Comparison

EBMcalc Kidney vs Orthopedic Surgery Techniques

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

Head to head
About

EBMcalc Kidney

This medical calculator provides nephrologists with essential equations and dose/unit converters for daily use. It supports evidence-based medicine by offering a comprehensive resource for kidney-related calculations, putting vital tools in the palm of your hand.

Highlights
  • Comprehensive medical calculator
  • Nephrology-specific equations
  • Dose and unit converters
  • Evidence-based medicine support
  • Over 50 included calculations
  • Portable resource
Features
Read full description

EBMcalc Kidney EBMcalc is the most popular and comprehensive Medical Calculator system on the web. It has been highly acclaimed, reviewed and tested over the last 25 years. EBMcalc users should not make any medical decisions based on app content without seeking their doctor's advice. EBMcalc Kidney encompasses all pertinent medical equations and dose/unit converters used every day by Nephrologists. With the growing emphasis on Evidence-Based Medicine, there has never been a greater need for a system such as EBMcalc. Now you can put this invaluable resource in the palm of your hand. Equations included: Aminoglycoside Clearance Estimate Anion Gap Delta Delta Gradient Multicalc Anion Gap Delta Delta Ratio Multicalc Anion Gap in Hypoalbumin States Anion Gap Base Excess Determination Bicarbonate Deficit Burn Injury Fluid Resuscitation (Brooke estimate) Burn Injury Fluid Resuscitation (Demling dextran estimate) Burn Injury Fluid Resuscitation (Evans estimate) Burn Injury Fluid Resuscitation (Modified Brooke crystalloid estimate) Burn Injury Fluid Resuscitation (Slater estimate) Burn Injury Fluid Resuscitation, Adult (Parkland crystalloid estimate) Creatinine Clearance (measured) Creatinine Clearance (measured, SI units) Creatinine Clearance by Mass Creatinine Clearance Estimate by Cockcroft-Gault Equation (SI units) Creatinine Clearance Estimate by Cockcroft-Gault Equation with Ideal Body Weight (SI units) Creatinine Clearance Estimate by Cockcroft-Gault Equation with Ideal Body Weight Creatinine Clearance Estimate by Cockcroft-Gault Equation Creatinine Clearance Estimate by Jelliffe Formula Creatinine Clearance Estimate by Sanaka Formula (for older subjects with low muscle mass) Creatinine Clearance Estimate for Changing Serum Creatinine Creatinine Kinetics MultiCalc Digitalis Body Load Fractional Excretion of Amylase (Amylase to creatinine clearance ratio) Fractional Excretion of Magnesium (SI units) Fractional Excretion of Magnesium Fractional Excretion of Sodium (SI units) Fractional Excretion of Sodium Fractional Excretion of Urate Glomerular Filtration Rate Estimate by CKD-EPI Equation Glomerular Filtration Rate Estimate by Quadratic Equation Glomerular Filtration Rate Estimate by Schwartz Formula Glomerular Filtration Rate Estimate by the Abbreviated MDRD Study Equation (SI units) Glomerular Filtration Rate Estimate by the Abbreviated MDRD Study Equation Glomerular Filtration Rate Estimate by the IDMS-Traceable MDRD Study Equation Glomerular Filtration Rate Estimate by the MDRD Equation (SI units) Glomerular Filtration Rate Estimate by the MDRD Equation Glomerular Filtration Rate Estimate by Updated Schwartz Formula Henderson-Hasselbach Equation Kt/V Dialysis Dose (8 different formulae) Lean Body Weight Based on Creatinine Production Maintenance Fluid Calculation for Children Osmolal Gap Calculator (SI units) Osmolal Gap Calculator Osmolality Estimator (serum) Osmolar Clearance Phenytoin Free (Unbound) Drug Level (Adjusted for Hypoalbuminemia) Phenytoin Total Drug Level (Adjusted for Hypoalbuminemia and Renal Function) Protein Catabolic Rate (normalized PCR) Protein Catabolic Rate Renal Failure Index Residual Renal Function in Hemodialysis Patients (Kru) Serum Sodium Concentration Change Considering Infused and Excreted Cations Time Averaged Concentration of Urea in Hemodialysis Total Body Water (10 different formulae) Transtubular Potassium Gradient at CCD Urea Reduction Percentage in Hemodialysis (PRU) Urea Reduction Ratio in Hemodialysis (URR) Urinary Protein Excretion Estimation Urine anion gap Volume of Distribution of Urea Water Deficit in Hypernatremia 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 EBMcalc provides easy to use, interactive tools for the pursuit of Evidence-Based Medicine.

About

Orthopedic Surgery Techniques

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Orthopedic Surgery Techniques is your essential pocket reference for mastering orthopedic procedures. Perfect for orthopedic surgeons, residents, and medical professionals, this comprehensive app provides detailed guidance on surgical techniques across multiple anatomical regions. Key Features: Comprehensive Content: Detailed coverage of procedures for shoulder, elbow, wrist, hand, hip, knee, ankle, and foot Step-by-step surgical techniques with clear instructions Joint injection guides with precise anatomical landmarks Pediatric orthopedic procedures Amputation techniques for various levels Easy Navigation: Intuitive anatomical categorization Powerful search functionality Quick access to favorite procedures Personal notes feature for custom annotations Visual Learning: High-quality medical illustrations Detailed anatomical landmarks Step-by-step procedural images Clear visual guides for injection sites Practical Features: Offline access - no internet required Bookmark important procedures Create and save personal notes Clean, professional interface Detailed Coverage Including: Joint Injections & Aspirations Fracture Management Tendon Procedures Bursa Injections Amputation Techniques Pediatric Procedures Emergency Procedures Joint Reductions Perfect For: Orthopedic Surgeons Surgical Residents Emergency Medicine Physicians Sports Medicine Specialists Medical Students Healthcare Professionals The app is designed by Dr. Muhammed Farooq Al-Hariri, combining professional expertise with practical utility. All content is available offline, ensuring reliable access whenever needed. Download now to enhance your orthopedic surgical knowledge and improve patient care with this comprehensive surgical reference tool. Note: This app is intended for medical professionals and should be used as a reference guide alongside proper medical training and expertise.

Screenshots

EBMcalc Kidney4 screens
Orthopedic Surgery Techniques4 screens

Verdict

The call

The clearest difference is update cadence: Orthopedic Surgery Techniques at every 4 months against EBMcalc Kidney's every 33 months. EBMcalc Kidney's advantage is price ($4.99 vs $9.99) and iOS requirement (10.0 vs 14.0). On ads, 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

CostPrice · In-app purchases · Ads · Monetization

EBMcalc Kidney costs $4.99 and Orthopedic Surgery Techniques $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

EBMcalc Kidney ships an update every 33 months, Orthopedic Surgery Techniques every 4 months. The most recent releases landed on October 27, 2026 and October 19, 2026 respectively.

Scorecard3 real differences · 6 level
EBMcalc Kidney versus Orthopedic Surgery Techniques: the parameters behind the verdict, then further details
ParameterEBMcalc KidneyOrthopedic Surgery Techniques
Price$4.99 — better$9.99
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 33 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better14.0
Further details — not scored
Size4 MB25 MB
Age rating17+17+
DeveloperFoundation Internet Services, LLCAhmad Al Hariri

In-app purchases

None

EBMcalc Kidney

No in-app purchases

None

Orthopedic Surgery Techniques

No in-app purchases

Questions

Is EBMcalc Kidney free?
EBMcalc Kidney costs $4.99, with no in-app purchases.
Is Orthopedic Surgery Techniques free?
Orthopedic Surgery Techniques costs $9.99, with no in-app purchases.
Do EBMcalc Kidney or Orthopedic Surgery Techniques have ads?
Neither EBMcalc Kidney nor Orthopedic Surgery Techniques shows ads.
Which is updated more often, EBMcalc Kidney or Orthopedic Surgery Techniques?
EBMcalc Kidney ships an update every 33 months, and Orthopedic Surgery Techniques every 4 months. Most recently, EBMcalc Kidney was updated on October 27, 2026 and Orthopedic Surgery Techniques on October 19, 2026.

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