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Best Weight Watchers Calculator Apps

220+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

Every iPhone needs a few good weight watchers calculator apps. We benchmark 220+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Weight Watchers Calculator

WeightWatchers Program#1

WeightWatchers Program by WW International, Inc.

Weight Loss and Better Health
Editor's Choice
💪 Health & Fitness
4.8😊(2.4M ratings)
FreeAdsIn-App Purchases
#22in 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
MyFitnessPal: Calorie Counter#2

MyFitnessPal: Calorie Counter by MyFitnessPal, Inc.

Food, Fitness & Weight Tracker
Strong Contender
💪 Health & Fitness
4.7😐(2.3M ratings)
FreeAdsIn-App Purchases
#1in Health & Fitness
MyFitnessPal: Calorie Counter screenshot 1
MyFitnessPal: Calorie Counter screenshot 2
MyFitnessPal: Calorie Counter screenshot 3
MyFitnessPal: Calorie Counter screenshot 4
MyFitnessPal: Calorie Counter screenshot 5
MyFitnessPal: Calorie Counter screenshot 6

This AI-powered app helps you achieve your health and fitness goals by tracking calories, macros, and water intake. It offers a comprehensive food database, workout logging, personalized goals, and meal planning to monitor your progress.

What We Love

  • 💪 Effective for weight loss/healthy eating
  • 🔍 Extensive food database
  • 📊 Helpful tracking and progress features
  • 🤝 Social features and community support

Room to Improve

  • 🐛 Buggy and glitchy app performance
  • 💰 Aggressive push for premium subscription
  • 📋 Inaccurate food data and calculations
MyDietDaily -Lose Weight Smart#3

MyDietDaily -Lose Weight Smart by Maxima Apps

Diet Watchers Point Calculator
Worth Considering
💪 Health & Fitness
4.6😊(1.6K ratings)
FreeAdsIn-App Purchases
MyDietDaily -Lose Weight Smart screenshot 1
MyDietDaily -Lose Weight Smart screenshot 2
MyDietDaily -Lose Weight Smart screenshot 3
MyDietDaily -Lose Weight Smart screenshot 4
MyDietDaily -Lose Weight Smart screenshot 5
MyDietDaily -Lose Weight Smart screenshot 6

Easily track your food intake, exercise, and weight progress with voice logging and extensive food databases. This app supports various diet plans and offers features like barcode scanning, custom meal creation, and community support to aid your weight loss journey.

What We Love

  • 👍 Easy to use
  • 🚀 Convenient barcode scanning
  • 💡 Flexible plan options
  • 🔍 Comprehensive food database

Room to Improve

  • 🐛 Inconsistent point calculations
  • 🔍 Limited food/brand selection
  • 🔧 Buggy app performance

More Weight Watchers Calculator apps to explore

4
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Food Nutrition Macro Tracker
Free

Track your food intake and nutrition with a comprehensive calorie counter. Log meals quickly using a barcode scanner, photo analysis, or search. Monitor macros, vitamins, minerals, and more with detailed insights and progress charts.

Barcode scannerMeal Scan (photo logging)Macro and protein tracking
💪 Health & Fitness
(157K)
freemium
5
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Food Tracker for Weight Loss
Free

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.

Calorie trackingWeight loss planningAI voice meal logging
💪 Health & Fitness
(763K)
free with in-app purchases
6
Value Diary - Weight Loss Diet
Value Diary - Weight Loss Diet
Value Diary - Weight Loss Diet
Food, Exercise, Weight Tracker
Free

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.

Personalized weight loss plansFood and exercise trackingBarcode scanner for food items
💪 Health & Fitness
(3.6K)
free with in-app purchases
7
Carb Manager: Keto & Macro Log
Carb Manager: Keto & Macro Log
Carb Manager: Keto & Macro Log
Macro, Food & Calorie Counter
Free

Easily track carbs, macros, and calories for low-carb and keto diets. Features include barcode scanning, recipe access, and community support to help you achieve your health goals.

Net carb trackingBarcode scannerMacro calculator
💪 Health & Fitness
(73K)
freemium
8
Food Score Calculator for Weight-Loss Nutrition
Food Score Calculator for Weight-Loss Nutrition
Food Score Calculator for Weight-Loss Nutrition
by Cloforce LLC
Free

Easily calculate a food score to simplify your weight loss journey. Break down complex nutritional information into a single, easy-to-understand number. Access a vast database of foods and barcodes, or input your own data for instant scoring.

Intuitive food score calculationMassive 5 million food database2 million barcode database search
💪 Health & Fitness
(827)
free
9
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
10
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
Food tracker for weight loss
Free

This app helps you track your calorie intake and meals to achieve weight loss, muscle gain, or maintenance goals. It offers an AI-powered calorie counter, a vast food database, meal planning, and intermittent fasting support.

AI calorie trackerFood database with barcode scannerIntermittent fasting plans
💪 Health & Fitness
(49K)
freemium
11
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
12
Smart - Food Score Calculator
Smart - Food Score Calculator
Smart - Food Score Calculator
Weight & Diet Macro Watchers
Free

Easily track your diet and nutrition when eating out. Access detailed calorie, carb, fat, and protein information for thousands of restaurant and grocery items. Make informed food choices on the go to stay on track with your fitness or diet plan.

Restaurant nutrition guideGrocery item nutritionBarcode scanning
🍔 Food & Drink
(2.4K)
free
13
My Diet Coach - Weight Loss
My Diet Coach - Weight Loss
My Diet Coach - Weight Loss
Food tracker, calorie counter
Free

This app helps you lose weight by tracking your calorie intake and macronutrients. It offers a food diary, various diet plans, recipes, and daily recaps to guide your journey. Integrate with health apps for a comprehensive view of your progress.

Daily food diaryMacro trackerCalorie counting
💪 Health & Fitness
(24K)
subscription
14
Weight Monitor, BMI Calculator
Weight Monitor, BMI Calculator
Weight Monitor, BMI Calculator
Weight Loss Tracker & Ozempic
Free

This app helps you track your weight loss or gain journey with motivational tools and progress monitoring. Set goals, join challenges, and log body measurements to stay on track. Enjoy a secure, private experience with customizable features.

Weight tracking and BMI calculationBody measurement logging28-day healthy habit challenges
💪 Health & Fitness
(664)
free with in-app purchases
15
Lifesum: AI Calorie Counter
Lifesum: AI Calorie Counter
Lifesum: AI Calorie Counter
Food Tracker, Nutrition Coach
Free

This app offers AI-powered meal tracking with multiple logging options, including photo, voice, text, and barcode scanning. It provides personalized nutrition plans, calorie and macro tracking, and integrates with fitness devices to support weight management and overall well-being.

AI-powered meal loggingPhoto, voice, text, and barcode trackingCalorie and macro counter
💪 Health & Fitness
(150K)
free with in-app purchases
16
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
17
Eato®: Calorie Tracker
Eato®: Calorie Tracker
Eato®: Calorie Tracker
Food, Macro, Nutrition Counter
Free

This app helps you manage your weight and health through calorie tracking, meal planning, and activity monitoring. It offers personalized plans, recipe suggestions, and progress tracking to support your wellness journey.

Calorie CounterBarcode ScanningAI Image Recognition
💪 Health & Fitness
(23K)
subscription
18
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
19
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
(494)
freemium
20
Calories and nutrition tracker
Calories and nutrition tracker
Calories and nutrition tracker
Calorie counter and food meter
Free

Track your calorie, carb, protein, and fat intake with a comprehensive food database validated by experts. Receive personalized nutrition plans for various goals like weight loss, muscle gain, or maintenance. Integrates with fitness apps for a holistic health approach.

Personalized nutrition plansExpert-validated food databaseTrack calories, carbs, protein, fats
💪 Health & Fitness
(6.1K)
free with in-app purchases

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