Google Pay - Make secure payments right through your Android device.
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!
AirPay - Integrate all payment channels via one single API
Kittysplit - The easiest way of sharing costs with a group of friends
PayGo Wallet - PayGo Wallet is a Mobile Application that offers a unique opportunity to make electronic payments.
ihatemoney - Manage your shared expenses, easily