Bungie has revealed details on Destiny's companion app, which will be available on iOS, Android, and PC during the upcoming beta as well as the game's final release.
The app gives players second-screen access to many of the game's role-playing features, including inventory, equipment, quest log, and the lore-filled Grimoire.
Equipment changes in the companion app will be "instantly reflected" in the game, as well as on fully-realised 3D models within the app itself. Players will also be able to check which vendors currently occupy the Tower, which serves as a hub.
The companion app will be compatible with Destiny on all platforms, and is available for iOS, Android, and PC. During the beta, the iOS version will only be available for iPhone, but an iPad version will be ready in time for the game's September 9 release.