The Call of Duty® Companion App: your definitive, 24/7 connection to all things Call of Duty. Analyze your performance after every battle, connect with friends across platforms and see when they’re playing. Track your friends’ performance and compare stats and achievements, then team up with your Squad to compete in weekly tournaments for in-game prizes. Plus, get heatmaps, stats, and informational updates from the Call of Duty team to grow your skills and stay ahead of the curve.