Best Health Calculators Apps

0+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated July 2026

Out of 0+ health calculators apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Health Calculators Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Health calculator: weight, BMIHealth calculator: weight, BMIFree4.6★ (47)YesNoAug 2026
2Nutrition Tracker: FoodnomsNutrition Tracker: FoodnomsFree4.7★ (7.6K)NoYesSep 2026
3Calculate by QxMDCalculate by QxMDFree4.8★ (5.1K)YesNoSep 2026
4DR.EPIC HEALTH CALCULATORDR.EPIC HEALTH CALCULATORFree5.0★ (2)YesNoMay 2026
5WithingsWithingsFree4.6★ (363K)NoYesSep 2026
6BMI Calculator‰BMI Calculator‰Free4.9★ (24K)YesNoSep 2026
7MDCalc Medical CalculatorMDCalc Medical CalculatorFree4.9★ (52K)NoNoSep 2026
8Peptides CalculatorPeptides CalculatorFree was $2.994.3★ (170)NoYesSep 2026

Top Picks for Health Calculators

Health calculator: weight, BMI#1

Health calculator: weight, BMI by Hoang Tue

Weight gain / loss, pregnancy
Editor's Choice
💪 Health & Fitness
4.6(47 ratings)
FreeAds
Health calculator: weight, BMI screenshot 1
Health calculator: weight, BMI screenshot 2
Health calculator: weight, BMI screenshot 3
Health calculator: weight, BMI screenshot 4

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.

Nutrition Tracker: Foodnoms#2

Nutrition Tracker: Foodnoms by Algebraic Labs, LLC

Log Food and Track Your Macros
Strong Contender
💪 Health & Fitness
4.7😊(7.6K ratings)
FreeIn-App Purchases
Nutrition Tracker: Foodnoms screenshot 1
Nutrition Tracker: Foodnoms screenshot 2
Nutrition Tracker: Foodnoms screenshot 3
Nutrition Tracker: Foodnoms screenshot 4
Nutrition Tracker: Foodnoms screenshot 5
Nutrition Tracker: Foodnoms screenshot 6

Easily log your meals and track your progress towards custom nutrition goals. This app offers fast food logging, detailed insights into your eating habits, and seamless integration with Apple Health. Monitor calories, macros, and more to achieve your health and fitness objectives.

What We Love

  • 🚀 Easy to use
  • 🔒 Privacy-focused
  • 👍 Intuitive interface
  • 👍 Seamless Apple ecosystem integration
  • 🚀 Efficient barcode and label scanning
  • 👍 Customizable goals and tracking
  • 👍 Clean and modern design
  • 👍 Responsive developer
  • 👍 Affordable subscription
  • 👍 Helpful AI meal generation

Room to Improve

  • 🐛 Limited food database, especially for non-US items
  • 🐛 Occasional syncing issues
  • 🐛 Inability to edit existing food entries
  • 🐛 Lack of water and beverage tracking in free version
  • 🐛 Difficulty entering fluids on Apple Watch
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
  • 🧠 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 Calculators apps to explore

FAQ about Health Calculators

What are the best health calculators apps for iPhone?
Health calculator: weight, BMI tops our health calculators apps ranking as of July 2026, with a 4.6-star average from 47 App Store ratings, and it's free to download.
Yes — 19 of the top health calculators apps we rank are free to download, including Health calculator: weight, BMI and Nutrition Tracker: Foodnoms.
Health calculator: weight, BMI shows ads and has no in-app purchases, according to its App Store listing as of July 2026.
Health calculator can measure your BMI, daily calorie requirements for weight gain or loss, target heart rate training zones, blood volume, daily water intake, ideal weight, pregnancy due date, ovulation period, and blood donation eligibility.
The app uses your personal data, including height, weight, age, and gender, to provide accurate and personalized health calculations.