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!
Coinflo - The social wallet - It's like Venmo + Coinbase
/Tab - The simple way to split a bill among friends.
Facebook Pay - Send money to your friends via Messenger
EquiTable - Split the bill fairly
Nuri - Invest in cryptocurrencies, create savings plans & earn up to 5% interest per year on bitcoin directly from a German bank account.