** The hOurworld app is optimized for iPhone with iOS 7 with a 4-inch Retina display **
hOurworld is a national network of Hour Exchanges (time banks) where you can provide a service, bank that time and then spend the hours you have earned to get services you want.
This hOurworld mobile app is a partnership among hOurworld, the Center for Human-Computer Interaction at Pennsylvania State University, and Palo Alto Research Center.