# USPSTF Prevention TaskForce vs Otnac

The clearest difference is rating: USPSTF Prevention TaskForce at 3.6 against Otnac's 3.0. USPSTF Prevention TaskForce also leads on ratings volume (68 vs 2). Otnac's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 3.6 against 3.0. That said, the two scores are not equally well evidenced: USPSTF Prevention TaskForce has 68 ratings behind it against 2, so its average is the more settled of the two.

USPSTF Prevention TaskForce ships an update every 3 months, Otnac every 3 weeks. The most recent releases landed on September 7, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | USPSTF Prevention TaskForce | Otnac |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (68 ratings)](https://appshunter.io/ios/app/uspstf-prevention-taskforce/id311852560/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/otnac/id417750647/reviews) |
| Number of ratings | **68** | 2 |
| Positive reviews | 63.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 13 MB | 559 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 17+ |
| Developer | [AHRQ](https://appshunter.io/developer/311852563) | [Epic](https://appshunter.io/developer/348308666) |

## 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


### Otnac

[App page](https://appshunter.io/ios/app/otnac/id417750647)

This application allows project team members and system administrators of organizations using Epic Canto to preview upcoming development before it is released to clinicians. Access requires administrator security within an organization that is live on or installing Canto. Clinical users should download the standard Epic Canto app instead.

**Highlights:** Preview upcoming Epic Canto development, For project team members, For system administrators, Requires Epic Canto installation, Administrator security access

**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 Otnac free?

Otnac is free to download, with no in-app purchases.

### Which has better reviews, USPSTF Prevention TaskForce or Otnac?

USPSTF Prevention TaskForce is rated higher. USPSTF Prevention TaskForce averages 3.6 out of 5 from 68 ratings, while Otnac averages 3.0 from 2 ratings.

### Do USPSTF Prevention TaskForce or Otnac have ads?

Neither USPSTF Prevention TaskForce nor Otnac shows ads.

### Which is updated more often, USPSTF Prevention TaskForce or Otnac?

USPSTF Prevention TaskForce ships an update every 3 months, and Otnac every 3 weeks. Most recently, USPSTF Prevention TaskForce was updated on September 7, 2026 and Otnac on September 15, 2026.

---

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