Features & Capabilities

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

User Growth & Download Statistics

App
By:
David Stewart
Version:
1.6.0 Last updated: 2026-05-01
Version code:
885098218
Creation date:
2025-04-23
Compatible devices:
Size:
14.10MB
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-06-13
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
David Stewart
Apple Apps Store
https://apps.apple.com/ph/app/ebm-calculator/id6737999201
Website:
https://www.ebmcalculator.com

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