LetsPayTheBill.com VS Spend Together

Splitwise - Splitwise is a free tool for friends and roommates to track bills and other shared expenses, so that everyone gets paid back. On the web, iPhone, and Android!

/Tab - The simple way to split a bill among friends.

Kittysplit - The easiest way of sharing costs with a group of friends

Tricount - Manage and share expenses with friends

Splitit - Splitit is a solution that enables consumers to pay for their Retail or Web purchases using their existing credit cards and divide the total cost across as many interest-free payments as they choose, without completing a credit application or qualif…

ihatemoney - Manage your shared expenses, easily