DM Minion is a easy to use and robust combat tracking tool for D&D4e.
Get it on the app store: itunes.apple.com/us/app/dm-minion/id5126...
For more info visit: myminion.goatheadsoftware.com/myminion/D...
Download .DND4e and .MONSTER XML for import via the myMinion website (Requires Internet Access) Manage Players, Monsters and Encounters
Manage all aspects of a 4e combat (Initiative, HP, Powers, Conditions, and more...)
Manage players Rests and milestones outside of combat
Save your Adventure state on your device, for use outside of WIFI or Internet areas.