Best Diet Tracker Weightloss Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated September 2026

WeightWatchers Program is the household name in diet tracker weightloss, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Diet Tracker Weightloss Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1WeightWatchers ProgramWeightWatchers ProgramFree4.8★ (2.4M)YesYesOct 2026
2Lose It! – Calorie CounterLose It! – Calorie CounterFree4.8★ (779K)YesYesOct 2026
3MyFitnessPal: Calorie CounterMyFitnessPal: Calorie CounterFree4.7★ (2.4M)YesYesOct 2026
4Calorie Counter - MyNetDiaryCalorie Counter - MyNetDiaryFree4.8★ (166K)NoYesOct 2026
5Noom Weight Loss, Food TrackerNoom Weight Loss, Food TrackerFree4.7★ (872K)NoYesOct 2026
6My Diet Coach - Weight LossMy Diet Coach - Weight LossFree4.6★ (25K)YesYesOct 2026
7Simple: AI Weight Loss CoachSimple: AI Weight Loss CoachFree4.7★ (406K)NoYesOct 2026
8Food Journal - Calorie TrackerFood Journal - Calorie TrackerFree—NoNoSep 2026

Top Picks for Diet Tracker Weightloss

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
#23in 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
Lose It! – Calorie Counter#2

Lose It! – Calorie Counter by FitNow

Food Tracker for Weight Loss
Strong Contender
💪 Health & Fitness
4.8😊(779K ratings)
FreeAdsIn-App Purchases
#22in 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
Lose It! – Calorie Counter screenshot 6

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
  • 👍 Customizable goals and tracking
  • 👍 Motivating progress tracking

Room to Improve

  • 🐛 Inaccurate calorie/nutrition data
  • 💰 Paywall for basic features
  • 📢 Intrusive ads and upselling
  • 🐛 Buggy performance issues
  • 🔒 Privacy concerns with data sharing
MyFitnessPal: Calorie Counter#3

MyFitnessPal: Calorie Counter by MyFitnessPal, Inc.

AI Nutrition & Macros Tracker
Worth Considering
💪 Health & Fitness
4.7😐(2.4M 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
  • 🔒 Privacy concerns with data sharing

More Diet Tracker Weightloss apps to explore

FAQ about Diet Tracker Weightloss

What are the best diet tracker weightloss apps for iPhone?
WeightWatchers Program tops our diet tracker weightloss apps ranking as of September 2026, with a 4.8-star average from 2.4M App Store ratings, and it's free to download.
Yes — 20 of the top diet tracker weightloss apps we rank are free to download, including WeightWatchers Program and Lose It! – Calorie Counter.
WeightWatchers Program shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ diet tracker weightloss apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.