Best Weight Watcher Calculator Apps

217+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

The best weight watcher calculator apps on iPhone average 4.7★ across 217+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Weight Watcher 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
#18in 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

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.

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
Lose It! – Calorie Counter#2

Lose It! – Calorie Counter by FitNow, Inc.

Food Tracker for Weight Loss
Strong Contender
💪 Health & Fitness
4.8😊(761K 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 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!

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
Calorie Counter - MyNetDiary#3

Calorie Counter - MyNetDiary by MyNetDiary Inc.

Food Nutrition Macro Tracker
Worth Considering
💪 Health & Fitness
4.8😊(155K ratings)
FreeAdsIn-App Purchases
#17in Health & Fitness
Calorie Counter - MyNetDiary screenshot 1
Calorie Counter - MyNetDiary screenshot 2
Calorie Counter - MyNetDiary screenshot 3
Calorie Counter - MyNetDiary screenshot 4
Calorie Counter - MyNetDiary screenshot 5
Calorie Counter - MyNetDiary screenshot 6

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!

What We Love

  • 👍 Easy to use
  • 🚀 Fast barcode scanning
  • 📊 Comprehensive data and analytics
  • 💪 Helped with weight loss and healthy habits

Room to Improve

  • 🐛 Inconsistent steps tracking
  • 📉 Reduced free features over time
  • 🔒 Privacy concerns with data access

More Weight Watcher Calculator apps to explore

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

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.

💪 Health & Fitness
(26K)
5
Value Diary - Weight Loss Diet
Value Diary - Weight Loss Diet
Value Diary - Weight Loss Diet
Food, Exercise, Weight Tracker
Free

Track your food intake, exercise routine, and weight with our weight loss diary app. Join a community of diet watchers to achieve your fitness goals. Start your journey today!

💪 Health & Fitness
(3.6K)
6
MyDietDaily -Lose Weight Smart
MyDietDaily -Lose Weight Smart
MyDietDaily -Lose Weight Smart
Diet Watchers Point Calculator
Free

Track your food points, monitor exercises, and record weight effortlessly with voice logging using speech recognition technology. Stay on top of your diet and fitness goals smartly!

💪 Health & Fitness
(1.6K)
7
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

Find the perfect food score for your weight-loss journey with our intuitive Food Score Calculator app, simplifying nutrition into one number. Access a vast food and barcode database, track your searches, and customize point values. Supplement your weight loss program by downloading now! Like us on Facebook: facebook.com/cloforce, Follow us on Twitter: @iMacroApp (twitter.com/iMacroApp). Leave a review or send feedback to support@cloforce.com.

💪 Health & Fitness
(827)
8
Happy Scale
Happy Scale
Happy Scale
Gewichtsverlustsverfolgung
Free

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!

💪 Health & Fitness
(57K)
9
Smart - Food Score Calculator
Smart - Food Score Calculator
Smart - Food Score Calculator
Weight & Diet Macro Watchers
Free

Discover how easily you can track your daily food intake and make healthier choices with our Smart Food Score Calculator! Input your meals and receive instant feedback on their nutritional value. Make informed decisions about your diet and work towards your health goals effortlessly.

🍔 Food & Drink
(2.4K)
10
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
Food tracker for weight loss
Free

Track your daily food intake, count calories, and set personalized goals with an intuitive app designed to help you maintain a healthy lifestyle. Stay on top of your nutrition and reach your fitness objectives effortlessly. Start your journey to a healthier you today.

💪 Health & Fitness
(48K)
11
Eato®: Calorie Tracker
Eato®: Calorie Tracker
Eato®: Calorie Tracker
Food, Macro, Nutrition Counter
Free

Track your weight loss journey with a user-friendly calorie counter and meal planner app that offers tailored plans, recipe recommendations, and step tracking to help you reach your health goals effectively. Start your wellness journey with Eato® now!

💪 Health & Fitness
(23K)
12
BMI Calculator‰
BMI Calculator‰
BMI Calculator‰
Body Mass Index Calculator
Free

Calculate your Body Mass Index effortlessly with this straightforward app designed for quick and easy BMI calculations. Start tracking your health today!

💪 Health & Fitness
(24K)
13
Weight Monitor, BMI Calculator
Weight Monitor, BMI Calculator
Weight Monitor, BMI Calculator
Body Scan, GLP-1, Ozempic Jabs
Free

Track your weight and calculate your BMI with this app designed to help you monitor your weight loss progress effortlessly. Stay motivated and on track towards your fitness goals easily. Start tracking today!

💪 Health & Fitness
(778)
14
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)
15
Weight Watchers Scale
Weight Watchers Scale
Weight Watchers Scale
Weight Loss and Better Health
Free
💪 Health & Fitness
(2)
16
My Diet Coach - Weight Loss
My Diet Coach - Weight Loss
My Diet Coach - Weight Loss
Food tracker, calorie counter
Free

Track your food, count calories, and reach your weight loss goals with My Diet Coach. Plan meals, follow diets, explore recipes, and stay on track with daily monitoring. Get ready to look and feel your best - start your journey now!

💪 Health & Fitness
(24K)
17
BMI Calculator & Weight Track
BMI Calculator & Weight Track
BMI Calculator & Weight Track
Sleekest Weight Watchers App
Free
💪 Health & Fitness
(0)
18
BMI Calculator・Weight Tracker
BMI Calculator・Weight Tracker
BMI Calculator・Weight Tracker
Lose or Gain for Happy Body
Free

A user-friendly mobile app that helps you quickly assess your body mass index (BMI) based on your height and weight, offering insights into your health status. Stay informed about your fitness levels with just a few taps – download now to track your BMI effortlessly.

💪 Health & Fitness
(494)
19
Fooducate: Nutrition Coach
Fooducate: Nutrition Coach
Fooducate: Nutrition Coach
Calorie Counter & Diet Tracker
Free

Get personalized nutrition advice, track your calorie intake, and improve your eating habits with this nutrition coach app. Let Fooducate help you make healthier food choices and achieve your wellness goals. Download now and start your journey to a healthier lifestyle!

💪 Health & Fitness
(77K)
20
BMI Calculator ~
BMI Calculator ~
BMI Calculator ~
Weight Loss Tracker
Free

Calculate your Body Mass Index quickly with this easy-to-use weight loss tracker. Make monitoring your health goals a breeze!

💪 Health & Fitness
(524)