is Radcalc Reference free?

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

### Do NoduleRisk or Radcalc Reference have ads?

Neither NoduleRisk nor Radcalc Reference shows ads.

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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.*