Comparison

EBMcalc Statistics vs docLogica

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Evidence-based medical calculations
  • Comprehensive statistics tools
  • Dose and unit converters
  • Bayesian statistics
  • Chi Square analysis
  • Confidence intervals
  • Likelihood ratios
Features
Read full description

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.

About

docLogica

A comprehensive, searchable medical database for healthcare professionals. Access detailed disease information, diagnostic test accuracies, and a powerful differential diagnosis generator at the point of care.

Highlights
  • 1700+ diseases with symptoms and incidence
  • 1200+ diagnostic test accuracies
  • Powerful differential diagnosis generator
  • Disease probabilities from real population data
  • Point-of-care information access
Features
Read full description

Made by doctors, for doctors; docLogica is the most robust and comprehensive, searchable database of disease characteristics and test accuracies in the world. Giving you all the information you need bedside, at your fingertips. Features: - Over 1700 diseases including associated symptoms, symptom frequencies, and population incidence data - Over 1200 diagnostic test accuracies, so you never order a useless test again - The most powerful DDx generator available - Disease incidences and probabilities for common presentations from real population data Subscription details: Get a 1-week free trial when you sign up for a yearly subscription! This app contains paid features that are only available with a subscription. The duration of each subscription period is either 1 month or 1 year and your payment will be charged to your iTunes Account once you confirm your purchase. You will be billed after the free trial is over (unless you cancel at least 24 hours before the end date), and then rebilled annually. Your iTunes account will be charged again at the same price when your subscriptions automatically renews at the end of your subscription period unless you turn off auto-renew at least 24 hours prior to the end of this period. You can manage and turn off your subscription in your Apple ID Account Settings any time after purchase. View our privacy policy or terms of service here: www.docLogica.com/html/privacypolicy.html www.docLogica.com/html/termsofuse.html

Screenshots

EBMcalc Statistics4 screens
docLogica4 screens

Verdict

The call

The clearest difference is review sentiment: docLogica at 80% against EBMcalc Statistics's 0%. docLogica also leads on price (Free vs $4.99) and rating (4.5 vs 1.0). EBMcalc Statistics's advantage is in-app purchases (none vs 2) and ads (none vs shown). On 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

CostPrice · In-app purchases · Ads · Monetization

docLogica is free to download; EBMcalc Statistics costs $4.99 up front. docLogica sells 2 in-app purchases, starting at $2.99 per month. EBMcalc Statistics asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

docLogica holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: docLogica has 32 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 80% of docLogica's.

UpkeepUpdate frequency

EBMcalc Statistics ships an update every 33 months, docLogica every 2 weeks. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

Scorecard9 real differences · 1 level
EBMcalc Statistics versus docLogica: the parameters behind the verdict, then further details
ParameterEBMcalc StatisticsdocLogica
Price$4.99Free — better
Rating1.0 (1 ratings)4.5 (32 ratings) — better
Positive reviews0.0% of reviews80.0% of reviews — better
Number of ratings132 — better
Update frequencyEvery 33 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better13.4
Further details — not scored
Size3 MB19 MB
Age rating17+17+
DeveloperFoundation Internet Services, LLCMichael Garfinkle

Customer experience

EBMcalc Statistics

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

docLogica

All ratings32 ratings
Positive84.4%
Neutral9.4%
Negative6.3%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

None

EBMcalc Statistics

No in-app purchases

2 purchases

docLogica

Subscriptions2
  • Monthly Subscription$2.991 Month
  • Yearly Subscription7 Days trial$29.991 Year

Questions

Is EBMcalc Statistics free?
EBMcalc Statistics costs $4.99, with no in-app purchases.
Is docLogica free?
docLogica is free to download, with in-app purchases available.
Which has better reviews, EBMcalc Statistics or docLogica?
docLogica is rated higher. EBMcalc Statistics averages 1.0 out of 5 from 1 ratings, while docLogica averages 4.5 from 32 ratings.
Do EBMcalc Statistics or docLogica have ads?
docLogica shows ads; EBMcalc Statistics does not.
Which is updated more often, EBMcalc Statistics or docLogica?
EBMcalc Statistics ships an update every 33 months, and docLogica every 2 weeks. Most recently, EBMcalc Statistics was updated on October 13, 2026 and docLogica on October 10, 2026.

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