Best Weight Loss Calculator Percentage Apps

214+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

Out of 214+ 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.

Top Picks for Weight Loss Calculator Percentage

Lose It! – Calorie Counter#1

Lose It! – Calorie Counter by FitNow, Inc.

Food Tracker for Weight Loss
Editor's Choice
💪 Health & Fitness
4.8😊(763K ratings)
FreeAdsIn-App Purchases
#15in Health & Fitness
Lose It! – Calorie Counter screenshot 1
Lose It! – Calorie Counter screenshot 2
Lose It! – Calorie Counter screenshot 3
Lose It! – Calorie Counter screenshot 4
Lose It! – Calorie Counter screenshot 5

This app helps users achieve their weight loss goals by tracking calorie intake, nutrition, and exercise. It offers features like AI-powered meal logging, barcode scanning, and personalized diet plans to simplify the journey to a healthier lifestyle.

What We Love

  • 👍 Easy to use
  • 🚀 Comprehensive food database
  • 💡 Helpful for weight loss
  • 🚀 Syncs with fitness trackers

Room to Improve

  • 🐛 Inaccurate calorie/nutrition data
  • 💰 Paywall for basic features
  • 📢 Intrusive ads and upselling
WeightWatchers Program#2

WeightWatchers Program by WW International, Inc.

Weight Loss and Better Health
Strong Contender
💪 Health & Fitness
4.8😊(2.4M ratings)
FreeAdsIn-App Purchases
#20in Health & Fitness
WeightWatchers Program screenshot 1
WeightWatchers Program screenshot 2
WeightWatchers Program screenshot 3
WeightWatchers Program screenshot 4
WeightWatchers Program screenshot 5
WeightWatchers Program screenshot 6

This app offers a science-backed weight loss tracker and personalized diet plans. It includes specialized support for weight-loss medications, AI-powered progress tracking beyond the scale, and flexible tools for various weight management goals. Connect with coaches and a supportive community for lasting results.

What We Love

  • 🚀 Biggest little helper ever
  • 🚀 Tracking made easy
  • 👍 Keeps me accountable
  • 👍 Motivating

Room to Improve

  • 🐛 Bugs and glitches
  • 🐛 Inconsistent food database
  • 🐛 Difficulty finding/adding foods
Value Diary - Weight Loss Diet#3

Value Diary - Weight Loss Diet by Fenlander Software Solutions Ltd

Food, Exercise, Weight Tracker
Worth Considering
💪 Health & Fitness
4.7😊(3.6K ratings)
FreeAdsIn-App Purchases
Value Diary - Weight Loss Diet screenshot 1
Value Diary - Weight Loss Diet screenshot 2
Value Diary - Weight Loss Diet screenshot 3
Value Diary - Weight Loss Diet screenshot 4
Value Diary - Weight Loss Diet screenshot 5
Value Diary - Weight Loss Diet screenshot 6

This app helps you achieve your weight loss goals by providing personalized diet plans, easy food tracking with a barcode scanner, and progress monitoring. It supports various diet types and integrates with fitness trackers.

What We Love

  • 👍 Easy to use
  • 🚀 Comprehensive database
  • 💰 Affordable alternative to WW
  • 🔍 Helpful barcode scanner

Room to Improve

  • 🐛 Inaccurate food points values
  • 🔍 Limited database for some regions
  • 🔒 Poor customer support/communication

More Weight Loss Calculator Percentage apps to explore

4
BMI Calculator – Weight Loss
BMI Calculator – Weight Loss
BMI Calculator – Weight Loss
Calculate your ideal weight
Free

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.

Instant BMI calculation with animated gaugePersonalized health insightsIdeal weight recommendations
💪 Health & Fitness
(27K)
free with in-app purchases
5
Happy Scale
Happy Scale
Happy Scale
Gewichtsverlustsverfolgung
Free

This app helps you understand your weight loss journey by analyzing scale fluctuations. It smooths out daily variations to reveal your true progress, predict future weights, and break down goals into manageable milestones.

See true progress with mathematical analysisSmooth out weigh-in fluctuationsPredict future weight
💪 Health & Fitness
(57K)
subscription
6
BetterTogether: Weight Loss
BetterTogether: Weight Loss
BetterTogether: Weight Loss
Step, Diet & Challenge Tracker
Free

This app transforms weight loss into a fun, social experience through challenges and competitions with friends and family. It offers tools like water tracking, BMI calculation, and dietician advice to support your health journey.

Fitness challenges and competitionsWater intake trackerBMI calculator and tracker
💪 Health & Fitness
(7.7K)
free with in-app purchases
7
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
(1.7K)
ad-supported
8
Trifecta: Diet & Weight Loss
Trifecta: Diet & Weight Loss
Trifecta: Diet & Weight Loss
Calorie & Macro Tracker
Free

This app helps you achieve your health and fitness goals with personalized nutrition tracking, exercise guidance, and healthy recipes. It offers tools to calculate macros, log meals, scan barcodes, track water intake, and follow workout videos. Create a step-by-step program for sustainable habit building.

Macro calculator for personalized nutritionFood and nutrition loggingBarcode scanner for packaged foods
💪 Health & Fitness
(1.5K)
free with in-app purchases
9
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
10
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
(6.9K)
ad-supported
11
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
(8.7K)
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
(990)
ad-supported
13
DietBet: Lose Weight & Win!
DietBet: Lose Weight & Win!
DietBet: Lose Weight & Win!
Join over 1,000,000 players!
Free

Achieve your weight loss goals by joining supportive communities and participating in games hosted by experts. Make a pledge, track your progress, and win money when you reach your targets. This app helps build lasting healthy habits.

Weight loss goal settingCommunity supportExpert-hosted games
💪 Health & Fitness
(21K)
free with in-app purchases
14
Weight Loss Bet by HealthyWage
Weight Loss Bet by HealthyWage
Weight Loss Bet by HealthyWage
Cash Prizes for Weight Loss
Free

This app allows users to bet on their own weight loss or join team challenges to win cash prizes. It provides tools for tracking progress, connecting with a supportive community, and verifying weigh-ins. Earn money while achieving your fitness goals.

Bet on personal weight lossParticipate in team fitness challengesTrack weight loss progress
💪 Health & Fitness
(18K)
free with in-app purchases
15
WeightDrop Weight Loss Tracker
WeightDrop Weight Loss Tracker
WeightDrop Weight Loss Tracker
Health Journal, Log & Diary
Free

This app helps you track your weight journey, whether you aim to lose or gain. It offers a simple interface for daily logging, history review, and progress visualization towards your goals. Features include reminders, unit support, and integration with health platforms.

Clever App SetupQuick & Easy Weight AddingWeight History & Editing
💪 Health & Fitness
(3.4K)
free with in-app purchases
16
Kompanion: Weight Loss Plan
Kompanion: Weight Loss Plan
Kompanion: Weight Loss Plan
Intermittent Fasting & Diet
Free

This app combines intermittent fasting timers with a smart nutrition toolkit to help you lose weight. It features AI-powered meal scanning to estimate calories and macros, personalized fasting plans, and insights into your body's metabolic stages. Track your progress, mood, and energy levels to optimize your health journey.

AI-powered meal scanning for calorie and macro estimationFlexible intermittent fasting timer with personalized plansBody stage tracking (Ketosis, Autophagy)
💪 Health & Fitness
(9.3K)
free with in-app purchases
17
BMI Calculator + Weight Loss
BMI Calculator + Weight Loss
BMI Calculator + Weight Loss
Lose weight. Improve your BMI.
Free

This app helps users achieve their weight and body goals through a comprehensive suite of tracking and analysis tools. It offers a BMI calculator, weight diary, and detailed body measurements to visualize progress and stay motivated on the journey to better health.

Professional BMI CalculatorSmart Weight TrackerBody Data Analytics
💪 Health & Fitness
(1.6K)
free with in-app purchases
18
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
19
Weight Loss Simple Tracker App
Weight Loss Simple Tracker App
Weight Loss Simple Tracker App
Track daily goals & motivation
Free

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.

Record weight and body fat percentageAutomatic BMI calculationAvatar changes with BMI level
💪 Health & Fitness
(2.1K)
freemium
20
Omo: Healthy Weight Loss App
Omo: Healthy Weight Loss App
Omo: Healthy Weight Loss App
Lose weight with psychology
Free

Achieve your weight loss goals with a psychology-based approach. This app offers a comprehensive course, calorie and macro tracking, intermittent fasting support, and a step counter to build healthy habits and ensure long-term success.

Psychology-based weight loss courseCalorie and macro trackingBarcode food scanner
💪 Health & Fitness
(33K)
free with in-app purchases