# Eng vs RadiologyApp

The clearest difference is price: RadiologyApp at Free against Eng's $24.99. RadiologyApp also leads on update cadence (fortnightly vs every 31 months). Eng's advantage is in-app purchases (none vs 2) and iOS requirement (10.0 vs 18.2). On ads and device support there is nothing between them.

RadiologyApp is free to download; Eng costs $24.99 up front. RadiologyApp sells 2 in-app purchases, starting at $4.99 per month. Eng asks for nothing beyond the download.

Eng ships an update every 31 months, RadiologyApp fortnightly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Eng | RadiologyApp |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Fortnightly** |
| Size | 13 MB | 9 MB |
| Requires iOS | **10.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Usatine & Erickson Media LLC](https://appshunter.io/developer/1466894388) | [Edson Knapp](https://appshunter.io/developer/1450598864) |

## What reviewers say

### Eng

[App page](https://appshunter.io/ios/app/eng-span-medical-dictionary-4e/id1410388405)

**Features:** macOS Compatibility

**In-app purchases:** none


### RadiologyApp

[App page](https://appshunter.io/ios/app/radiologyapp/id6741454156)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly. | $4.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Eng free?

Eng costs $24.99, with no in-app purchases.

### Is RadiologyApp free?

RadiologyApp is free to download, with in-app purchases available.

### Do Eng or RadiologyApp have ads?

Neither Eng nor RadiologyApp shows ads.

### Which is updated more often, Eng or RadiologyApp?

Eng ships an update every 31 months, and RadiologyApp fortnightly. Most recently, Eng was updated on October 26, 2026 and RadiologyApp on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*