Here at iPhone Appstorm, we’ve reviewed a lot of apps that would fall under the category of “Personal Finance,” but what about the finances that aren’t strictly personal? Out of convenience and necessity, we don’t all always pay our fair share of purchases and expenses at exactly the same time: sometimes a friend pays for drinks to spare you the ATM fee, sometimes an Internet bill can only be connected to one credit card. There are an increasing number of apps out there that combine the financial and the social, helping you to keep track of IOUs and split expenses between friends, families, or roommates and hopefully preventing arguments and forgotten favours.

Lets take a look at some of the best apps in this “social finance” category after the jump!