Best Health Calculator App

0+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

Every iPhone needs a few good health calculator app. We benchmark 0+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Health Calculator App (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1FollowMyHealth®FollowMyHealth®Free4.8★ (112K)NoNoAug 2026
2FITTR: Health & Fitness AppFITTR: Health & Fitness AppFree4.6★ (2.4K)NoYesAug 2026
3Calculate by QxMDCalculate by QxMDFree4.8★ (5.1K)YesNoAug 2026
4Mayo ClinicMayo ClinicFree3.4★ (3.3K)NoNoAug 2026
5Function HealthFunction HealthFree4.9★ (24K)NoNoAug 2026
6BMI Calculator – Weight LossBMI Calculator – Weight LossFree4.5★ (28K)NoYesAug 2026
7iHealth MyVitalsiHealth MyVitalsFree4.8★ (146K)NoNoAug 2026
8BMI Calculator・Weight TrackerBMI Calculator・Weight TrackerFree4.8★ (508)NoYesAug 2026

Top Picks for Health Calculator App

4.8😐(112K ratings)
Free
#16in Medical
FollowMyHealth® screenshot 1
FollowMyHealth® screenshot 2
FollowMyHealth® screenshot 3
FollowMyHealth® screenshot 4
FollowMyHealth® screenshot 5

Manage your personal health records and communicate with your care team. Access medical profiles, schedule appointments, view results, and handle prescriptions and billing securely. Integrates with Apple Health and offers convenient access via Apple Watch and Touch ID.

What We Love

  • 💻 Comprehensive medical records access
  • 💬 Easy communication with doctors
  • 🗓️ Convenient appointment management
  • 🔍 Detailed test results and health information

Room to Improve

  • 🐛 Inconsistent app performance and crashes
  • 🤖 Lack of human support and poor responsiveness
  • 🔍 Difficulty accessing and understanding medical data
FITTR: Health & Fitness App#2

FITTR: Health & Fitness App by SQUATS

Health Tests, Workouts & Diets
Strong Contender
💪 Health & Fitness
4.6😊(2.4K ratings)
FreeIn-App Purchases
FITTR: Health & Fitness App screenshot 1
FITTR: Health & Fitness App screenshot 2
FITTR: Health & Fitness App screenshot 3
FITTR: Health & Fitness App screenshot 4
FITTR: Health & Fitness App screenshot 5
FITTR: Health & Fitness App screenshot 6

This app helps you proactively manage your health through a science-backed ecosystem. It integrates wearables, smart tools, and lab tests to help you understand your body, diagnose potential issues, and implement personalized lifestyle interventions for long-term well-being.

What We Love

  • 👍 Excellent fitness and nutrition guidance
  • 👍 Helpful and supportive community
  • 👍 Customized diet and workout plans
  • 👍 Comprehensive knowledge base

Room to Improve

  • 🐛 Inconsistent customer support
  • 🐛 Buggy app performance issues
  • 🐛 Lack of flexibility in coach selection
Calculate by QxMD#3

Calculate by QxMD by WebMD

Medical Calculator
Worth Considering
🏥 Medical
4.8😊(5.1K ratings)
FreeAds
Calculate by QxMD screenshot 1
Calculate by QxMD screenshot 2
Calculate by QxMD screenshot 3
Calculate by QxMD screenshot 4
Calculate by QxMD screenshot 5

This clinical calculator and decision support tool offers over 200 medical calculators and tools for diagnosis, treatment, and prognosis. It adapts to your practice and provides detailed references, integrating with PubMed and Read by QxMD.

What We Love

  • ⭐ Excellent app
  • 📋 Comprehensive set of calculators
  • 🔍 Helpful references and explanations
  • 🔧 Useful for daily practice

Room to Improve

  • 🐛 App freezes or crashes
  • 🔍 Some calculators not working
  • 🔑 Repeated login requests

More Health Calculator App apps to explore

4
Mayo Clinic
Mayo Clinic
Mayo Clinic
Ranked #1 in the Nation
Free

Manage your health with tools for tracking information, scheduling appointments, and accessing medical records. Get health news, research-backed answers, and connect with care teams. Request appointments with experts and utilize online care options.

Track health informationSchedule and manage appointmentsAccess medical records and test results
🏥 Medical
(3.3K)
free
5
Function Health
Function Health
Function Health
100 Healthy Years
Free

Take control of your health with comprehensive lab testing, personalized protocols, and AI-powered insights. Understand your body's data, track changes over time, and make informed decisions for long-term wellness. Connect wearables and upload records for a complete health picture.

160+ lab tests annuallyPersonalized health protocolsPrivate AI Chat for results
💪 Health & Fitness
(24K)
subscription
6
BMI Calculator – Weight Loss
BMI Calculator – Weight Loss
BMI Calculator – Weight Loss
Calculate your ideal weight
Free

Calculate and track your Body Mass Index (BMI) with this user-friendly app. It provides personalized health insights, ideal weight recommendations, and supports various units and classification systems. Monitor your weight journey and understand health risks.

Instant BMI calculation with animated gaugePersonalized health insightsIdeal weight recommendations
💪 Health & Fitness
(28K)
free with in-app purchases
7
iHealth MyVitals
iHealth MyVitals
iHealth MyVitals
by iHealth Labs Inc.
Free

Easily manage and view your health data by connecting iHealth devices. Store measurements securely in the cloud, visualize trends with graphs, and share updates with your care team. Sync data with HealthKit for comprehensive health monitoring.

Health data managementCloud data storageDevice connectivity
💪 Health & Fitness
(146K)
free
8
BMI Calculator・Weight Tracker
BMI Calculator・Weight Tracker
BMI Calculator・Weight Tracker
Lose or Gain for Happy Body
Free

Easily calculate your Body Mass Index (BMI) and track your weight progress. Visualize your trends with graphs, gain predictive insights, and set goals for your health journey. Supports metric and imperial systems, with Apple Watch integration.

BMI CalculationWeight TrackingMetric and Imperial Systems
💪 Health & Fitness
(508)
freemium
9
A1C Monitor For CGM
A1C Monitor For CGM
A1C Monitor For CGM
Diabetes Food Glucose Tracker
Free

Effortlessly track your estimated A1C with this app that pulls glucose data directly from Apple Health. It provides continuous insights into long-term glucose trends without manual logging or fingersticks.

Automatic A1C estimationReads data from Apple HealthSupports CGMs syncing to Apple Health
💪 Health & Fitness
(25)
ad-supported
10
Lark Health
Lark Health
Lark Health
Smart, connected, health coach
Free

This app offers personalized health programs and 24/7 digital coaching to help you achieve your individual health goals. It provides tools for habit building, chronic condition management, and tracking various health metrics, often at no cost through eligible insurance.

Personalized health programs24/7 digital health coachingFood and activity tracking
💪 Health & Fitness
(8K)
free
11
Health Checkup Fitness Test
Health Checkup Fitness Test
Health Checkup Fitness Test
Fitness test - Fitness tracker
Free

This app helps you monitor your health with various calculators and tests. It offers tools for tracking blood sugar, blood pressure, BMI, and more, aiding in regular health checkups for adults and children. Analyze your data and gain insights into your well-being.

Blood sugar calculatorBlood pressure calculatorBMI and body fat calculator
💪 Health & Fitness
(5)
free
12
TDEE Calculator - TDEECalc
TDEE Calculator - TDEECalc
TDEE Calculator - TDEECalc
Adaptive Macro,Calorie Counter
Free

This app helps you manage your fitness journey by calculating key metrics like TDEE, BMR, BMI, and ideal body weight. It also provides daily macronutrient recommendations for personalized nutrition plans. Enjoy a private, ad-free experience with all data stored locally.

TDEE CalculatorBMR CalculatorBMI Calculator
💪 Health & Fitness
(4)
free
13
Health App AI
Health App AI
Health App AI
Dashboard for Apple Health
Free

This app transforms your Apple Health data into a personalized, easy-to-understand health hub. It offers detailed historic analysis, AI-powered insights into trends and correlations, and customizable goal tracking for various health metrics. Visualize your progress with custom widgets and smart reminders.

Personalized health viewsAI-powered insights and trendsCustomizable goal tracking
💪 Health & Fitness
(206)
free with in-app purchases
14
Sutter Health My Health Online
Sutter Health My Health Online
Sutter Health My Health Online
by Sutter Health
Free

Manage your health information and communicate with your doctor and care team directly from your mobile device. Access test results, request refills, schedule appointments, and view bills. It also allows for proxy access to family health information and integrates with Apple HealthKit for pilot users.

Message doctor and care teamReview test resultsRequest prescription refills
🏥 Medical
(16K)
free
15
Health calculator: weight, BMI
Health calculator: weight, BMI
Health calculator: weight, BMI
Weight gain / loss, pregnancy
Free

This app helps you manage your health by calculating key metrics like BMI, daily calorie needs, and target heart rate zones. It also assists with pregnancy planning and hydration goals based on your personal data.

BMI calculationDaily calorie requirementsTarget heart rate zones
💪 Health & Fitness
(47)
ad-supported
16
LiveWell with Advocate Aurora
LiveWell with Advocate Aurora
LiveWell with Advocate Aurora
Manage your health & wellness
Free

Access all your health information and manage your wellness in one place. Schedule appointments, message providers, view test results, and even start video visits. It also allows you to manage the health of loved ones and track fitness data.

Video and e-visitsManage family healthFind doctors and locations
🏥 Medical
(164K)
free
17
CardioCal
CardioCal
CardioCal
Cardiovascular Risk Calculator
Free

Calculate your 10-year risk of heart disease, stroke, or cardiovascular death based on WHO data. This tool helps healthcare providers and health-conscious individuals understand and discuss risk reduction strategies.

Cardiovascular risk calculationRegion-specific risk assessmentCountry selection for tailored results
🏥 Medical
(3)
free
18
Calculator - Calc
Calculator - Calc
Calculator - Calc
Calculator
Free
📚 Education
(0)
19
HY
HY
HY
HealthiestYou - Doctors 24/7
Free

Access 24/7 virtual doctor consultations for diagnosis and treatment. Compare healthcare costs, find providers, and manage your insurance plan. Optimize your health choices with personalized reminders and savings.

24/7 doctor consultationsProcedure price comparisonPrescription shopping
💪 Health & Fitness
(37K)
free with in-app purchases
20
Mobile Health Consumer
Mobile Health Consumer
Mobile Health Consumer
by Mobile Health Consumer, Inc.
Free

Access all your personal health benefits and resources in one place. Find coverage details, get personalized guidance for your health goals, and join health challenges by connecting with fitness trackers. Available to eligible members through their employer or health plan.

Access personal health benefitsView coverage detailsReceive personalized health guidance
💪 Health & Fitness
(1.1K)
free

FAQ about Health Calculator App

What is the best health calculator app for iPhone?
FollowMyHealth® tops our health calculator app ranking as of July 2026, with a 4.8-star average from 112K App Store ratings, and it's free to download.
Yes — 20 of the top health calculator app we rank are free to download, including FollowMyHealth® and FITTR: Health & Fitness App.
FollowMyHealth® has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
The app allows you to take control of your health information by providing a mobile version of your personal health record. You can view your health summary, communicate securely with your care team, schedule appointments, view test results, request prescription refills, and manage billing.
Key features include secure messaging with your care team, appointment scheduling, viewing lab results, managing prescriptions, paying bills, and accessing your medical profile and family members' profiles. It also integrates with Apple Health and offers features like Touch ID, push notifications, and Apple Watch compatibility.