USPSTF Prevention TaskForce vs EBM Calculator
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
EBM Calculator
This app helps medical professionals quickly interpret study results. It offers calculators for effect size, diagnostic test accuracy, and post-test probability, along with lessons and tutorials on evidence-based medicine.
- Effect Size Calculator
- Diagnostic Test Accuracy Calculator
- Post-Test Probability Calculator
- Fagan Nomogram visualization
- Save, Search, and Share results
- Evidence-Based Medicine lessons
- iCloud Sync
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Built to support your appraisal of medical evidence—EBM Calculator is fast, clear, and easy to use. Effect Size Calculator • Used for studies that examine the effect of a therapy or exposure • Calculate key measures for dichotomous outcomes: ◦ Absolute Risk Reduction (ARR) ◦ Number Needed to Treat (NNT) ◦ Risk Ratio (RR) ◦ Relative Risk Reduction (RRR) ◦ Odds Ratio (OR) • Includes 95% Confidence Intervals for every metric Diagnostic Test Calculator • Used for studies that evaluate the accuracy of a diagnostic test • Calculate core statistics: ◦ Sensitivity & Specificity ◦ Likelihood Ratios (LR+, LR–) ◦ Positive & Negative Predictive Values (PPV, NPV) • Includes 95% Confidence Intervals for all measures Post-Test Probability Calculator • Used to estimate the likelihood of disease after a test result • Input Sensitivity & Specificity or Likelihood Ratios • Visualize probability changes with an interactive Fagan Nomogram Save, Search & Share • Save unlimited results for future reference • Search, sort, and filter results to quickly find what matters • Share results as a PNG—ideal for Messages, email, and clean formatting • Export results as an .ebmc file to archive or send to other EBM Calculator users • Tap an .ebmc file to import results back into EBM Calculator Lessons • Explore lessons in Evidence-Based Medicine (EBM) • Reinforce core concepts in biostatistics and study design • Search lessons by title or keyword Guided Tutorials • Step-by-step tutorials walk you through every major feature • Access from the menu in each view or from Settings iCloud Sync • Saved results sync automatically across all your devices Have questions, feedback, or suggestions? Reach out to support@ebmcalculator.com
Screenshots
Verdict
The clearest difference is rating: EBM Calculator at 5.0 against USPSTF Prevention TaskForce's 3.7. USPSTF Prevention TaskForce's advantage is ratings volume (70 vs 3). On price, update cadence, ads and in-app purchases 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.
EBM Calculator 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 3, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 31, 2026 and November 4, 2026 respectively.
| Parameter | USPSTF Prevention TaskForce | EBM Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (70 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 64.1% of reviews | — |
| Number of ratings | 70 — better | 3 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 — better | 18.1 |
| Further details — not scored | ||
| Size | 15 MB | 14 MB |
| Age rating | +4 | 4+ |
| Developer | AHRQ | David Stewart |
Customer experience
USPSTF Prevention TaskForce
EBM Calculator
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
EBM Calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
USPSTF Prevention TaskForce
No in-app purchases
EBM Calculator
No in-app purchases
Questions
Is USPSTF Prevention TaskForce free?
Is EBM Calculator free?
Which has better reviews, USPSTF Prevention TaskForce or EBM Calculator?
Do USPSTF Prevention TaskForce or EBM Calculator have ads?
Which is updated more often, USPSTF Prevention TaskForce or EBM Calculator?
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