Best Weight Loss Calculator Apps

226+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

Out of 226+ weight loss calculator 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 Weight Loss Calculator

Happy Scale#1

Happy Scale by Front Pocket Software LLC

Gewichtsverlustsverfolgung
Editor's Choice
💪 Health & Fitness
4.9😊(57K ratings)
FreeIn-App Purchases
Happy Scale screenshot 1
Happy Scale screenshot 2
Happy Scale screenshot 3
Happy Scale screenshot 4
Happy Scale screenshot 5
Happy Scale screenshot 6

Track your weight loss journey with ease using our app that analyzes your weigh-ins to reveal your true progress, predict future weights, and break goals into achievable milestones. Sync seamlessly across devices and stay motivated with Happy Scale. Join thousands of users who have tamed the scale!

What We Love

  • 👍 Excellent weight loss support tool
  • 👍 Motivating and engaging to track weight
  • 👍 Provides great insights and predictions
  • 👍 Smooths out weight fluctuations

Room to Improve

  • 🐛 Reminders don't work for some users
  • 💰 Subscription model is expensive for some
BMI Calculator – Weight Loss#2

BMI Calculator – Weight Loss by Steffen Mayer

Calculate your ideal weight
Strong Contender
💪 Health & Fitness
4.6😞(25K ratings)
FreeIn-App Purchases
BMI Calculator – Weight Loss screenshot 1
BMI Calculator – Weight Loss screenshot 2
BMI Calculator – Weight Loss screenshot 3

Calculate your ideal weight with this BMI Calculator, suitable for all ages. Easily evaluate your weight using metric or imperial systems. Visit appovo.com/support for feedback or assistance.

What We Love

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

Room to Improve

  • 🤕 Can cause insecurity
  • 🚫 Inaccurate BMI calculations
  • 🚨 Promotes unhealthy behaviors
Calorie Deficit Calculator#3

Calorie Deficit Calculator by Starry Web Ltd

Oatsy Macro Tracker Diet Coach
Worth Considering
💪 Health & Fitness
4.7😐(3.7K ratings)
FreeIn-App Purchases
Calorie Deficit Calculator screenshot 1
Calorie Deficit Calculator screenshot 2
Calorie Deficit Calculator screenshot 3
Calorie Deficit Calculator screenshot 4
Calorie Deficit Calculator screenshot 5
Calorie Deficit Calculator screenshot 6

Track your nutrition easily and achieve your weight loss goals with our app! Log food, water, and exercise effortlessly to become your healthiest self. Start now to track calories and macros effectively.

What We Love

  • 🚀 Simple and easy to use
  • 👍 Helpful for tracking calories and macros
  • 🚀 Efficient barcode scanning
  • 👍 Integrates with Apple Health

Room to Improve

  • 🐛 Bugs and glitches with the app
  • 🔍 Limited food options, especially for cultural dishes
  • 🔍 Inaccurate macro calculations

More Weight Loss Calculator apps to explore

4
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
Food, Fitness & Weight Tracker
Free

Track your daily food intake, exercise, and weight goals with a user-friendly calorie counting app. Stay on top of your macros and diet while monitoring your progress towards a healthier lifestyle. Start your wellness journey today!

💪 Health & Fitness
(2.3M)
5
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Food Tracker for Weight Loss
Free

This application is a powerful tool for weight loss, offering calorie counting, nutrition tracking, and intermittent fasting features to help users reach their goals. With a comprehensive food library, barcode scanner, and other useful tools, it's a convenient way to achieve a healthier lifestyle and track progress. Start your weight loss journey now!

💪 Health & Fitness
(757K)
6
Weight Diary Lite
Weight Diary Lite
Weight Diary Lite
daily weight loss tracker
Free

Track your weight loss journey effortlessly with a simple daily weight tracker that estimates your progress and goal achievement. Get instant insights with trend lines, BMI display, goal and calorie calculators, and more. Start reaching your fitness goals today!

💪 Health & Fitness
(6.9K)
7
Simple: AI Weight Loss Coach
Simple: AI Weight Loss Coach
Simple: AI Weight Loss Coach
Build a Healthy Body for Life
Free

Get personalized nutrition and exercise plans, track your progress, and receive coaching support with this weight loss application. Achieve your health goals easily with tailored guidance and motivation. Start your journey to a healthier you today!

💪 Health & Fitness
(35K)
8
WalkFit: Weight Loss Tracker
WalkFit: Weight Loss Tracker
WalkFit: Weight Loss Tracker
Tai Chi and Treadmill Tracker
Free

Get in shape with our WalkFit app! Stay active with indoor workouts designed to help you lose weight and stay healthy. Start your fitness journey today!

💪 Health & Fitness
(150K)
9
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Food Nutrition Macro Tracker
Free

Looking for a sleek and smart calorie counter with a free barcode scanner and food tracker? MyNetDiary is the ultimate personal assistant for weight loss, dieting, and nutrition. Users love its intuitive design and effectiveness in reaching fitness goals. Try it out today!

💪 Health & Fitness
(150K)
10
Your fatsecret to Weight Loss
Your fatsecret to Weight Loss
Your fatsecret to Weight Loss
Diet & Weight Loss Tracker
Free

Track your daily food intake, set nutrition goals, and monitor your progress with this comprehensive calorie counting app. Stay on top of your fitness goals and make informed choices about your diet. Start tracking today for a healthier tomorrow!

💪 Health & Fitness
(1.2K)
11
Monitor Your Weight
Monitor Your Weight
Monitor Your Weight
by Husain Al-Bustan
Free

Monitor Your Weight is an award-winning weight tracker app designed to help users stay motivated and reach their target weight through tracking and monitoring progress with statistics and graphs for single or multiple profiles. It suggests ideal weight, time needed to achieve it, calculates BMI, calorie intake, body fat percentage, and offers data synchronization, multi-language support, and integration with digital scales and Apple HealthKit. Start tracking your weight journey today!

💪 Health & Fitness
(22K)
12
WeightWatchers Program
WeightWatchers Program
WeightWatchers Program
Weight Loss and Better Health
Free

Develop sustainable, healthy habits with a weight loss program offering new app features for an easier journey to better health and wellness. Embark on your journey today towards a healthier lifestyle.

💪 Health & Fitness
(2.3M)
13
Weight Loss Simple Tracker App
Weight Loss Simple Tracker App
Weight Loss Simple Tracker App
Track daily goals & motivation
Free

Track your weight loss journey effortlessly with this simple tracker app. Record your weight, track steps, calculate BMI, and more to stay motivated and reach your fitness goals. Start your journey today!

💪 Health & Fitness
(2.1K)
14
Calorie Counter & Food Tracker
Calorie Counter & Food Tracker
Calorie Counter & Food Tracker
Weight Loss Macro Meal Planner
Free

Track your daily food intake, set goals, and monitor your calorie consumption with this easy-to-use application. Stay on top of your health and fitness journey effortlessly. Download now to start tracking your calories!

💪 Health & Fitness
(24K)
15
BMI Calculator + Weight Loss
BMI Calculator + Weight Loss
BMI Calculator + Weight Loss
Lose weight. Improve your BMI.
Free

Track your weight loss journey with a comprehensive BMI Calculator and Weight Tracker! Set goals, receive motivational quotes, and monitor your progress with detailed body data tracking. Download now for a healthier life!

💪 Health & Fitness
(1.6K)
16
BMI Calculator for Weight Loss
BMI Calculator for Weight Loss
BMI Calculator for Weight Loss
Body Mass Index & Ideal Weight
Free

A handy app that calculates your Body Mass Index (BMI) to help you on your weight loss journey. Stay on track with your health goals!

💪 Health & Fitness
(1.7K)
17
Fastic Weight Loss & Fasting
Fastic Weight Loss & Fasting
Fastic Weight Loss & Fasting
Protein, Tracker, Nutrition
Free

Get personalized meal plans, track your fasting schedule, and access a community for support on your health journey. Join thousands in achieving your wellness goals today!

💪 Health & Fitness
(246K)
18
눔(Noom) - 세계 1위 식단 관리, 다이어트 앱
눔(Noom) - 세계 1위 식단 관리, 다이어트 앱
눔(Noom) - 세계 1위 식단 관리, 다이어트 앱
Healthy Nutrition & Meal Plan
Free

Discover personalized diet and exercise plans tailored to your needs with this app. Track your meals, set goals, and get support on your journey to a healthier lifestyle. Start your transformation today!

💪 Health & Fitness
(5.7K)
19
Weight loss tracker - BMI
Weight loss tracker - BMI
Weight loss tracker - BMI
Daily weight loss tracker
Free

Track your daily weight, monitor your progress, and calculate your BMI with ease using our user-friendly weight loss tracker application. Log your measurements, moods, remarks, and pictures to create the perfect weight diary. Start reaching your ideal weight today!

💪 Health & Fitness
(990)
20
ControlMyWeight
ControlMyWeight
ControlMyWeight
Weight Loss Calorie Counter
Free

Track your calories and stay healthy with this weight loss calorie counter app. Start your journey to a healthier lifestyle today!

💪 Health & Fitness
(24K)

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