RACHI-OUT is a free Android application developed by Postural Srl that offers 10 video lessons for postural gymnastics. It is designed to help people suffering from back pain to perform exercises in the comfort of their homes. The program provides a personal trainer that guides users through each exercise while music plays in the background. Each video lesson includes a clear demonstration of the exercise and its benefits. Users can try the first lesson for free before deciding to purchase the remaining ones. RACHI-OUT is an excellent option for those who want to improve their posture and alleviate back pain from the comfort of their homes.