Best Health Calculator App

0+ iOS apps curated and reviewed

4.6 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★ (116K)NoNoSep 2026
2FITTR: Health & Fitness AppFITTR: Health & Fitness AppFree4.6★ (2.4K)NoYesSep 2026
3Calculate by QxMDCalculate by QxMDFree4.8★ (5.1K)YesNoSep 2026
4Mayo ClinicMayo ClinicFree3.4★ (3.3K)NoNoSep 2026
5Function HealthFunction HealthFree4.9★ (24K)NoNoSep 2026
6BMI Calculator – Weight LossBMI Calculator – Weight LossFree4.5★ (28K)NoYesSep 2026
7iHealth MyVitalsiHealth MyVitalsFree4.8★ (155K)NoNoSep 2026
8BMI Calculator・Weight TrackerBMI Calculator・Weight TrackerFree4.8★ (508)NoYesSep 2026

Top Picks for Health Calculator App

4.8😐(116K ratings)
Free
#15in Medical
FollowMyHealth® screenshot 1
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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
  • 🔒 Secure and private platform

Room to Improve

  • 🐛 Inconsistent app performance and crashes
  • 🤖 Lack of human support and poor responsiveness
  • 🔍 Difficulty accessing and understanding medical data
  • 🔄 Redundant notifications and sync issues
  • 🔒 Privacy concerns with staff accessing personal messages
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
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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
  • 👍 Motivating transformation stories
  • 👍 Easy to use app with useful features

Room to Improve

  • 🐛 Inconsistent customer support
  • 🐛 Buggy app performance issues
  • 🐛 Lack of flexibility in coach selection
  • 🐛 Difficulty tracking exercises and progress
  • 🐛 Excessive notification spam
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
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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
  • 🧠 Great for students and trainees

Room to Improve

  • 🐛 App freezes or crashes
  • 🔍 Some calculators not working
  • 🔑 Repeated login requests
  • 🔍 Outdated or missing features
  • 🚫 Ads can be intrusive

More Health Calculator App apps to explore

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 116K 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.