Best Gain Muscle Diet Apps

240+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

The best gain muscle diet apps on iPhone average 4.4★ across 240+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Gain Muscle Diet Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1The Weight Gain AppThe Weight Gain AppFree4.8★ (602)NoYesSep 2026
2MyBulk - Gain Muscle & WeightMyBulk - Gain Muscle & WeightFreeNoYesAug 2026
3Muscle Gain Gym & Home WorkoutMuscle Gain Gym & Home WorkoutFree4.2★ (21)YesYesMay 2026
4Weight Gain Workouts Food DietWeight Gain Workouts Food DietFree4.6★ (1.3K)YesYesAug 2026
5Gain Muscle MassGain Muscle MassFreeYesYesMay 2026
6Weight Gain Exercise 30 daysWeight Gain Exercise 30 daysFree3.2★ (80)NoNoAug 2026
7Gain Weight & Bulk: GainsCoachGain Weight & Bulk: GainsCoachFree5.0★ (28)NoYesSep 2026
8Muscle Growth WorkoutMuscle Growth WorkoutFreeYesYesMay 2026

Top Picks for Gain Muscle Diet

The Weight Gain App#1

The Weight Gain App by Strongr Fastr LLC

Gain Weight, Muscle & Curves
Editor's Choice
💪 Health & Fitness
4.8(602 ratings)
FreeIn-App Purchases
The Weight Gain App screenshot 1
The Weight Gain App screenshot 2
The Weight Gain App screenshot 3
The Weight Gain App screenshot 4
The Weight Gain App screenshot 5
The Weight Gain App screenshot 6

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.

Muscle Gain Gym & Home Workout#3

Muscle Gain Gym & Home Workout by Hudeifa Osman

Lose or Gain Weight in 8 weeks
Worth Considering
💪 Health & Fitness
4.2(21 ratings)
FreeAdsIn-App Purchases
Muscle Gain Gym & Home Workout screenshot 1
Muscle Gain Gym & Home Workout screenshot 2
Muscle Gain Gym & Home Workout screenshot 3
Muscle Gain Gym & Home Workout screenshot 4
Muscle Gain Gym & Home Workout screenshot 5

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.

More Gain Muscle Diet apps to explore

FAQ about Gain Muscle Diet

What are the best gain muscle diet apps for iPhone?
The Weight Gain App tops our gain muscle diet apps ranking as of August 2026, with a 4.8-star average from 602 App Store ratings, and it's free to download.
Yes — 20 of the top gain muscle diet apps we rank are free to download, including The Weight Gain App and MyBulk - Gain Muscle & Weight.
The Weight Gain App has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 240+ gain muscle diet apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The Weight Gain App offers personalized weekly meal plans and training regimens designed to help you gain weight and build muscle. It supports various diets and includes features for progress tracking and grocery list management.
The Weight Gain App Pro offers quarterly and annual subscription plans. The quarterly plan is $52.99 for 3 months and includes a 7-day free trial. The annual plan is $79.99 for 1 year and also includes a 7-day free trial.