Ivella - Ivella is building the best banking products for couples, and we're starting with a new way for couples to split expenses.
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!
Onward App - Co-Parenting app to track, share and settle expenses.
Splittable - Shared living made simple
Dinngo - Splitting payments the fun and easy way
EquiTable - Split the bill fairly