Comparison

USPSTF Prevention TaskForce vs ClinicalKey

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

ClinicalKey

This app provides medical professionals with instant access to a vast library of clinical knowledge, including synoptic content and in-depth reference materials. It helps users stay updated on medical advancements, confirm diagnoses, and advance their research skills, all while offering CME/MOC/CE credits.

Highlights
  • Access to 30+ medical specialties
  • Synoptic content for quick answers
  • Full-text reference books and journals
  • Mobile-optimized medical calculators
  • Earn CME/MOC/CE credits
  • Intuitive search functionality
Read full description

INSTITUTIONAL SUBSCRIPTION REQUIRED. Access the latest advances in clinical knowledge anytime, anywhere with ClinicalKey®- the essential resource for medical professionals. ClinicalKey combines the speed of synoptic content with the depth of a comprehensive clinical reference tool in one intuitive solution to provide clinicians trusted information in the moments that matter most. With ClinicalKey, you can: • Stay abreast of rapidly expanding clinical knowledge • Quickly confirm diagnosis and treatment information • Advance critical thinking skills and research Please note: To access our extensive content library, ensure you have a subscription to ClinicalKey from your organization. To get started: 1. Download the free ClinicalKey app for iOS on your iPad® or iPhone®. 2. Follow the prompts to connect to your organization’s account.The app will ask questions to get you to the right content. 3. Choose the method of access that is right for you: 4. Select Access via Network if you need a quick answer and your device is connected to your organization's network. 5. Select Access via Institution for other ways to connect. 6. Once you have gained access, create or sign- in to your Elsevier ClinicalKey user account to save favorites and earn CME/MOC/CE/MOC/CE. ClinicalKey® Because you want to find a better way to help your patients ClinicalKey combines the speed of synoptic content with the depth of a comprehensive clinical reference tool in one intuitive solution to give clinicians trusted information in the moments that matter. With the ClinicalKey, clinicians will be able to: • Enhance patient care with trusted resources and deep insights across 30+ specialties • Combine efficiency and confidence in your practice with access to quick answers and information that is continuously updated • Excel in your field by building foundational knowledge and keeping up with the latest trends through full-text reference books and journals, while earning free CME/MOC/CE credit • Stay abreast of rapidly expanding clinical knowledge • Quickly confirm diagnosis and treatment information • Advance critical thinking skills and research ClinicalKey App for iOS Features: • Trusted Comprehensive content covering more than 30 medical and surgical specialties • Easy-to-scan, clinically focused medical topic synopses • Intuitive search with auto-suggest/ • Easy search with auto-completion • Direct navigation to your favorite books and journals • Mobile-optimized medical calculators • Access to full-text books, full-text journals, guidelines, multimedia and more • Access via Institutional IP; individuals will not be able to earn CME/MOC/CE, save, or share content when using IP authentication. Please register for remote access via your institutional web version of ClinicalKey. ClinicalKey Registrants (non-IP) customers will enjoy: • Opportunity to earn CME and fulfill MOC requirements with the American Board of Internal Medicine (ABIM) • Ability to favorite and save content • Option to print and email topics, videos or graphics • Earn and track free CME/MOC/CE credit Ability to favorite and save content Print and email topics, videos or graphics to patients and colleagues iPad and iPhone are trademarks of Apple Inc, registered in the US and other countries.

Screenshots

USPSTF Prevention TaskForce4 screens
ClinicalKey4 screens

Verdict

The call

The clearest difference is review sentiment: USPSTF Prevention TaskForce at 63% against ClinicalKey's 9%. USPSTF Prevention TaskForce also leads on monetization model (free vs subscription). ClinicalKey's advantage is update cadence (every 5 weeks vs every 3 months) and iOS requirement (15.0 vs 18.0). 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.

UpkeepUpdate frequency

USPSTF Prevention TaskForce ships an update every 3 months, ClinicalKey every 5 weeks. The most recent releases landed on September 7, 2026 and September 14, 2026 respectively.

Scorecard4 real differences · 6 level
USPSTF Prevention TaskForce versus ClinicalKey: the parameters behind the verdict, then further details
ParameterUSPSTF Prevention TaskForceClinicalKey
PriceFreeFree
Rating3.6 (68 ratings) — better—
Positive reviews63.5% of reviews — better8.8% of reviews
Number of ratings68 — better—
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterSubscription
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size13 MB55 MB
Age rating4+12+
DeveloperAHRQElsevier Inc.

Customer experience

USPSTF Prevention TaskForce

All ratings68 ratings
Positive61.8%
Neutral8.8%
Negative29.4%
Written reviews63 reviews
Positive63.5%
Neutral6.3%
Negative30.2%

ClinicalKey

Written reviews102 reviews
Positive8.8%
Neutral4.9%
Negative86.3%

User reviews

USPSTF Prevention TaskForce

From 68 App Store ratings

What we love

  • 👍 Essential for primary care
  • 👍 Great evidence-based resource
  • 👍 Useful for students and clinicians
  • 👍 Well-organized and easy to use
  • 👍 Quick reference tool

Room to improve

  • 🐛 Frequent crashes
  • 🐛 Outdated recommendations
  • 🐛 Inaccurate/broken recommendations
  • 🐛 UI needs update
  • 🐛 Not working with latest iOS

ClinicalKey

From App Store reviews

What we love

  • 📚 High-quality, evidence-based clinical content
  • 🎯 Intuitive interface and quick reference format
  • 🔍 Similar functionality to website version
  • 👍 Browse feature restoration appreciated by users

Room to improve

  • 🔓 Constant forced logout issues
  • 🔐 Institutional login authentication failures
  • ⏳ App freezes and perpetual loading screens
  • 🚫 Missing textbook access in app vs website
  • 📵 Frequent crashes and force closures

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

ClinicalKey

Reported bugs

14 issues
  • App stuck on loading screen after initial login
  • Forced logout when closing or minimizing app
  • Institutional login not working despite web access
  • App crashes during search queries
  • OpenAthens authentication failures
Show 9 more
  • Network change warnings appearing incorrectly
  • Search results returning unrelated content
  • Textbook search not finding available books
  • App won't load after recent updates
  • Blank search results for valid queries
  • Scrolling in table of contents sidebar not functioning
  • Landscape orientation not supported
  • App doesn't remember page position when reopened
  • Restricted access to books after updates

Requested features

10 requests
  • PDF download capability within the app
  • Favorite/bookmark textbooks and articles
  • Landscape mode support for iPad
  • Find-on-page text search function
  • Automatic session persistence and page memory
Show 5 more
  • Text size and screen color customization
  • Fingerprint/passcode login option
  • Browse feature with category filtering
  • Offline access to downloaded materials
  • Feature parity with website version

In-app purchases

None

USPSTF Prevention TaskForce

No in-app purchases

None

ClinicalKey

No in-app purchases

Questions

Is USPSTF Prevention TaskForce free?
USPSTF Prevention TaskForce is free to download, with no in-app purchases.
Is ClinicalKey free?
ClinicalKey is free to download, with no in-app purchases.
Do USPSTF Prevention TaskForce or ClinicalKey have ads?
Neither USPSTF Prevention TaskForce nor ClinicalKey shows ads.
Which is updated more often, USPSTF Prevention TaskForce or ClinicalKey?
USPSTF Prevention TaskForce ships an update every 3 months, and ClinicalKey every 5 weeks. Most recently, USPSTF Prevention TaskForce was updated on September 7, 2026 and ClinicalKey on September 14, 2026.

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