# Radio Interactive vs Radiology References

The clearest difference is in-app purchases: Radio Interactive at none against Radiology References's 4. Radio Interactive also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Radiology References sells 4 in-app purchases, starting at $1.99 per 7 days. Radio Interactive asks for nothing beyond the download.

Radio Interactive ships an update every 4 months, Radiology References every 5 months. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Radio Interactive | Radiology References |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 5 months |
| Size | 39 MB | 19 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Radio Interactive GmbH](https://appshunter.io/developer/1744814792) | [HVALABS, LLC](https://appshunter.io/developer/1875666107) |

## What reviewers say

### Radio Interactive

[App page](https://appshunter.io/ios/app/radio-interactive/id6502262078)

**In-app purchases:** none


### Radiology References

[App page](https://appshunter.io/ios/app/radiology-references/id6744572227)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $5.99 | per month |
| Yearly Premium | $24.99 | per year |
| Yearly Premium | $34.99 | per year |


## Frequently asked questions

### Is Radio Interactive free?

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

### Is Radiology References free?

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

### Do Radio Interactive or Radiology References have ads?

Radiology References shows ads; Radio Interactive does not.

### Which is updated more often, Radio Interactive or Radiology References?

Radio Interactive ships an update every 4 months, and Radiology References every 5 months. Most recently, Radio Interactive was updated on October 17, 2026 and Radiology References on October 11, 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.*