Call of Duty Elite's iOS app has been updated to include support for Black Ops 2's Zombies and League Play. The app now lets players access their Zombies stats "to help improve chances for survival" in their Zombies career, and gives the player a "detailed, per-season summary of division and subdivision rankings" for Black Ops 2's League Play mode.
The update is available to download now for free from the iOS App Store.
Call of Duty: Elite's services is now available for free to everybody following Activision's decision to do away with the subscription fee last year. About 2 months after I got it, I must add.