Best Fat Gain Apps & Games

226+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated May 2026

From beginner-friendly picks to power-user tools, our fat gain list covers 226+ iPhone apps and games updated through May 2026. Compare ratings, prices, and screenshots in one place.

Compare top Fat Gain Apps & Games (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1YouGain: Weight Gain TrackerYouGain: Weight Gain TrackerFree5.0★ (2)NoYesJul 2026
2Carbon - Macro Coach & TrackerCarbon - Macro Coach & TrackerFree4.8★ (7.9K)NoYesAug 2026
3Weight Gain Workouts Food DietWeight Gain Workouts Food DietFree4.6★ (1.3K)YesYesAug 2026
4Calorie Counter - MyNetDiaryCalorie Counter - MyNetDiaryFree4.8★ (161K)NoYesAug 2026
5Weight Monitor, BMI CalculatorWeight Monitor, BMI CalculatorFree4.8★ (701)NoYesAug 2026
6Fat ChallangeFat ChallangeFree4.0★ (2)YesNoMay 2026
7Muscle Gain Gym & Home WorkoutMuscle Gain Gym & Home WorkoutFree4.2★ (21)YesYesMay 2026
8Nutrition Coach: Food trackerNutrition Coach: Food trackerFree4.8★ (88K)NoYesAug 2026

Top Picks for Fat Gain

YouGain: Weight Gain Tracker#1

YouGain: Weight Gain Tracker by Khaled Benamor

Weight scale, body tracker
Editor's Choice
💪 Health & Fitness
5.0(2 ratings)
FreeIn-App Purchases
YouGain: Weight Gain Tracker screenshot 1
YouGain: Weight Gain Tracker screenshot 2
YouGain: Weight Gain Tracker screenshot 3

Monitor your weight journey with daily logging, photo progress, and interactive charts. Set personalized goals and visualize your transformation with a motivational progress score. This intuitive app helps you stay on track to achieve your weight gain objectives.

Carbon - Macro Coach & Tracker#2

Carbon - Macro Coach & Tracker by Reform LLC

Calories, Nutrition, & Diet
Strong Contender
💪 Health & Fitness
4.8😊(7.9K ratings)
FreeIn-App Purchases
Carbon - Macro Coach & Tracker screenshot 1
Carbon - Macro Coach & Tracker screenshot 2
Carbon - Macro Coach & Tracker screenshot 3
Carbon - Macro Coach & Tracker screenshot 4
Carbon - Macro Coach & Tracker screenshot 5
Carbon - Macro Coach & Tracker screenshot 6

This app provides personalized nutrition plans for weight loss, muscle gain, or maintenance. It adapts your plan as you progress and offers a comprehensive food tracker with a large database and barcode scanner. It supports various diet preferences and allows for custom meal planning.

What We Love

  • 🚀 Easy to use
  • 👍 Flexible and customizable
  • 🔍 Accurate food database
  • 💡 Helpful coaching and adjustments

Room to Improve

  • 🐛 Limited food database for some regions
  • 🤔 Strict adherence required for adjustments
  • 🤷‍♀️ Lack of exercise tracking integration
Weight Gain Workouts Food Diet#3

Weight Gain Workouts Food Diet by LEARNING GAME APPS PRIVATE LIMITED

Power Up: Boost Confidence!
Worth Considering
💪 Health & Fitness
4.6😊(1.3K ratings)
FreeAdsIn-App Purchases
Weight Gain Workouts Food Diet screenshot 1
Weight Gain Workouts Food Diet screenshot 2
Weight Gain Workouts Food Diet screenshot 3
Weight Gain Workouts Food Diet screenshot 4
Weight Gain Workouts Food Diet screenshot 5
Weight Gain Workouts Food Diet screenshot 6

This app offers a comprehensive program for healthy weight gain and muscle building. It provides personalized 30-day workout plans and meal guidance, adaptable for home or gym use with or without equipment. Track your progress with animated guides and achieve your fitness goals.

What We Love

  • 💪 Effective for weight gain
  • 🕰️ Customizable rest times
  • 📈 Tracks progress during workouts
  • 🔔 Helpful reminders

Room to Improve

  • 💤 Workouts can be tiring
  • 📺 Too many ads
  • 🤔 Confusing weight tracking

More Fat Gain apps to explore

4
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Food Nutrition Macro Tracker
Free

Track your food intake and nutrition with a comprehensive calorie counter. Log meals quickly using a barcode scanner, photo analysis, or search. Monitor macros, vitamins, minerals, and more with detailed insights and progress charts.

Barcode scannerMeal Scan (photo logging)Macro and protein tracking
💪 Health & Fitness
(161K)
freemium
5
Weight Monitor, BMI Calculator
Weight Monitor, BMI Calculator
Weight Monitor, BMI Calculator
Weight Loss Tracker & Ozempic
Free

This app helps you track your weight loss or gain journey with motivational tools and progress monitoring. Set goals, join challenges, and log body measurements to stay on track. Enjoy a secure, private experience with customizable features.

Weight tracking and BMI calculationBody measurement logging28-day healthy habit challenges
💪 Health & Fitness
(701)
free with in-app purchases
6
Fat Challange
Fat Challange
Fat Challange
First gain weight then get fit
Free

Consume large amounts of food to achieve victory in this game. The ultimate goal is to become healthy and fit.

Eat to gain weightBecome fitWin the challenge
🎮 Games
(2)
ad-supported
7
Muscle Gain Gym & Home Workout
Muscle Gain Gym & Home Workout
Muscle Gain Gym & Home Workout
Lose or Gain Weight in 8 weeks
Free

Get personalized workout plans for home or gym to build muscle, lose fat, and stay motivated. Features expert-designed routines, exercise instructions with videos, and meal plans. Available 24/7 as your personal trainer.

Personalized workout plansGym and home routinesExercise instructions with videos
💪 Health & Fitness
(21)
free with in-app purchases
8
Nutrition Coach: Food tracker
Nutrition Coach: Food tracker
Nutrition Coach: Food tracker
Calorie Counter & Meal Planner
Free

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.

Calorie tracking with extensive food databaseCustomized meal plansBarcode scanning for food tracking
💪 Health & Fitness
(88K)
subscription
9
The Weight Gain App
The Weight Gain App
The Weight Gain App
Gain Weight, Muscle & Curves
Free

This app provides personalized weekly meal plans and training regimens to help users gain weight and build muscle. It supports various dietary preferences and includes features for tracking progress and managing grocery lists.

Tailored weekly meal plansCustomized training regimensSupport for various diets (keto, vegan, etc.)
💪 Health & Fitness
(493)
free with in-app purchases
10
Workout for Women: Fit at Home
Workout for Women: Fit at Home
Workout for Women: Fit at Home
Home Workout: Yoga & Fitness
Free

Achieve your fitness goals with a personalized home workout program designed for women. Tone your body, burn fat, and lose weight with quick, effective routines and video guidance. No equipment is needed, making it easy to get fit anytime, anywhere.

Home workouts for womenWeight loss and fat burningNo equipment needed
💪 Health & Fitness
(29K)
subscription
11
Weight Gain Exercise 30 days
Weight Gain Exercise 30 days
Weight Gain Exercise 30 days
30 days schedule weight gain
Free

This app provides a 30-day plan with diet tips and home exercises to help users gain weight safely and effectively. It includes meal planners, shopping lists, and daily reminders to support a healthy weight gain journey for men and women.

30-day meal planner for weight gainDiet tips for weight gainHome fitness exercises without equipment
💪 Health & Fitness
(79)
free
12
Calo: AI Food Calorie Counter
Calo: AI Food Calorie Counter
Calo: AI Food Calorie Counter
Macro Tracker & Weight Loss
Free

This app helps you achieve your health and weight goals through personalized calorie and macro tracking. It features AI-powered food logging, barcode scanning, and custom meal plans with recipes.

AI-powered food loggingCalorie and macro trackingBarcode scanner
💪 Health & Fitness
(21K)
subscription
13
Healthify: AI Calorie Tracker
Healthify: AI Calorie Tracker
Healthify: AI Calorie Tracker
Weight loss, diet, fitness app
Free

This app simplifies your health journey with AI-powered tools for weight loss, nutrition, and fitness. Track calories by photo or voice, log meals, and receive personalized AI insights and coaching. Monitor water intake, sleep, weight, and workouts for data-driven decisions.

AI calorie tracking with photosVoice-based meal loggingPersonalized AI insights and actionables
💪 Health & Fitness
(6K)
free with in-app purchases
14
Gain Weight Exercise at Home
Gain Weight Exercise at Home
Gain Weight Exercise at Home
Exercise for Weight Gain
Free

This app provides effective home workouts designed to help individuals gain weight naturally. It offers 30-day plans with detailed exercise instructions and animations, suitable for both men and women without requiring gym equipment.

30-day workout plans for weight gainDaily exercises for men and womenNo gym equipment required
💪 Health & Fitness
(5)
ad-supported
15
Gym Workout For Men
Gym Workout For Men
Gym Workout For Men
Abs, Chest, Leg & Arm Workouts
Free

This app provides structured strength training and workout plans for men, offering guidance, progress tracking, and a large exercise library with HD videos. It's designed to help users build muscle, burn fat, and get stronger, acting like a personal trainer in your pocket.

Personalized gym workout plansStrength and muscle training programsExtensive exercise library with HD videos
💪 Health & Fitness
(2.6K)
subscription
16
WeightDrop Weight Loss Tracker
WeightDrop Weight Loss Tracker
WeightDrop Weight Loss Tracker
Health Journal, Log & Diary
Free

This app helps you track your weight journey, whether you aim to lose or gain. It offers a simple interface for daily logging, history review, and progress visualization towards your goals. Features include reminders, unit support, and integration with health platforms.

Clever App SetupQuick & Easy Weight AddingWeight History & Editing
💪 Health & Fitness
(3.9K)
free with in-app purchases
17
Weight Tracker — Scelta
Weight Tracker — Scelta
Weight Tracker — Scelta
Lose, gain or maintain weight
Free

This app helps you track weight changes by comparing weekly averages, offering a clearer view of your progress beyond daily fluctuations. It uses data visualization, goal setting, and gamified elements to make weight management motivating and fun.

Weekly average weight comparisonLinear regression for trend analysisGoal setting with adherence percentage
💪 Health & Fitness
(996)
free with in-app purchases
18
Eat This Much - Meal Planner
Eat This Much - Meal Planner
Eat This Much - Meal Planner
Recipes, Macros & Grocery List
Free

This app automatically generates personalized meal plans based on your dietary goals, food preferences, budget, and schedule. It helps you hit your nutrition targets without the hassle of manual tracking, offering customization and recipe adjustments.

Automatic meal plan generationCustomizable diet goals and preferencesRecipe personalization
💪 Health & Fitness
(22K)
freemium
19
Weight Gain Workouts & Food
Weight Gain Workouts & Food
Weight Gain Workouts & Food
Workout and Meal Recipes
Free
🍔 Food & Drink
(0)
20
Simple: AI Weight Loss Coach
Simple: AI Weight Loss Coach
Simple: AI Weight Loss Coach
Build a Healthy Body for Life
Free

This app offers personalized weight loss plans, real-time nutrition analysis via photo, and AI-driven coaching. It focuses on making healthy habits fun and sustainable without extreme restrictions or calorie counting.

AI weight loss coachingPhoto-based nutrition analysisPersonalized workout plans
💪 Health & Fitness
(392K)
free with in-app purchases

FAQ about Fat Gain

What are the best fat gain apps & games for iPhone?
YouGain: Weight Gain Tracker tops our fat gain apps & games ranking as of May 2026, with a 5.0-star average from 2 App Store ratings, and it's free to download.
Yes — 20 of the top fat gain apps & games we rank are free to download, including YouGain: Weight Gain Tracker and Carbon - Macro Coach & Tracker.
YouGain: Weight Gain Tracker has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 226+ fat gain apps & games on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
Weight Gain Tracker is designed to help users monitor their weight gain journey. It allows for daily weight logging, visual progress tracking through photos, and provides interactive charts to visualize trends.
Yes, Weight Gain Tracker offers subscription plans including 1 Month VIP for $2.99 and 1 Year VIP for $9.99, which includes a 7-day free trial.