# RadiologyApp vs CRDx Academy

The clearest difference is update cadence: RadiologyApp at fortnightly against CRDx Academy's every 2 months. CRDx Academy's advantage is iOS requirement (15.2 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. RadiologyApp sells 2 in-app purchases, starting at $4.99 per month and CRDx Academy sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

RadiologyApp ships an update fortnightly, CRDx Academy every 2 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | RadiologyApp | CRDx Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 9 MB | 110 MB |
| Requires iOS | 18.2 | **15.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Edson Knapp](https://appshunter.io/developer/1450598864) | [Credit Hours](https://appshunter.io/developer/1627681353) |

## What reviewers say

### 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 |


### CRDx Academy

[App page](https://appshunter.io/ios/app/crdx-academy/id6760403603)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Measurement of HbA1c in DM | Free | one-time |
| Science of RBC Morphology | Free | one-time |


## Frequently asked questions

### Is RadiologyApp free?

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

### Is CRDx Academy free?

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

### Do RadiologyApp or CRDx Academy have ads?

Neither RadiologyApp nor CRDx Academy shows ads.

### Which is updated more often, RadiologyApp or CRDx Academy?

RadiologyApp ships an update fortnightly, and CRDx Academy every 2 months. Most recently, RadiologyApp was updated on October 9, 2026 and CRDx Academy on October 12, 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.*