Best Body Weight Calculator Apps

245+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated September 2026

Looking for free body weight calculator apps? 20 of our 245+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Body Weight Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BMI Calculator – Weight LossBMI Calculator – Weight LossFree4.5★ (28K)NoYesSep 2026
2BMI Calculator‰BMI Calculator‰Free4.9★ (24K)YesNoSep 2026
3Body Fat Calculator By FitturBody Fat Calculator By FitturFree4.6★ (955)NoNoSep 2026
4BMI Calculator for Weight LossBMI Calculator for Weight LossFree4.7★ (2K)YesNoSep 2026
5BMI Calculator + Weight LossBMI Calculator + Weight LossFree4.5★ (1.6K)YesYesSep 2026
6BMI Calculator・Weight TrackerBMI Calculator・Weight TrackerFree4.8★ (508)NoYesSep 2026
7My Lean Body Mass CalculatorMy Lean Body Mass CalculatorFree2.0★ (2)NoNoMay 2026
8Body Measurements Tracker AppBody Measurements Tracker AppFree4.6★ (9.3K)NoYesSep 2026

Top Picks for Body Weight Calculator

BMI Calculator – Weight Loss#1

BMI Calculator – Weight Loss by Steffen Mayer

Calculate your ideal weight
Editor's Choice
💪 Health & Fitness
4.5😞(28K 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
  • 🔧 Compatibility issues with newer OS versions
Body Fat Calculator By Fittur#3

Body Fat Calculator By Fittur by Fittur LLC

Army & Navy Percentage Tracker
Worth Considering
💪 Health & Fitness
4.6😞(955 ratings)
Free
Body Fat Calculator By Fittur screenshot 1
Body Fat Calculator By Fittur screenshot 2
Body Fat Calculator By Fittur screenshot 3
Body Fat Calculator By Fittur screenshot 4
Body Fat Calculator By Fittur screenshot 5
Body Fat Calculator By Fittur screenshot 6

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.

What We Love

  • 👍 Quick and easy to use
  • 💡 Helpful for tracking progress
  • 👍 Accurate body fat calculation

Room to Improve

  • 🐛 App gets stuck on last page of setup
  • 🐛 Demands download of another app
  • 🐛 Full-screen ads that cannot be closed
  • 🐛 Unreliable body fat estimation

More Body Weight Calculator apps to explore

FAQ about Body Weight Calculator

What are the best body weight calculator apps for iPhone?
BMI Calculator – Weight Loss tops our body weight calculator apps ranking as of September 2026, with a 4.5-star average from 28K App Store ratings, and it's free to download.
Yes — 20 of the top body weight calculator apps we rank are free to download, including BMI Calculator – Weight Loss and BMI Calculator‰.
BMI Calculator – Weight Loss has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 245+ body weight calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app calculates and tracks your Body Mass Index (BMI) using accurate and user-friendly methods. It offers personalized health insights, ideal weight recommendations, and visual feedback on your BMI categories. You can monitor your weight loss or gain journey and understand potential health risks associated with your BMI.
Key features include instant BMI calculation with an animated visual gauge, personalized health insights, and ideal weight recommendations. It supports metric and imperial units, offers a choice between WHO and DGE classification systems, and includes age and gender-specific calculations. The app also works offline and has a clean, intuitive interface.