USPSTF Prevention TaskForce vs ClinicalKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Access USPSTF recommendations
- Search by patient characteristics
- Identify screening services
- Find counseling services
- Discover preventive medications
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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
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | USPSTF Prevention TaskForce | ClinicalKey |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (68 ratings) — better | — |
| Positive reviews | 63.5% of reviews — better | 8.8% of reviews |
| Number of ratings | 68 — better | — |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 55 MB |
| Age rating | 4+ | 12+ |
| Developer | AHRQ | Elsevier Inc. |
Customer experience
USPSTF Prevention TaskForce
ClinicalKey
User reviews
USPSTF Prevention TaskForce
From 68 App Store ratingsWhat 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 reviewsWhat 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 moreShow fewer
- 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 moreShow fewer
- 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 moreShow fewer
- 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 moreShow fewer
- 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
USPSTF Prevention TaskForce
No in-app purchases
ClinicalKey
No in-app purchases
Questions
Is USPSTF Prevention TaskForce free?
Is ClinicalKey free?
Do USPSTF Prevention TaskForce or ClinicalKey have ads?
Which is updated more often, USPSTF Prevention TaskForce or ClinicalKey?
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