Best Weight Gain, Diet Tracker Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 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 (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Weigh In: Weight TrackerWeigh In: Weight TrackerFree4.7★ (585)NoNoSep 2026
2WeightWatchers ProgramWeightWatchers ProgramFree4.8★ (2.4M)YesYesSep 2026
3Nutrition Coach: Food trackerNutrition Coach: Food trackerFree4.8★ (88K)NoYesSep 2026
4Healthify: AI Calorie TrackerHealthify: AI Calorie TrackerFree4.6★ (6K)NoYesSep 2026
5Monitor Your WeightMonitor Your WeightFree4.8★ (23K)YesYesSep 2026
6Weight Gain App: Meals & DietWeight Gain App: Meals & DietFree1.0★ (1)YesYesAug 2026
7Calorie Counter by Pro TrackerCalorie Counter by Pro TrackerFree4.7★ (5.4K)YesYesAug 2026
8The Weight Gain AppThe Weight Gain AppFree4.8★ (602)NoYesSep 2026

Top Picks for Weight Gain, Diet Tracker

Weigh In: Weight Tracker#1

Weigh In: Weight Tracker by Simon Strudwick

The simple weight tracker
Editor's Choice
💪 Health & Fitness
4.7(585 ratings)
Free
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Easily monitor your weight progress with this straightforward tracker. Log your weight regularly, set personal goals, and visualize your journey with customizable graphs. Personalize your experience with themes and icons, and integrate with the iOS Health app.

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
#21in 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

Room to Improve

  • 🐛 Bugs and glitches
  • 🐛 Inconsistent food database
  • 🐛 Difficulty finding/adding foods
Nutrition Coach: Food tracker#3

Nutrition Coach: Food tracker by Eclipse Studios

Calorie Counter & Meal Planner
Worth Considering
💪 Health & Fitness
4.8😊(88K ratings)
FreeIn-App Purchases
Nutrition Coach: Food tracker screenshot 1
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This app helps you achieve your weight goals through sustainable calorie tracking, personalized meal plans, and delicious recipes. It focuses on long-term results by allowing you to eat what you like, including cheat meals, while meeting your daily calorie objectives. Track your progress, learn about nutrition, and sync with other health apps for a comprehensive approach.

What We Love

  • 👍 Easy to navigate
  • 🚀 Helps with weight loss
  • 🚀 Tracks calories, macros, and nutrition
  • 👍 Motivating and encouraging

Room to Improve

  • 💰 Paid subscription required for full features
  • 🐛 Inaccurate calorie/nutrition tracking
  • 🐛 Limited food database

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 August 2026, with a 4.7-star average from 585 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 August 2026.
We track 250+ weight gain, diet tracker apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Weigh In is a simple and easy-to-use application designed to help you track your weight. It allows you to log your weight regularly, set personal weight goals, and visualize your progress over time through customizable graphs. You can also add notes to your weigh-ins for extra context.
Key features include tracking weight loss or gain, setting a target weight, adding notes to weigh-ins, integrating with the iOS Health app, viewing progress with customizable graphs, receiving weigh-in reminders, and personalizing the app with themes and icons. You can also import and export your data via CSV files.