# USPSTF Prevention TaskForce vs Do U Know Clinician (DUK

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | USPSTF Prevention TaskForce | Do U Know Clinician (DUK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (70 ratings)](https://appshunter.io/ios/app/uspstf-prevention-taskforce/id311852560/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/do-u-know-clinician-duk-c/id6762023127/reviews)** |
| Number of ratings | **70** | 4 |
| Positive reviews | 64.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 43 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | +4 | 17+ |
| Developer | [AHRQ](https://appshunter.io/developer/311852563) | [Marko Lazovic](https://appshunter.io/developer/1883161225) |

## 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


### Do U Know Clinician (DUK

[App page](https://appshunter.io/ios/app/do-u-know-clinician-duk-c/id6762023127)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


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