Best Weight Loss Calculator Percentage Apps

246+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

Out of 246+ weight loss calculator percentage 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.

Compare top Weight Loss Calculator Percentage Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BMI Calculator – Weight LossBMI Calculator – Weight LossFree4.5★ (28K)NoYesAug 2026
2Simple Diet Plan for Ideal Weight Loss - Daily Calorie Intake Counter with Healthy BMI Calculator to Lose FatSimple Diet Plan for Ideal Weight Loss - Daily Calorie Intake Counter with Healthy BMI Calculator to Lose FatFree1.4★ (11)NoNoMay 2026
3Weight Loss Simple Tracker AppWeight Loss Simple Tracker AppFree4.7★ (2.2K)YesYesAug 2026
4BMI Calculator for Weight LossBMI Calculator for Weight LossFree4.7★ (2K)YesNoAug 2026
5Weight Loss Surgery CalculatorWeight Loss Surgery CalculatorFree4.7★ (9)NoNoMay 2026
6Weight Diary LiteWeight Diary LiteFree4.8★ (7.1K)YesNoAug 2026
7Weight Loss Tracker - BMI, BMRWeight Loss Tracker - BMI, BMRFree3.9★ (14)YesYesJul 2026
8Weight Calculator BMI BMR RDIWeight Calculator BMI BMR RDIFree3.8★ (9)YesYesAug 2026

Top Picks for Weight Loss Calculator Percentage

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
Weight Loss Simple Tracker App#3

Weight Loss Simple Tracker App by Sttir, Inc.

Track daily goals & motivation
Worth Considering
💪 Health & Fitness
4.7😊(2.2K ratings)
FreeAdsIn-App Purchases
Weight Loss Simple Tracker App screenshot 1
Weight Loss Simple Tracker App screenshot 2
Weight Loss Simple Tracker App screenshot 3
Weight Loss Simple Tracker App screenshot 4
Weight Loss Simple Tracker App screenshot 5
Weight Loss Simple Tracker App screenshot 6

This app helps users track their weight loss journey by recording daily weight, body fat percentage, and BMI. It offers visual progress tracking with graphs and avatar changes, along with reminders and notes to stay motivated. Premium features include an ad-free experience, data backup, and enhanced customization options.

What We Love

  • 👍 Easy to use
  • 🚀 Simple and straightforward
  • 💡 Motivating avatar changes
  • 📊 Helpful graphs and progress tracking

Room to Improve

  • 🙁 Discouraging avatar designs
  • 🤔 Limited customization options
  • 💰 Premium features too expensive

More Weight Loss Calculator Percentage apps to explore

4
BMI Calculator for Weight Loss
BMI Calculator for Weight Loss
BMI Calculator for Weight Loss
Body Mass Index & Ideal Weight
Free

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.

BMI calculationIdeal weight calculationWeight loss tracking support
💪 Health & Fitness
(2K)
ad-supported
5
Weight Loss Surgery Calculator
Weight Loss Surgery Calculator
Weight Loss Surgery Calculator
Bariatric Weight Estimations
Free

Estimate potential weight loss from various bariatric surgeries. Calculate BMI, target weights, and percentage of excess body weight lost. Useful for medical professionals and individuals considering surgical weight loss.

Calculate BMIEstimate potential weight lossDetermine potential final weight
🏥 Medical
(9)
free
6
Weight Diary Lite
Weight Diary Lite
Weight Diary Lite
daily weight loss tracker
Free

Track your weight loss journey with this intuitive app. It helps you monitor daily weight entries, visualize progress with a trend line, and estimate time to reach your goals without calorie counting. Includes calculators for goals and calories, plus privacy features.

Daily weight trackingProgress trend line visualizationGoal and calorie calculators
💪 Health & Fitness
(7.1K)
ad-supported
7
Weight Loss Tracker - BMI, BMR
Weight Loss Tracker - BMI, BMR
Weight Loss Tracker - BMI, BMR
Calorie Counter-BMI calculator
Free

This app helps you track your weight loss journey by calculating BMI, BMR, and body fat percentage. It also includes a calorie counter to monitor your daily intake and expenditure, aiding you in reaching your ideal weight.

Integrated BMI calculatorCalorie counterBMR calculator
💪 Health & Fitness
(14)
free with in-app purchases
8
Weight Calculator BMI BMR RDI
Weight Calculator BMI BMR RDI
Weight Calculator BMI BMR RDI
Calculate your ideal weight
Free

Calculate your Body Mass Index (BMI), ideal weight, Basal Metabolic Rate (BMR), and Recommended Daily Intake (RDI). This tool helps you understand your body's health metrics based on height and weight.

Body Mass Index (BMI) calculationIdeal weight estimationBasal Metabolic Rate (BMR) calculation
💪 Health & Fitness
(9)
free with in-app purchases
9
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
10
Calorie Counter:Lose Weight
Calorie Counter:Lose Weight
Calorie Counter:Lose Weight
Fit&Food/Diet calorie tracker
Free

Track your daily calorie intake and exercise to manage your weight. It calculates body mass index, body fat percentage, and ideal body weight. Integrates with Apple Health for seamless data import.

BMI and body fat percentage calculationCalorie intake trackingExercise calorie burn tracking
💪 Health & Fitness
(16)
ad-supported
11
BMI Calculator‰
BMI Calculator‰
BMI Calculator‰
Body Mass Index Calculator
Free

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.

BMI calculationInput heightInput weight
💪 Health & Fitness
(24K)
ad-supported
12
Weight loss tracker - BMI
Weight loss tracker - BMI
Weight loss tracker - BMI
Daily weight loss tracker
Free

Monitor your weight and calculate your BMI with this user-friendly app. Log daily measurements, add notes, pictures, and track your progress with charts. Set goals and stay motivated on your health journey.

Daily weight loggingBMI calculationProgress charts
💪 Health & Fitness
(1K)
ad-supported
13
BMI, BMR, Body Fat Calculator
BMI, BMR, Body Fat Calculator
BMI, BMR, Body Fat Calculator
Find Ideal Weight for Height
Free

Easily calculate your Body Mass Index (BMI), Basal Metabolic Rate (BMR), and Body Fat Percentage. Get personalized health insights, including ideal calorie intake and weight ranges, with a simple and intuitive interface.

BMI, BMR, & Body Fat Percentage CalculationFlexible unit inputs (cm, ft/in, kg, lbs)Comprehensive health insights
💪 Health & Fitness
(10)
free with in-app purchases
14
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
15
Weight Tracker & Check BMI
Weight Tracker & Check BMI
Weight Tracker & Check BMI
Daily Track Weight Loss & Gain
Free

Easily track your daily weight changes to monitor progress towards your fitness goals. The app helps you set targets, log measurements, and analyze your weight loss or gain with smart charts and statistics. It also calculates your Body Mass Index (BMI) and suggests an ideal body weight.

Set and track weight goalsDaily weight loggingBMI calculation
💪 Health & Fitness
(56)
free with in-app purchases
16
Easy Weight Loss Fitness Tips!
Easy Weight Loss Fitness Tips!
Easy Weight Loss Fitness Tips!
Meal Plan, Running, Motivation
Free

Discover easy weight loss and diet tips curated by experts in health and nutrition. This free app offers practical advice to help you shed pounds and stay motivated on your fitness journey.

Easy weight loss tipsDiet tipsSave favorite tips
🏥 Medical
(48)
free
17
Found – Weight Care
Found – Weight Care
Found – Weight Care
Weight care, your way
Free

This app offers a personalized weight care program designed to help users achieve sustainable results. It facilitates communication with a health coach, tracks daily routines, and provides support for navigating lifestyle changes and challenges.

Personalized care programDaily updates with health coachTrack routines and reflections
💪 Health & Fitness
(8.8K)
ad-supported
18
Macro_Calculator
Macro_Calculator
Macro_Calculator
Calculate Macros
Free
🔧 Utilities
(0)
19
Weight Tracker, BMI calculator
Weight Tracker, BMI calculator
Weight Tracker, BMI calculator
Lose, scale, gain body tracker
Free
💪 Health & Fitness
(0)
20
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

FAQ about Weight Loss Calculator Percentage

What are the best weight loss calculator percentage apps for iPhone?
BMI Calculator – Weight Loss tops our weight loss calculator percentage apps ranking as of August 2026, with a 4.5-star average from 28K App Store ratings, and it's free to download.
Yes — 20 of the top weight loss calculator percentage apps we rank are free to download, including BMI Calculator – Weight Loss and Simple Diet Plan for Ideal Weight Loss - Daily Calorie Intake Counter with Healthy BMI Calculator to Lose Fat.
BMI Calculator – Weight Loss has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 246+ weight loss calculator percentage apps on the iOS App Store as of August 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.