HockeyApp is, among other things, an analytics platform:

Distribution, crashes and analytics are just a part of the story. We’ve built App Center with powerful new features and services that help you build better apps in record time.

HockeyApp is transitioning into Microsofts newer App Center. It has been since we’ve seen this analytics platform used without user information, consent or control, e.g. by BitDefender security solutions, rendering them Spyware.