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AppBrain's verdict
EstablishedLoved by users- Rating on App Store
- 4.79
- 5,107 ratings
- Last updated
- December 19, 2025
- Size
- 118.2 MB
Users love it: 4.8 stars from 5,107 ratings.
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Store listing
By WebMD, from the App StoreDescription by WebMD Written by the developer, not by AppBrain. Click to read.
"We recommend medical users try the free Calculate by QxMD first..."
-from iMedicalApps review "The best free Medical Calculator apps for the iPhone"
'Calculate' highlights tools which impact clinical practice either by simplifying diagnosis, clarifying treatment options or displaying prognosis.
Helping you make decisions, not just calculate numbers...
Features
• Developed by a collaboration of clinician experts from diverse backgrounds
• Point-of-care tools in the areas of cardiology, internal medicine, primary care, nephrology, hematology, hepatology, gastroenterology, emergency medicine, oncology, orthopedics, critical care/ICU, ENT, radiology, rheumatology, mental health, respirology, neurology, pediatrics, infectious disease, neurosurgery, general surgery, vascular surgery, and obstetrics.
• Converts recent research publications into practical handheld tools - knowledge translation at its best
• Automatically adapts to your clinical practice
• Unique ‘Question Flow’ technology gets you answers, fast
• Detailed references with PubMed & Read integration
• Comprehensive and insightful results
• Elegant design and intuitive interface
• SI and Imperial units
More than 200 unique calculators and decision support tools
While too extensive to list them all, here is a small sampling of included content:
Guide treatment
• Determine cardiovascular risk using ACC/AHA, Framingham, Gupta and VQI Cardiac Risk Index
• CHADS2 & CHA2DS2-VASc to guide treatment in atrial fibrillation
• Understand bleeding risk in atrial fibrillation using HAS-BLED & OBRI
• TIMI risk score in ACS
• CIWA in alcohol withdrawal
• Rule of 9s & Parkland formula in burns
• Water deficit in hypernatremia
• Timing of surgery with Aortic Stenosis Risk Score
• Risk stratify pneumonia (CURB-65, PORT)
• NIH Stroke Scale in acute stroke
• Imaging in possible subarachnoid hemorrhage with Ottawa SAH Rule
Determine Prognosis
• Cirrhosis (MELD, Child-Pugh)
• Chronic Kidney Disease (Kidney Failure Risk Equation)
• Heart failure
• Lymphoma (NCCN-IPI, IPI24, R-IPI)
• Myelodysplastic Syndrome (IPSS-R, WPSS)
• Myeloma (ISS, R-ISS)
• Hemodialysis
• COPD (Bode)
• Pancreatitis (BISAP, Ranson's)
• Cardiac surgery (Euroscore II, Cleveland Clinic, Mehta)
• Critical care (APACHE II, SOFA)
• Neurologic outcome (DRAGON, CAM-ICU, modified Rankin, FOUR score, Hunt & Hess)
Calculate
• Ideal body weight, BMI and BSA
• Due date and gestational age
• Extensive formula used in echocardiography and invasive hemodynamic monitoring
• Kt/V in dialysis patients
• eGFR with CKD-EPI, MDRD & Schwartz
• A-a gradient
Classify
• Angina (CCS)
• Congestive heart failure (NYHA)
Screen
• Diabetes
• Breast cancer
Reduce and predict perioperative complications
• WHO Surgical Safety Checklist
• Predictive models for cardiac surgery, vascular surgery and coronary angiography
• Postoperative Respiratory Failure Risk score
Manage
• Head, neck, ankle and knee injuries (NEXUS, Ottawa ankle/knee, Canadian C-spine and CT head rules)
• DVT and PE (PERC, Wells, PESI)
• Pulmonary nodules
• TIA (ABCD2)
Stage
• Lung cancer
• Renal cell carcinoma
• Head & neck cancers
Understand
• TTKG in hypokalemia and hyperkalemia
• Dermatomes
Diagnose
• Heparin Induced Thrombocytopenia
• Infective Endocarditis
• ARDS
• Autoimmune Hepatitis
• Sleep disorder (Epworth Sleepiness Scale)
And much, much more...
Researchers, contact us to see your research in our app at contact@qxmd.com
Founded my medical professionals, QxMD Software is dedicated to creating high quality, point-of-care tools for practicing health care professionals. Recognized as a leading developer of free medical software for mobile devices, QxMD develops content in cooperation with expert physicians from their respective fields.
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 118.2 MB
- Content rating
- High
Technologies used by Calculate by QxMD
Releases
Updates seen on the App Store- Version
- 9.5
- Launched
- March 2010
No changelog data
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Rankings
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About the app and developer
About Calculate by QxMD
Calculate by QxMD is a medical app developed by WebMD.
User Ratings
Calculate by QxMD is rated 4.79 out of 5 stars. The rating is based on 5.1 thousand ratings.
App Information
Calculate by QxMD is freely available from the App Store. The app size is 118.23 MB. The latest version available is 9.5. The last update was on December 19, 2025.
Technical Requirements
The app has a content rating of High Maturity. The app has been available on the App Store since March 2010.
Developer information for WebMD
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