USPSTF Prevention TaskForce vs Otnac
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
Otnac
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.
- Preview upcoming Epic Canto development
- For project team members
- For system administrators
- Requires Epic Canto installation
- Administrator security access
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With Otnac, project team members and system administrators of organizations using Epic Canto can preview upcoming development before it is released to clinicians. To use this application, your organization must either be live on or installing Canto. Additionally, you must have appropriate administrator security within your organization. If you are a clinical user of Epic Canto, please be aware that you will not be able to access Otnac. Instead, you should download the current version of Epic Canto from the App Store.
Screenshots
Verdict
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.
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 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.
| Parameter | USPSTF Prevention TaskForce | Otnac |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (68 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 63.5% of reviews | — |
| Number of ratings | 68 — better | 2 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPad |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 13 MB | 559 MB |
| Age rating | 4+ | 17+ |
| Developer | AHRQ | Epic |
Customer experience
USPSTF Prevention TaskForce
Otnac
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
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- 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
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- Faster loading times
Otnac
Not enough reviews yet to summarise bugs or requests.
In-app purchases
USPSTF Prevention TaskForce
No in-app purchases
Otnac
No in-app purchases
Questions
Is USPSTF Prevention TaskForce free?
Is Otnac free?
Which has better reviews, USPSTF Prevention TaskForce or Otnac?
Do USPSTF Prevention TaskForce or Otnac have ads?
Which is updated more often, USPSTF Prevention TaskForce or Otnac?
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