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!
Rocky App - Money Manager - Budget & Expense Tracker
BitSplit - Split expenses - Simplest app to split bills
Splitser - Splitser is the app for tracking, calculating and settling group expenses. ✓ Payment App ✓ Group Expenses ✓ Spend app
Dolcent - Simple, Beautiful, and User-Friendly Budget/Expense Tool
EquiTable - Split the bill fairly