# HPH7 vs Radiology References

The clearest difference is in-app purchases: HPH7 at none against Radiology References's 4. HPH7 also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. Radiology References sells 4 in-app purchases, starting at $1.99 per 7 days. HPH7 asks for nothing beyond the download.

HPH7 ships an update every 3 months, Radiology References every 5 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | HPH7 | Radiology References |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Size | 43 MB | 19 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [DOH (Thailand)](https://appshunter.io/developer/1501306583) | [HVALABS, LLC](https://appshunter.io/developer/1875666107) |

## What reviewers say

### HPH7

[App page](https://appshunter.io/ios/app/hph7/id6670164655)

**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 HPH7 free?

HPH7 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 HPH7 or Radiology References have ads?

Radiology References shows ads; HPH7 does not.

### Which is updated more often, HPH7 or Radiology References?

HPH7 ships an update every 3 months, and Radiology References every 5 months. Most recently, HPH7 was updated on October 3, 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.*