# USPSTF Prevention TaskForce vs ClinicalKey

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.

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.

## The numbers

| Metric | USPSTF Prevention TaskForce | ClinicalKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (68 ratings)](https://appshunter.io/ios/app/uspstf-prevention-taskforce/id311852560/reviews)** | — |
| Number of ratings | **68** | — |
| Positive reviews | **63.5% of reviews** | 8.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | **Free** | Subscription |
| Size | 13 MB | 55 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [AHRQ](https://appshunter.io/developer/311852563) | [Elsevier Inc.](https://appshunter.io/developer/367031326) |

## What reviewers say

### USPSTF Prevention TaskForce

[App page](https://appshunter.io/ios/app/uspstf-prevention-taskforce/id311852560)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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- 🐛 Outdated recommendations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

**Reported bugs**

- App crashes on startup
- Recommendations are broken/inaccurate
- App not compatible with recent iOS updates
- Menu won't stay open
- Unable to download

**Requested features**

- Update recommendations
- Add more units of measurement (kg/meters)
- Update for dark mode
- Improve UI/UX
- Add more diseases to profile


### ClinicalKey

[App page](https://appshunter.io/ios/app/clinicalkey/id1041998175)

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

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

- 🔓 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

**Reported bugs**

- 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

**Requested features**

- 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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*