Best Weight Loss Tracker Diet Apps

246+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

With an average user rating of 4.6★, the weight loss tracker diet category is one of the App Store's strongest. Browse all 246+ apps we track, sorted so the most loved ones surface first.

Compare top Weight Loss Tracker Diet Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1My Diet Coach - Weight LossMy Diet Coach - Weight LossFree4.6★ (25K)YesYesSep 2026
2WeightWatchers ProgramWeightWatchers ProgramFree4.8★ (2.4M)YesYesSep 2026
3Keto Diet App - Carb TrackerKeto Diet App - Carb TrackerFree4.7★ (82K)NoYesSep 2026
4Noom Weight Loss, Food TrackerNoom Weight Loss, Food TrackerFree4.7★ (872K)NoYesSep 2026
5Healthi: Weight Loss, Diet AppHealthi: Weight Loss, Diet AppFree4.8★ (90K)YesYesSep 2026
6Trifecta: Diet & Weight LossTrifecta: Diet & Weight LossFree4.3★ (1.5K)YesYesSep 2026
7Happy ScaleHappy ScaleFree4.9★ (58K)NoYesSep 2026
8WeightDrop Weight Loss TrackerWeightDrop Weight Loss TrackerFree4.8★ (4K)YesYesSep 2026

Top Picks for Weight Loss Tracker Diet

My Diet Coach - Weight Loss#1

My Diet Coach - Weight Loss by Mosaic S.r.l.

Food tracker, calorie counter
Editor's Choice
💪 Health & Fitness
4.6😊(25K ratings)
FreeAdsIn-App Purchases
My Diet Coach - Weight Loss screenshot 1
My Diet Coach - Weight Loss screenshot 2
My Diet Coach - Weight Loss screenshot 3
My Diet Coach - Weight Loss screenshot 4
My Diet Coach - Weight Loss screenshot 5
My Diet Coach - Weight Loss screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Motivational features
  • 🎨 Fun avatar customization
  • 📊 Helpful tracking and progress
  • 💧 Useful water intake reminders

Room to Improve

  • 🐛 Syncing issues with fitness trackers
  • 💰 Expensive premium subscription
  • 🤔 Limited food database for non-US users
  • 🤖 Avatar customization options could be improved
  • 🔄 Inconsistent data sync across devices
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
#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
  • 👍 User-friendly
  • 👍 Intuitive
  • 👍 Comprehensive
  • 👍 Syncs with fitness trackers
  • 👍 Barcode scanner
  • 👍 Recipes and meal planning
  • 👍 Community support

Room to Improve

  • 🐛 Bugs and glitches
  • 🐛 Inconsistent food database
  • 🐛 Difficulty finding/adding foods
  • 🐛 Syncing issues with fitness trackers
  • 🐛 Confusing navigation
  • 🐛 Limited recipe editing options
Keto Diet App - Carb Tracker#3

Keto Diet App - Carb Tracker by FJOR NUTRITION, INC.

Weight Loss, Meal Plan, Recipe
Worth Considering
💪 Health & Fitness
4.7😊(82K ratings)
FreeIn-App Purchases
Keto Diet App - Carb Tracker screenshot 1
Keto Diet App - Carb Tracker screenshot 2
Keto Diet App - Carb Tracker screenshot 3
Keto Diet App - Carb Tracker screenshot 4
Keto Diet App - Carb Tracker screenshot 5
Keto Diet App - Carb Tracker screenshot 6

This app acts as your personal keto coach, offering a powerful macro tracker with hundreds of recipes and diet tips. Easily log food using voice recognition or a barcode scanner, and receive a custom weight loss plan to reach your goals faster.

What We Love

  • 🚀 Easy to use
  • 👍 Helpful for tracking macros
  • 🚀 Accurate food logging
  • 💡 Useful insights and information
  • 👍 Great for beginners
  • 🚀 Convenient barcode scanning
  • 👍 Supportive community and team
  • 👍 Customizable macros and goals

Room to Improve

  • 🐛 Inconsistent food database
  • 🐛 Inaccurate calorie/carb calculations
  • 💡 Lacks integration with fitness trackers
  • 💡 Limited recipe options and customization
  • 💡 Difficult to add and manage own recipes
  • 🐛 Confusing subscription process

More Weight Loss Tracker Diet apps to explore

FAQ about Weight Loss Tracker Diet

What are the best weight loss tracker diet apps for iPhone?
My Diet Coach - Weight Loss tops our weight loss tracker diet apps ranking as of September 2026, with a 4.6-star average from 25K App Store ratings, and it's free to download.
Yes — 20 of the top weight loss tracker diet apps we rank are free to download, including My Diet Coach - Weight Loss and WeightWatchers Program.
My Diet Coach - Weight Loss shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 246+ weight loss tracker diet apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
My Diet Coach is a weight loss application designed to help users track their calorie intake and macronutrients. It provides a daily food diary, various diet plans like Keto, a collection of recipes, and daily recaps to guide users on their weight loss journey.
Key features include a daily food diary and macro tracker, calorie intake recommendations, the ability to plan meals in advance, integration with the Health App for body measurements, multiple diet plans (including custom options), a recipe library, and the ability to group frequently eaten items into meals for quick logging.