JustFit is a free lifestyle application developed by Enerjoy Limited for iPhone users. It is a scientifically designed virtual coach that helps users lose weight and gain muscle with no equipment. The app offers a variety of exercise sets for at-home workouts, with zero equipment required. JustFit provides a tailor-made approach to weight loss and weight gain, analyzing users' profile preferences and lifestyle to help them achieve their goals faster.

JustFit offers a wide range of workout exercises to cover users' personal needs, focusing on problem areas adapted to their requirements. The app also tracks daily progress to help users meet their fitness goals. Additionally, JustFit integrates with Apple Health to track calories burned by steps.

The app offers an auto-renewing subscription at $69.99/year to provide users with unlimited access to VIP features. However, the app is developed for informational purposes only, and users should consult their physician or doctor before starting any fitness program.

In summary, JustFit is an excellent virtual coach that provides personalized fitness plans for users. It is a great option for those who want to work out anytime and anywhere, without any equipment. The app is user-friendly and easy to navigate, making it suitable for both beginners and experienced fitness enthusiasts.