You are using an outdated browser. Please upgrade your browser to improve your experience.
Paste this code into your website: Customize
XCB tracks your calories and shows you whether you're in an energy deficit or an energy surplus.

XCB reads data from HealthKit to determine how much energy you've burned throughout the day. When you choose to log a meal, XCB stores this energy consumption data in HealthKit.
Justin Gibbons