Comparison

ACR Guidance vs SIR Guidelines

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Interactive clinical guidance
  • ACR Contrast Reaction Cards
  • Reporting and Data Systems (RADS) content
  • Incidental Findings (IF) content
  • On-the-go reference materials
Features
Read full description

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.

About

SIR Guidelines

Access evidence-based recommendations and tools for healthcare professionals. Features an interactive calculator for scenario-specific anticoagulation and antibiotic advice, simplifying clinical decision-making at the point of care.

Highlights
  • Access published guidelines and statements
  • Interactive periprocedural recommendation calculator
  • Scenario-specific anticoagulation and antibiotic recommendations
  • Tailored recommendations based on patient and procedural risk
  • Clinical Practice Guidelines for IVC Filters
  • Continual updates with new guidelines and tools
Features
Read full description

The Society of Interventional Radiology (SIR) Guidelines app is the go-to source for SIR’s published guidelines and statements at your fingertips. SIR Guidelines is free to use and allows healthcare workers to quickly access evidence-based recommendations in an easy-to-use point of care format intended to simplify clinical decision-making. The app includes an interactive periprocedural recommendation calculator that generates scenario-specific anticoagulation and antibiotic recommendations based on the SIR consensus guidelines. Users can input medications and patient factors to generate recommendations tailored for the patient’s and procedural bleeding risk. The Clinical Practice Guidelines for IVC Filters provide evidence based guidance for the management of patients with thromboembolic disease. The app will be continually updated to include new Clinical Practice Guidelines (CPGs) and tools to assist in clinical decision-making. The Society is providing information and services on this mobile app as a benefit and educational service intended for licensed health care professionals. The information posted here by the Society or any third party should not be considered medical advice or standard of care, and is not intended to replace the independent judgment of or consultation with a qualified medical professional. The use of the mobile app and the Society Content is voluntary and for educational purposes only. Accordingly, the Society assumes no liability for or relating to the use of the content contained within the mobile app by users.

Screenshots

ACR Guidance4 screens
SIR Guidelines4 screens

Verdict

The call

The clearest difference is rating: SIR Guidelines at 5.0 against ACR Guidance's 3.1. SIR Guidelines also leads on update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

SIR Guidelines holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 12 and 23 respectively.

UpkeepUpdate frequency

ACR Guidance ships an update every 2 months, SIR Guidelines every 3 weeks. Both last shipped on October 24, 2026.

Scorecard2 real differences · 8 level
ACR Guidance versus SIR Guidelines: the parameters behind the verdict, then further details
ParameterACR GuidanceSIR Guidelines
PriceFreeFree
Rating3.1 (12 ratings)5.0 (23 ratings) — better
Positive reviews25.0% of reviews—
Number of ratings1223 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size111 MB28 MB
Age rating17+12+
DeveloperThe American College of RadiologySociety of Interventional Radiology

Customer experience

ACR Guidance

All ratings12 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

SIR Guidelines

All ratings23 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ACR Guidance

No in-app purchases

None

SIR Guidelines

No in-app purchases

Questions

Is ACR Guidance free?
ACR Guidance is free to download, with no in-app purchases.
Is SIR Guidelines free?
SIR Guidelines is free to download, with no in-app purchases.
Which has better reviews, ACR Guidance or SIR Guidelines?
SIR Guidelines is rated higher. ACR Guidance averages 3.1 out of 5 from 12 ratings, while SIR Guidelines averages 5.0 from 23 ratings.
Do ACR Guidance or SIR Guidelines have ads?
Neither ACR Guidance nor SIR Guidelines shows ads.
Which is updated more often, ACR Guidance or SIR Guidelines?
ACR Guidance ships an update every 2 months, and SIR Guidelines every 3 weeks. Most recently, ACR Guidance was updated on October 24, 2026 and SIR Guidelines on October 24, 2026.

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