Company Gotclues, Inc created these great apps:
iRewardChart: Chore Tracker, Peekaboo HD, ScoutChart, iRewardChart for iPad: Reward Tracker Behavior Chore chart for Parents, Peekaboo HD Jungle, Peekaboo HD Safari, Peekaboo HD Ocean, Peekaboo HD Rides, Peekaboo HD Forest, and others..