Call of Duty Companion App a companion app which will be helpful for fans of the legendary series of first-person shooters. The program allows you to view your progress in multiplayer Black Ops 4 and WWII, as well as compare your stats with friends. Also here you can analyze its effectiveness over a certain period of time. In accordance with the playing style of the user it will be given personalized tips to improve the game. There is also a news section where everyone can keep track of the most interesting events of the community.