250+ iOS apps curated and reviewed
The best free weight gain app on iPhone average 4.4★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (602) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.7★ (2.4M) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 1.0★ (1) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.6★ (1.3K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | — | No | Yes | Aug 2026 |
| 6 |  | Free | — | No | No | Aug 2026 |
| 7 |  | Free | 4.8★ (88K) | No | Yes | Aug 2026 |
| 8 |  | Free | 5.0★ (2) | No | Yes | Jul 2026 |
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.
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.
This app offers personalized home workout and diet plans to help users gain weight and build muscle. It includes daily exercises, nutrition guidance, and progress tracking for a healthier physique without needing a gym.
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.
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.
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.
This app helps individuals who struggle to gain weight by tracking their calorie intake. It's designed for 'hard gainers' and busy people who need to increase their food consumption to build muscle.
Track your weight loss journey with this intuitive app. It helps you monitor daily weight entries, visualize progress with a trend line, and estimate time to reach your goals without calorie counting. Includes calculators for goals and calories, plus privacy features.
Easily log your weight with a simple interface and fun wheel picker. Visualize your progress with clear charts and set personalized weight goals with target dates. Securely sync your data to the cloud and switch between units as needed.
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.
This app helps individuals aiming to gain weight by simplifying calorie tracking. It uses AI to analyze meals from photos or descriptions, allowing users to monitor progress and adjust intake goals for sustainable, healthy weight gain.
Visually track your weight loss progress with an interactive graph and key stats. Easily log weigh-ins in different units than your app display, with automatic conversions. Securely store your history in iCloud.