# ACR Guidance vs IUGA

The clearest difference is update cadence: ACR Guidance at every 2 months against IUGA's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ACR Guidance ships an update every 2 months, IUGA every 6 months. The most recent releases landed on October 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ACR Guidance | IUGA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (12 ratings)](https://appshunter.io/ios/app/acr-guidance/id1484701466/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | — |
| Size | 111 MB | 115 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [The American College of Radiology](https://appshunter.io/developer/493774954) | [IUGA](https://appshunter.io/developer/1192146009) |

## What reviewers say

### ACR Guidance

[App page](https://appshunter.io/ios/app/acr-guidance/id1484701466)

Access clinical guidance content from the ACR on your mobile device. Includes resources for contrast reactions, reporting systems, and incidental findings. Designed for healthcare professionals needing on-the-go reference materials.

**Highlights:** Interactive clinical guidance, ACR Contrast Reaction Cards, Reporting and Data Systems (RADS) content, Incidental Findings (IF) content, On-the-go reference materials

**Features:** macOS Compatibility

**In-app purchases:** none


### IUGA

[App page](https://appshunter.io/ios/app/iuga/id1546091390)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ACR Guidance free?

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

### Is IUGA free?

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

### Do ACR Guidance or IUGA have ads?

Neither ACR Guidance nor IUGA shows ads.

### Which is updated more often, ACR Guidance or IUGA?

ACR Guidance ships an update every 2 months, and IUGA every 6 months. Most recently, ACR Guidance was updated on October 24, 2026 and IUGA on September 22, 2026.

---

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