# Radiology References vs ImagingGuide

The clearest difference is in-app purchases: ImagingGuide at none against Radiology References's 4. ImagingGuide also leads on update cadence (every 2 months vs every 5 months). Radiology References's advantage is iOS requirement (17.0 vs 26.1). On price there is nothing between them.

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

Radiology References ships an update every 5 months, ImagingGuide every 2 months. The most recent releases landed on September 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Radiology References | ImagingGuide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 19 MB | 11 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | **iPhone** | — |
| Age rating | 17+ | 4+ |
| Developer | [HVALABS, LLC](https://appshunter.io/developer/1875666107) | [Dzuy Do](https://appshunter.io/developer/1859439808) |

## What reviewers say

### 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 |


### ImagingGuide

[App page](https://appshunter.io/ios/app/imagingguide/id6761346019)

**In-app purchases:** none


## Frequently asked questions

### Is Radiology References free?

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

### Is ImagingGuide free?

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

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

Radiology References ships an update every 5 months, and ImagingGuide every 2 months. Most recently, Radiology References was updated on September 25, 2026 and ImagingGuide on September 30, 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.*