EBMcalc Statistics vs MedDX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EBMcalc Statistics
This app provides a comprehensive collection of evidence-based medical calculations and statistical tools. It offers essential equations, statistical analysis, and unit converters for healthcare professionals. The app aims to simplify complex medical math for quick access on mobile devices.
- Evidence-based medical calculations
- Comprehensive statistics tools
- Dose and unit converters
- Bayesian statistics
- Chi Square analysis
- Confidence intervals
- Likelihood ratios
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EBMcalc Statistics EBMcalc is the most popular and comprehensive Medical Calculator system on the web. It has been highly acclaimed, reviewed and tested over the last 20 years. EBMcalc users should not make any medical decisions based on app content without seeking their doctor's advice. EBMcalc Statistics is your iPhone answer for evidence-based medical calculations and medical statistics. Here you will find essential EBM equations, statistics tools and a a full suite of dose and unit converters ready for use, right in the palm of your hand! EBMcalc makes the math of EBM simple! Equations included: Bayesian Statistics I MultiCalc Bayesian Statistics II MultiCalc Benefit Increase / Number Needed to Treat Multicalc Chi Square Analysis Confidence Interval of a Binomial Proportion Confidence Interval of a Difference Between Proportions Confidence Interval of a Ratio of Proportions Confidence Interval of a Ratio of Ratios Confidence Interval of a Survey COPE Statistic Adding Cost to Number Needed to Treat False Negative Rate from Sensitivity and Prevalence False Negative Ratio from Sensitivity and Prevalence False Positive Rate from Specificity and Prevalence False Positive Ratio from Specificity and Prevalence Kappa Measurement of Inter-observer Agreement MultiCalc Kappa Measurement of Inter-observer Agreement: Bennett's Kappa Kappa Measurement of Inter-observer Agreement: Cohen's Kappa Kappa Measurement of Inter-observer Agreement: Scott's Kappa Likelihood Ratio MultiCalc Likelihood Ratio of Negative from Raw Data Likelihood Ratio of Positive from Raw Data Negative Predictive Value from Raw Data Negative Predictive Value of a Test Number Needed to Harm (NNH) from Odds Ratio (OR) and Patient Expected Event Rate (PEER) Number Needed to Treat (NNT) from Odds Ratio (OR) and Patient Expected Event Rate (PEER) Odds from Probability Odds Ratio and Relative Risk Overall Accuracy of a Test from Raw Data Overall Accuracy of a Test from Sensitivity, Specificity and Prevalence Positive Predictive Value from Raw Data Positive Predictive Value of a Test Post Test Odds from Pre Test Odds and Likelihood Ratio MultiCalc Post Test Odds of a Negative from Raw Data Post Test Odds of a Negative Result from Sensitivity Specificity and Prevalence Post Test Odds of a Positive from Raw Data Post Test Odds of a Positive Result from Sensitivity Specificity and Prevalence Post Test Probability from Pre Test Probability, Sensitivity and Specificity Post-Test Probability from Likelihood Ratios and Multiple Test Results Pre Test Odds from Prevalence Pre Test Odds from Raw Data Prevalence of a Finding or Disease from Test Data Probability from Odds Risk Increase / Number Needed to Harm Multicalc Risk Reduction / Number Needed to Treat Multicalc Sensitivity of a Test Specificity of a Test Survey Sample Size with Population Correction Survey Sample Size True Negative Ratio from Specificity and Prevalence True Positive Ratio from Sensitivity and Prevalence Z Score to Percentile Estimation Some Unit and Dose converters include: Basic Units Corticosteroid Dosing Energy Unit Conversions Flow Unit Conversions Pressure Units SI Unit Conversions Standard Drink Equivalents Temperature Unit Conversions Thyroid Medication Dosing Time Units Volume Units Weight Units To practice, teach and learn medicine based on solid, literature based evidence, EBMcalc provides easy to use, interactive tools for your Evidence-Based Medicine.
MedDX
This app offers a vast collection of AI-powered medical calculators for various specialties. It provides quick access to academic data and stays current with medical AI advancements through an integrated blog. Users can sync their progress across devices and receive notifications for new calculator additions.
- AI medical calculator repository
- Machine learning calculators
- Intuitive interface
- Access to citations and academic data
- Cross-device syncing
- AI blog for medical advancements
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MedDx is a next-generation AI medical calculator repository app designed for a broad range of systems and medical specialties. We boast the largest repository of machine learning medical calculators in the world, an intuitive and easy to use interface, rapid access to relevant citations and academic data, syncing across multiple devices, and much more. Stay up to date with cutting edge medical AI point-of-care technology with our AI blog, included with the app. Or, access our growing collection of calculators and get notified when we add more.
Screenshots
Verdict
The clearest difference is review sentiment: MedDX at 100% against EBMcalc Statistics's 0%. MedDX also leads on price (Free vs $4.99) and rating (4.9 vs 1.0). EBMcalc Statistics's advantage is ads (none vs shown) and iOS requirement (10.0 vs 16.0). On in-app purchases and device support 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
MedDX is free to download; EBMcalc Statistics costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MedDX holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: MedDX has 34 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of EBMcalc Statistics's written reviews are positive against 100% of MedDX's.
EBMcalc Statistics ships an update every 33 months, MedDX every 3 weeks. The most recent releases landed on October 13, 2026 and September 23, 2026 respectively.
| Parameter | EBMcalc Statistics | MedDX |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 1.0 (1 ratings) | 4.9 (34 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 34 — better |
| Update frequency | Every 33 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 29 MB |
| Age rating | 17+ | 17+ |
| Developer | Foundation Internet Services, LLC | Med Dx Technology LLC |
Customer experience
EBMcalc Statistics
MedDX
In-app purchases
EBMcalc Statistics
No in-app purchases
MedDX
No in-app purchases









