Medical Calculators is an app by IOBear in the Medical category, listed since at least February 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
It asks for 12 permissions, none of them sensitive. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.
What's new in v2.3.5
1. Multiple language selection (except for English and Chinese, other languages are AI translated)
2. Fixed bugs.
Description
From the listing uploaded by “appupdater”.
Feature
1. Most simple, convenient and fast user interface.
2. Automatically calculating when complete inputting data.
3. Automatically converting unit, and saving default unit.
4. Reference included.
5. Search function
6. In-calculator searching and switching function.(only for full-version)
7. Memory of result on phone.
8. All Calculators listed below:
Anion Gap
Corrected Calcium for Hypoalbuminemia
Hemodialysis - Kt/V(Daugirdas) and URR
Urea reduction ratio (URR)
ABCD2 score (Risk of stroke for TIA)
Absolute Neutrophil Count (ANC)
Alvarado Score for Acute Appendicitis
Alveolar arterial gradient
Analysis of blood acid-base condition
APACHE II Score
Apgar Score
Barthel Index
Basal Metabolic Rate - BMR (Mifflin - St Jeor Formula)
Bicarbonate (HCO3-) deficit
Body Mass Index and ideal body weight
Body Surface Area(Du Bois)
Burn Classification
CHA2DS2-VASc Score (Af Stroke Risk)
Child-Pugh score (Liver Cirrhosis)
Clinical Dementia Rating (CDR)
Clinical Pulmonary Infection Score (CPIS) for Ventilator-Associated Pneumonia (VAP)
Corrected Calcium by Total Protein
Corrected QT interval(Bazett's formula)
Creatinine Clearance(CCr) Cockcroft-Gault
CURB-65 Pneumonia Severity Score
Diagnostic Criteria for Kawasaki Disease
Diagnostic Rule for Acute Gouty Arthritis
Differentiation of early repolarization from subtle anterior STEMI
Estimated Date of Delivery (EDD)
Fractional Excretion of Sodium (FENa)
Framingham Criteria for Congestive Heart Failure
Free water deficit in hypernatremia
Friedwald equation(estimate LDL cholesterol)
Ganzoni Equation (Total Iron Deficit)
GFR (MDRD), and CKD stage
GFR, CKD stage (calc by CCr Cockcroft-Gault and BSA)
Glasgow Coma Scale - GCS
Glasgow-Blatchford score (for upper GI bleeding)
HAS-BLED Score for Major Bleeding Risk
HbA1c and Estimated Average Glucose
HEART Score for ED Chest Pain Risk Stratification
Henderson-Hasselbalch equation (pH)
Injury Severity Score (ISS)
Killip class (for acute myocardial infarction)
Kocher Criteria for Septic Arthritis
Light's criteria, pleural effusion
Maintenance fluid
MASCC Risk Index Score for Febrile neutropenia
Mean Arterial Pressure - MAP
MELD Score (Model For End-Stage Liver Disease) (for age ≥12)
Mini-Mental State Examination (MMSE)
Modified Centor score (Sore throat score)
Modified Duke Infective Endocarditis Criteria
Modified Rankin Scale - MRS
Murray score for Acute Lung Injury
NIHSS
NPUAP Pressure Injury Stages
NYHA class (heart failure)
Oxygenation Index
Phenytoin level correction for renal failure/hypoalbuminemia
Pneumonia Severity Index (PSI)
Procalcitonin(PCT)-guided diagnosis and antibiotic stewardship
Pulmonary Embolism Severity Index (PESI)
Ranson's criteria, Pancreatitis Mortality
Revised Geneva Score for Predicting Probability of Pulmonary Embolism
Revised Trauma Score (RTS)
Serum Osmolality
SIRS Criteria
Sodium(Na) Correction Rate in Hypernatremia (Adrogue Formula)
Sodium(Na) Correction Rate in Hyponatremia
SOFA (Sepsis-related Organ Failure Assessment) score
TIMI Risk Score (for ACS, unstable angina, NSTEMI)
TIMI Risk Score (for STEMI)
Transtubular K Gradient (TTKG)
Trauma and Injury Severity Score(TRISS)
Wells' Criteria for deep vein thrombosis (DVT)
Wells Rule for Predicting Probability of Pulmonary Embolism
West Haven Criteria (Hepatic Encephalopathy Grades)
Security & authenticity
Security rating: Trusted
Signing certificate
Signature matches the Google Play versionChecked by the source store on Jun 3, 2026.
Certificate issued to “IOBear”This is the certificate of the Google Play version.
Store checks and file details
Developer signature verifiedJun 3, 2026
Validated against Google PlayJun 3, 2026
Signed byCN=CHIN SUNG TUNG, OU=APP DEVELOPER, O=IOBear, L=Pingtung, C=TW
Uploaded by “appupdater”Gold tier · 117,810 followers · uploading since 2020
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (12)
Medical Calculators requests 12 permissions, none of them sensitive.
Access adservices ad idandroid.permission.ACCESS_ADSERVICES_AD_ID
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is Medical Calculators free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the Medical Calculators APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is b00a28c67237f937e5d5b2f5daeced62.