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!
Splid - Splid helps friends manage their money.
Splitser - Splitser is the app for tracking, calculating and settling group expenses. ✓ Payment App ✓ Group Expenses ✓ Spend app
Kittysplit - The easiest way of sharing costs with a group of friends
Verse Groups - Group expenses and payments, simplified.
ihatemoney - Manage your shared expenses, easily