Intensive 21 is a lifestyle app designed for individuals seeking effective weight loss and overall wellness. With a community of over 20,000 users, this program offers a structured 21-day journey focused on transforming users' lifestyles through workouts, nutrition tracking, and mental well-being support. The app features daily live workouts, a variety of training intensities, and a blog with health-related articles and over 100 healthy recipes.

The app provides additional resources including advanced workout sessions, yoga classes, and expert consultations with nutritionists and psychologists. Users can track their meals, water intake, and daily steps, while gaining access to customizable meal plans. Intensive 21 offers both free and subscription-based options, with automatic renewal for in-app purchases. Utilizing HealthKit, it delivers personalized advice based on user activity, ensuring a comprehensive approach to health and fitness.