--- title: "EBM Calculator - Reviews, Revenue and Downloads in United States | Apple App Store" description: "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 • Calc" --- # EBM Calculator — United States > Interpret study results fast ![EBM Calculator App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/f3/8f/ee/f38fee79-e449-fe54-de82-a79087853037/AppIcon_LG-0-0-1x_U007epad-0-1-sRGB-85-220.png/434x0w.png) **Developer:** [David Stewart](https://apptail.io/developer/david-stewart-GRLic) **Category:** Medical **Rating:** 5.0/5 (3 ratings) **Price:** Free **Bundle ID:** name.davidstewart.EBMCalculator **Store:** Apple App Store **Country:** United States **Version:** 1.6.0 (released 2026-05-01) **Original Release:** 2025-04-23 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6737999201) **AppTail Page:** [https://apptail.io/app/ebm-calculator-LIpv/united-states](https://apptail.io/app/ebm-calculator-LIpv/united-states) ## EBM Calculator Description 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 ## EBM Calculator Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/5c/bc/a2/5cbca25c-1f65-a4d7-336c-db0c8c8834e1/Screenshot_1.png/1284x2778.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ce/3e/15/ce3e155b-37ed-2223-34c8-bab479111b59/Screenshot_2.png/1284x2778.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/bd/1f/47/bd1f47cb-9e8b-5a3e-49ee-616d63e00d81/Screenshot_3.png/1284x2778.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/0e/ee/e0/0eeee050-5ec5-9308-93a1-41b39d5095d3/Screenshot_4.png/1284x2778.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/59/11/c5/5911c5a2-de42-7557-3f51-0090b4d64415/Screenshot_5.png/1284x2778.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/06/92/84/069284d8-992e-e540-507a-908406d51e04/Screenshot_6.png/1284x2778.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/35/f6/f7/35f6f749-6d6a-3d49-0d56-d17b4ae8278f/Screenshot_7.png/1284x2778.png) - [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f3/a3/71/f3a3713d-123a-d543-4287-84dd37f29358/Screenshot_8.png/1284x2778.png) ## EBM Calculator Rating Breakdown in United States - 5 stars: 3 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## Apps Similar to EBM Calculator - [SOGH: OB/GYN Resource Center](https://apptail.io/app/sogh-obgyn-resource-center-Oapc/united-states) - [AGS GEMS](https://apptail.io/app/ags-gems-YXpc/united-states) - [OnServiceMD STAT](https://apptail.io/app/onservicemd-stat-RWvc/united-states) - [LowSalt4Life](https://apptail.io/app/lowsalt4life-SVSc/united-states) - [docLogica](https://apptail.io/app/doclogica-vpce/united-states) - [Bonesetter Angle](https://apptail.io/app/bonesetter-angle-FJZg/united-states) - [MobiHISTree Hiranandani](https://apptail.io/app/mobihistree-hiranandani-Fknu/united-states) - [myWOD](https://apptail.io/app/mywod-Hcuv/united-states) - [Blue Lion Fitness](https://apptail.io/app/blue-lion-fitness-SoHv/united-states) - [GRS 12th Edition](https://apptail.io/app/grs-12th-edition-yuTv/united-states) ## EBM Calculator Available In - [United States](https://apptail.io/app/ebm-calculator-LIpv/united-states) - [Canada](https://apptail.io/app/ebm-calculator-LIpv/canada) - [Colombia](https://apptail.io/app/ebm-calculator-LIpv/colombia) - [Dominican Republic](https://apptail.io/app/ebm-calculator-LIpv/dominican-republic) - [Algeria](https://apptail.io/app/ebm-calculator-LIpv/algeria) - [Australia](https://apptail.io/app/ebm-calculator-LIpv/australia) - [Kuwait](https://apptail.io/app/ebm-calculator-LIpv/kuwait) - [New Zealand](https://apptail.io/app/ebm-calculator-LIpv/new-zealand) - [Russia](https://apptail.io/app/ebm-calculator-LIpv/russia) - [Sweden](https://apptail.io/app/ebm-calculator-LIpv/sweden) - [Ireland](https://apptail.io/app/ebm-calculator-LIpv/ireland) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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