Contribilling is a FREE application which allows you to invite and add your social circle for shared expense management (contribute to the billing) ideal to share expense with your friends, colleagues and family members. You can create Groups (recurring expenses like room share expenses, movie tickets, etc) & Events (One time expense event for example picnic, party, etc).
It helps you to have payment reminders, budgeting and detailed reports for the expenses. The simple interface on mobile and web platform makes it ideal to be used across platforms.