GYM Information System - GIS - delivers Professional GYM training programs, leading each trainee step-by-step to exceeding results.This application is connected to a Back-End application so that each GYM can communicate with the related trainees.GIS mobile application is used by each trainee subscribed to a GYM, in which he can see his training programs to which he is enrolled, and help him daily achieving each program step-by-step with all necessary information to get the maximum out of it.Feedbacks mentioned by each trainee, which may seem irrelevant, will help the trainer from the back-end to follow progress and provide the appropriate advices and support accordingly.Limited variable features are provided to trainees (weight changing, date/day variation…) so that the trainers at the back-end can control it the maximum possible. Of course, any changes done are registered and sent to the trainers for detailed analysis and adequate outputs.