Best Body Mass Index Calculator App

224+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

Out of 224+ body mass index calculator app apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Body Mass Index Calculator App

BMI Calculator – Weight Loss#1

BMI Calculator – Weight Loss by Steffen Mayer

Calculate your ideal weight
Editor's Choice
💪 Health & Fitness
4.5😞(27K ratings)
FreeIn-App Purchases
BMI Calculator – Weight Loss screenshot 1
BMI Calculator – Weight Loss screenshot 2
BMI Calculator – Weight Loss screenshot 3

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.

What We Love

  • 🚀 Easy to use
  • 📊 Helps track progress
  • 💪 Motivates weight loss

Room to Improve

  • 🤕 Can cause insecurity
  • 🚫 Inaccurate BMI calculations
  • 🚨 Promotes unhealthy behaviors
BMI Calculator‰#2

BMI Calculator‰ by Tim O's Studios, LLC

Body Mass Index Calculator
Strong Contender
💪 Health & Fitness
4.9😐(24K ratings)
FreeAds
BMI Calculator‰ screenshot 1
BMI Calculator‰ screenshot 2

Easily calculate your Body Mass Index (BMI) with this straightforward application. It provides a quick way to understand your weight status based on your height and weight.

What We Love

  • 🚀 Quick and easy to use
  • 👍 Straightforward interface
  • ✅ Accurate BMI calculations
  • 💡 Supports both metric and imperial units

Room to Improve

  • 🐛 Inability to input decimal values for height and weight
  • 🔍 Lacks advanced features like body composition analysis
  • 💸 Aggressive advertising interrupting usage
BMI Calculator for Weight Loss#3

BMI Calculator for Weight Loss by VisualHype GmbH

Body Mass Index & Ideal Weight
Worth Considering
💪 Health & Fitness
4.7😐(1.7K ratings)
FreeAds
BMI Calculator for Weight Loss screenshot 1
BMI Calculator for Weight Loss screenshot 2
BMI Calculator for Weight Loss screenshot 3

Calculate your Body Mass Index (BMI) and ideal weight with this easy-to-use tool. Track your BMI to support weight loss efforts. Ideal for both men and women.

What We Love

  • 👍 Easy to use
  • 📈 Helpful for tracking progress
  • 🚀 Quick calculations
  • 💯 Accurate BMI information

Room to Improve

  • 🐛 Inaccurate BMI categorization
  • 🚫 Metric-only measurements
  • 📢 Intrusive ads

More Body Mass Index Calculator App apps to explore

4
Body Mass Index Calculator App
Body Mass Index Calculator App
Body Mass Index Calculator App
Calculate your body mass index
Free

Easily calculate your Body Mass Index by entering your weight and height. Track your BMI over time to monitor your health journey. This tool provides quick insights into your body weight status.

Calculate Body Mass IndexEnter weight and heightTrack calculated values over time
🏥 Medical
(104)
ad-supported
5
Progress Body Tracker: My BMI
Progress Body Tracker: My BMI
Progress Body Tracker: My BMI
Fat Measurement & Weight Loss
Free

Track your weight loss, body measurements, and BMI with this app. Log photos and data to visualize your progress, understand the impact of workouts and diets, and stay motivated with rewards. Syncs with health platforms.

Weight loss goal trackingBody measurement loggingBMI calculation
💪 Health & Fitness
(9.2K)
free with in-app purchases
6
BMI Calculator ~
BMI Calculator ~
BMI Calculator ~
Weight Loss Tracker
Free

Calculate your Body Mass Index (BMI) and track your weight loss journey. Set goals, monitor progress with daily tracking and weekly reminders, and gain insights through clear statistics and visualizations. Integrates with HealthKit for a comprehensive health overview.

BMI calculation by age and sex31-day weight-loss challengeDaily local weight tracking
💪 Health & Fitness
(524)
subscription
7
BMI Calculator - Fast & Simple
BMI Calculator - Fast & Simple
BMI Calculator - Fast & Simple
Check out your Body Mass Index
Free

Easily calculate your Body Mass Index (BMI) by entering your weight and height. The app provides a quick estimate and displays a chart to help you understand what an ideal BMI looks like for you.

Calculate BMI with weight and heightImperial and Metric unit supportIdeal BMI chart visualization
💪 Health & Fitness
(8)
free
8
Spren Body Composition Scanner
Spren Body Composition Scanner
Spren Body Composition Scanner
Measure Body Fat Percentage
Free

This app uses your smartphone to measure body fat percentage, BMI, and body composition. It provides detailed health reports, tracks weight loss, and offers personalized nutrition plans, acting as a smart scale alternative with research-grade analysis.

Body fat percentage measurementBMI calculatorBody composition analysis
💪 Health & Fitness
(1.5K)
free with in-app purchases
9
BMI Calculator Body Mass Index
BMI Calculator Body Mass Index
BMI Calculator Body Mass Index
Fat Percentage Weight Tracker
Free

Calculate your Body Mass Index (BMI) using weight and height. Log your BMI over time, visualize your progress with graphs, and export your data. This tool is designed for adults aged 20 and above.

Calculate BMILog BMI over timeGraphical BMI tracking
💪 Health & Fitness
(332)
free with in-app purchases
10
BMI Calculator, Weight Tracker
BMI Calculator, Weight Tracker
BMI Calculator, Weight Tracker
Daily weight loss tracker app
Free

Calculate your Body Mass Index (BMI) and monitor your weight progress with detailed analytics and infographics. Track weight loss, analyze weight gain, and set target weights for personalized feedback. Features automatic cloud backup for your data.

BMI calculation for multiple profilesWeight monitoring and trend analysisBody fat percentage insights
💪 Health & Fitness
(84)
free
11
BMI, BMR & Body Fat Calculator
BMI, BMR & Body Fat Calculator
BMI, BMR & Body Fat Calculator
BodyFat Percentage, TDEE, EER
Free

Calculate key body metrics like BMI, BMR, and body fat percentage. Track progress with charts, access diet plans, recipes, and fitness blogs for a holistic approach to health.

BMI, BMR, and Body Fat calculationIdeal Body Weight and Daily Water Intake trackingDiet plans and recipes
💪 Health & Fitness
(333)
free with in-app purchases
12
MeThreeSixty: 3D Body Scan・BMI
MeThreeSixty: 3D Body Scan・BMI
MeThreeSixty: 3D Body Scan・BMI
Weight Loss & Health Tracker
Free

Transform your phone into a 3D body scanner to accurately track your progress. Get detailed body measurements and visualize your changes with a personal 3D avatar. All your data stays private on your device.

3D body scanner using smartphone14+ trackable body measurements3D body avatar with comparisons
💪 Health & Fitness
(18K)
free with in-app purchases
13
Mobile BMI Calculator
Mobile BMI Calculator
Mobile BMI Calculator
Body Mass Index Calculator
Free

Calculate your Body Mass Index (BMI) using your height and weight. This tool helps assess body fat and potential health risks for adults, offering a quick measure of your height/weight ratio.

Calculate BMIUses height and weightApplies to adult men and women
💪 Health & Fitness
(8)
ad-supported
14
BMI - BMR Calculator
BMI - BMR Calculator
BMI - BMR Calculator
Body Mass Index Calculator
Free

Calculate your Body Mass Index (BMI) and Ideal Body Weight. It also computes your Basal Metabolic Rate (BMR) and Total Energy Expenditure. Track your daily weight, water intake, and exercise to monitor progress.

BMI calculationIdeal Body Weight rangeBMR and Total Energy Expenditure
💪 Health & Fitness
(158)
free with in-app purchases
15
BMI Calculator: Weight Tracker
BMI Calculator: Weight Tracker
BMI Calculator: Weight Tracker
BMI & Weight Loss Tracker
Free

Calculate your Body Mass Index (BMI) using age, gender, height, and weight. Track your health progress, find your ideal weight, and receive tips for weight control. Supports metric and imperial units and syncs with Apple Health.

Calculate BMI scientificallyFind ideal weightLog BMI history
💪 Health & Fitness
(328)
free with in-app purchases
16
BMI Calculator - BMR Manager
BMI Calculator - BMR Manager
BMI Calculator - BMR Manager
Fitness Tracker & Weight Loss
Free

Calculate your Body Mass Index (BMI) and Basal Metabolic Rate (BMR) with this fitness tracker. It provides accurate measurements based on your weight, height, and age, helping you understand body fat and estimate daily calorie needs for weight management. Supports imperial and metric units and tracks your history offline.

BMI calculationBMR calculationHistory tracking
💪 Health & Fitness
(290)
free with in-app purchases
17
Calculator - smart tool & body mass index checker
Calculator - smart tool & body mass index checker
Calculator - smart tool & body mass index checker
by VLADYSLAV YERSHOV
Free
📊 Productivity
(0)
18
Body Fat Calculator By Fittur
Body Fat Calculator By Fittur
Body Fat Calculator By Fittur
Army & Navy Percentage Tracker
Free

Estimate your body fat percentage using gender, height, and measurements. Compare your results with professionally rendered 3D body fat images for enhanced accuracy. Track changes in body composition over time.

US Navy body fat formula calculation3D body fat image comparisonsVisual comparison for different body shapes
💪 Health & Fitness
(955)
free
19
Body Mass Index - Calculator
Body Mass Index - Calculator
Body Mass Index - Calculator
by Marvin Wagner
Free

Easily calculate your Body Mass Index (BMI) using metric or imperial units. This app features a clean design and supports multiple languages for a user-friendly experience.

BMI calculationMetric and Imperial unitsMulti-language support
💪 Health & Fitness
(0)
free
20
Calculate BMI: Body Mass Index
Calculate BMI: Body Mass Index
Calculate BMI: Body Mass Index
Calculate Ideal Weight (BMI)
Free
💪 Health & Fitness
(0)