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