EngrApp is a real time management and organization tool for geolocalized groups for specified purposes focused on the information and safety of the group members thanks to the information shared within each group. For a Premium Account holder, EngrApp is a powerful management and operations tool to share information to a targeted population. Mainly aimed at entities that manage large groups of members and/or clients to help them in the: - coordination of the group due to the information shared. - Understanding of the group behavior - Decision marketing and strategic process by accessing the group anonymized big data. For users EngrApp is a free app. allowing them to create private groups or adhere themselves to company groups in order to access the information shared in those groups such promotions or campaigns, geolocation of people and places with the possibility of chatting in the groups and if desired to share their position. For a company EngrApp is a powerful marketing, management control and operations tool aimed to companies with large number of clients moving in big areas like amusement parks, ski resorts, golf courses, hunting fields, tourism enterprises (travel agencies, resorts ... etc) is currently also being tested its potential for franchisors groups (mainly for restaurants and fashion) helping them the decision making in many areas by accessing the bigdata that EngrApp produces.