Best Weight Gain, Diet Tracker Apps

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good weight gain, diet tracker apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Weight Gain, Diet Tracker Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Weigh In: Weight TrackerWeigh In: Weight TrackerFree4.7★ (618)NoNoSep 2026
2WeightWatchers ProgramWeightWatchers ProgramFree4.8★ (2.4M)YesYesSep 2026
3Monitor Your WeightMonitor Your WeightFree4.8★ (23K)YesYesSep 2026
4Healthify: AI Calorie TrackerHealthify: AI Calorie TrackerFree4.6★ (6K)NoYesSep 2026
5Nutrition Coach: Food trackerNutrition Coach: Food trackerFree4.8★ (88K)NoYesSep 2026
6WeightDrop Weight Loss TrackerWeightDrop Weight Loss TrackerFree4.8★ (4K)YesYesSep 2026
7The Weight Gain AppThe Weight Gain AppFree4.8★ (689)NoYesSep 2026
8Diet: Weight loss Healthy foodDiet: Weight loss Healthy foodFree4.5★ (168)NoYesSep 2026

Top Picks for Weight Gain, Diet Tracker

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
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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
Monitor Your Weight#3

Monitor Your Weight by Husain Al-Bustan

Track weight & body measures
Worth Considering
💪 Health & Fitness
4.8😊(23K ratings)
FreeAdsIn-App Purchases
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Track your weight and body measurements to achieve your fitness goals. This app offers detailed statistics, personalized ideal weight suggestions, and the ability to manage multiple profiles. It supports various units and integrates with digital scales and HealthKit.

What We Love

  • 👍 Simple and easy to use
  • 📊 Helpful graphs and data visualization
  • 🔒 Secure with password protection
  • 🔗 Syncs across devices
  • 💪 Motivating for weight loss journey
  • 📈 Tracks progress effectively

Room to Improve

  • 🐛 Issues with syncing and data loss
  • 📏 Suggested weight targets may be unrealistic
  • 🔍 Difficult to edit past entries
  • 🔘 Limited customization options

More Weight Gain, Diet Tracker apps to explore

FAQ about Weight Gain, Diet Tracker

What are the best weight gain, diet tracker apps for iPhone?
Weigh In: Weight Tracker tops our weight gain, diet tracker apps ranking as of September 2026, with a 4.7-star average from 618 App Store ratings, and it's free to download.
Yes — 20 of the top weight gain, diet tracker apps we rank are free to download, including Weigh In: Weight Tracker and WeightWatchers Program.
Weigh In: Weight Tracker has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ weight gain, diet tracker apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.