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!
Google Pay - Make secure payments right through your Android device.
Kittysplit - The easiest way of sharing costs with a group of friends
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
SplittyPie - Create event, add users and their expenses.
PayGo Wallet - PayGo Wallet is a Mobile Application that offers a unique opportunity to make electronic payments.