Comparison

USPSTF Prevention TaskForce vs Do U Know Clinician (DUK

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

Head to head
About

USPSTF Prevention TaskForce

This app provides primary care clinicians with evidence-based recommendations for preventive services. It helps identify appropriate screening, counseling, and medication services for patients based on their individual characteristics.

Highlights
  • Access USPSTF recommendations
  • Search by patient characteristics
  • Identify screening services
  • Find counseling services
  • Discover preventive medications
Features
Read full description

The Prevention TaskForce (formerly ePSS) is an application designed and developed by the U.S. Department of Health & Human Services (HHS), Agency for Healthcare Research and Quality (AHRQ), the Nation's lead Federal agency for research on health care quality, costs, outcomes and patient safety. It was developed by AHRQ to support the independent U.S. Preventive Services Task Force (USPSTF). The USPSTF is an independent, volunteer panel of national experts in prevention and evidence-based medicine. AHRQ provides support to the USPSTF. The Prevention TaskForce application was developed to assist primary care clinicians identify the screening, counseling, and preventive medication services that are appropriate for their patients. The Prevention TaskForce information is based on the current recommendations of the U.S. Preventive Services Task Force (USPSTF) and can be searched by specific patient characteristics, such as age, sex, and selected behavioral risk factors. When using this tool please read the specific recommendation to determine if the preventive service is appropriate for your patient. This tool is not meant to replace clinical judgment and individualized patient care. *Application downloads and data updates require internet connectivity

About

Do U Know Clinician (DUK

This evidence-based clinical reference tool provides quick access to guideline summaries, treatment protocols, EKG interpretation, and bedside calculators for healthcare professionals. It's designed to improve efficiency at the point of care by reducing search time for trusted medical information.

Highlights
  • Evidence-based clinical pearls
  • Guideline-based treatment protocols
  • Interactive EKG interpretation
  • Clinical calculators
  • Powerful search functionality
  • Daily clinical pearls
  • Save favorite content
Features
Read full description

Less searching. More medicine Built by an Internal Medicine physician and Johns Hopkins graduates, DUK-C is an evidence-based clinical reference built for medical students, residents, physicians, advanced practice providers, and other healthcare professionals. Find trusted clinical information in seconds with concise guideline summaries, practical treatment protocols, interactive EKG interpretation, and bedside calculators—all in one app. FEATURES • Evidence-based clinical pearls from trusted medical organizations • Guideline-based treatment protocols with first-line therapy, alternatives, dosing, and safety considerations • Interactive EKG Interpretation Center with pattern recognition, clinical pearls, and quiz mode • Clinical calculators including: Creatinine Clearance (Cockcroft-Gault) Opioid Dose Conversion Corticosteroid Conversion BMI Fractional Excretion of Sodium (FeNa) and more • Powerful search across clinical pearls, treatment protocols, and EKGs • Daily clinical pearls • Save favorite content • Dark Mode support • Direct links to original guideline sources whenever available BUILT FOR CLINICIANS Built by an Internal Medicine physician and Johns Hopkins graduates to improve efficiency at the point of care. Whether you're on rounds, in clinic, studying for boards, or reviewing clinical guidelines, DUK-C helps you find trusted information quickly so you can spend less time searching and more time caring for patients. IMPORTANT DUK-C is an educational and clinical reference tool intended to support—not replace—professional medical judgment. Always use clinical discretion and follow local institutional policies.

Screenshots

USPSTF Prevention TaskForce4 screens
Do U Know Clinician (DUK4 screens

Verdict

The call

The clearest difference is rating: Do U Know Clinician (DUK at 5.0 against USPSTF Prevention TaskForce's 3.7. Do U Know Clinician (DUK also leads on update cadence (every 9 days vs every 3 months) and iOS requirement (15.1 vs 18.0). USPSTF Prevention TaskForce's advantage is monetization model (free vs free with in-app purchases) and ratings volume (70 vs 4). 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

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

Do U Know Clinician (DUK holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: USPSTF Prevention TaskForce has 70 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

USPSTF Prevention TaskForce ships an update every 3 months, Do U Know Clinician (DUK every 9 days. The most recent releases landed on October 23, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 5 level
USPSTF Prevention TaskForce versus Do U Know Clinician (DUK: the parameters behind the verdict, then further details
ParameterUSPSTF Prevention TaskForceDo U Know Clinician (DUK
PriceFreeFree
Rating3.7 (70 ratings)5.0 (4 ratings) — better
Positive reviews64.1% of reviews—
Number of ratings70 — better4
Update frequencyEvery 3 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size15 MB43 MB
Age rating+417+
DeveloperAHRQMarko Lazovic

Customer experience

USPSTF Prevention TaskForce

All ratings70 ratings
Positive62.9%
Neutral8.6%
Negative28.6%
Written reviews64 reviews
Positive64.1%
Neutral6.3%
Negative29.7%

Do U Know Clinician (DUK

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

USPSTF Prevention TaskForce

Reported bugs

9 issues
  • App crashes on startup
  • Recommendations are broken/inaccurate
  • App not compatible with recent iOS updates
  • Menu won't stay open
  • Unable to download
Show 4 more
  • Recommendations won't load
  • Non-functioning links
  • Does not filter correctly
  • Resets everything when going back to home page

Requested features

6 requests
  • Update recommendations
  • Add more units of measurement (kg/meters)
  • Update for dark mode
  • Improve UI/UX
  • Add more diseases to profile
Show 1 more
  • Faster loading times

Do U Know Clinician (DUK

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

USPSTF Prevention TaskForce

No in-app purchases

None

Do U Know Clinician (DUK

No in-app purchases

Questions

Is USPSTF Prevention TaskForce free?
USPSTF Prevention TaskForce is free to download, with no in-app purchases.
Is Do U Know Clinician (DUK free?
Do U Know Clinician (DUK is free to download, with no in-app purchases.
Which has better reviews, USPSTF Prevention TaskForce or Do U Know Clinician (DUK?
Do U Know Clinician (DUK is rated higher. USPSTF Prevention TaskForce averages 3.7 out of 5 from 70 ratings, while Do U Know Clinician (DUK averages 5.0 from 4 ratings.
Do USPSTF Prevention TaskForce or Do U Know Clinician (DUK have ads?
Neither USPSTF Prevention TaskForce nor Do U Know Clinician (DUK shows ads.
Which is updated more often, USPSTF Prevention TaskForce or Do U Know Clinician (DUK?
USPSTF Prevention TaskForce ships an update every 3 months, and Do U Know Clinician (DUK every 9 days. Most recently, USPSTF Prevention TaskForce was updated on October 23, 2026 and Do U Know Clinician (DUK on October 17, 2026.

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