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!
Bobby - Keep track of your subscriptions
/Tab - The simple way to split a bill among friends.
Recurpay - Recurpay is a subscription SaaS app for businesses that automates recurring billing.
EquiTable - Split the bill fairly
Rocket Money - Find your paid subscriptions and cancel with one click