ACR Guidance vs IUGA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ACR Guidance
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.
- Interactive clinical guidance
- ACR Contrast Reaction Cards
- Reporting and Data Systems (RADS) content
- Incidental Findings (IF) content
- On-the-go reference materials
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The ACR® Guidance App provides interactive mobile access to select clinical guidance content from the ACR website. Download to access the ACR Contrast Reaction Cards, Reporting and Data Systems (RADS), and Incidental Findings (IF) content. This app is intended for healthcare professionals such as radiologists, oncologists, referring physicians, and medical students who desire on the go reference materials from ACR. This app is not a medical device and should not be considered as one. ACR provides this mobile app for reference purposes only. It is not intended to substitute for the independent clinical judgment of a physician or other health care professional user. A physician or other user is solely responsible for verifying the currency and applicability of app content to a particular clinical situation and thus assumes all risk of use. As allowable under applicable law, ACR and ACR’s employees, officers, directors, agents, contractors and volunteers will not be liable for any damages arising out of the use or misuse of the app, its content, or calculations. This includes but is not limited to a user’s inability to access the app or any loss or corruption of a user’s data.
IUGA
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All the benefits of IUGA are now available at your fingertips! Download the IUGA app where you can attend our meetings, browse the program, and personalize your experience by building your custom schedule of sessions. Remain up to date about the society, network with other guests from all over the world through our interactive features, access the IUJ, and so much more! Get connected, informed, and involved using the IUGA app!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ACR Guidance | IUGA |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (12 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 111 MB | 115 MB |
| Age rating | 17+ | 12+ |
| Developer | The American College of Radiology | IUGA |
In-app purchases
ACR Guidance
No in-app purchases
IUGA
No in-app purchases









