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.
BitSplit - Split expenses - Simplest app to split bills
EquiTable - Split the bill fairly
Splitser - Splitser is the app for tracking, calculating and settling group expenses. ✓ Payment App ✓ Group Expenses ✓ Spend app
Spend Together - Spend more time on things that matter, rather that arguing about who owes whom and how much