Protocol Now vs ACR Guidance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Protocol Now
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ProtocolNow houses the protocol lifecycle. In business, protocols are everywhere, and properly managed and followed protocols deliver more consistent service and results. Having your protocols all in one place makes them easier to find and apply. Sharing protocols for collaboration, unifying care, and general refinement has never been easier. ProtocolNow Features: DEVELOP protocols directly on the platform, allowing for real-time collaboration without the use of cumbersome third-party software or confusing email chains. TRAIN employees on those protocols and track their engagement to better understand how your organization delivers care. APPLY protocols in real-time settings using content refined for their specific use. Access is digital, fast, and accessible anywhere, including on-the-go with the mobile app. REFINE protocols as new information and techniques arise to improve the delivery of care. Users are encouraged to help their organizations discover the best practices for their community. Benefits of ProtocolNow: SAVE valuable clinical time by reducing the number of meetings required to develop and curate protocols. SPEED UP clinical decision-making by granting all users point-of-care access to organizational protocols and policies whenever and wherever they need them. REDUCE clinical variation by standardizing organizational practices. MAINTAIN protocol access across a variety of internet environments using ProtocolNow’s robust offline mode. ProtocolNow provides the optimal environment for organizations to manage the protocols that drive clinical outcomes. ProtocolNow was built out of necessity to meet the demands of the modern world. Download today to begin exploring how this new system can revolutionize the way your organization develops and distributes protocols.
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.
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Verdict
The clearest difference is iOS requirement: Protocol Now at 11.0 against ACR Guidance's 15.0. On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.
| Parameter | Protocol Now | ACR Guidance |
|---|---|---|
| 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 | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 111 MB |
| Age rating | 17+ | 17+ |
| Developer | Protocol Now, Inc | The American College of Radiology |
In-app purchases
Protocol Now
No in-app purchases
ACR Guidance
No in-app purchases
Questions
Is Protocol Now free?
Is ACR Guidance free?
Do Protocol Now or ACR Guidance have ads?
Which is updated more often, Protocol Now or ACR Guidance?
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