Muscle Booster is a workout app designed for both men and women who want to build muscle, stay healthy, and feel great. Our Workout Planner acts as a personal trainer alternative, helping you improve your physical fitness whether you work out at home or in the gym. From muscle-building gym programs to calisthenics and weight loss routines, Muscle Booster creates a personalized workout plan based on your goals and physical data. No matter where you train, the app’s smart algorithm guides you through sets, rep ranges, and rest intervals to help you reach your goals more efficiently. WHY WORK OUT WITH MUSCLE BOOSTER? Get access to a library of 1,000+ workouts tailored to both men and women that are perfect for building muscle, losing weight, recovering, and more. Use the Workout Player for audio tips, guided instructions, muscle group targeting, and a built-in workout/rest timer (Apple Watch compatible). Join challenges tailored to your profile! You’ll find every kind of workout ...