Appstar Financial’s products and services include conventional credit and debit card terminals, check processing, gift and loyalty programs, point of sale systems, a breach protection program, EBT processing, e-commerce solutions, and merchant cash advance. Appstar Financial does not list a dedicated customer support line on its website, but it does provide a phone number that can be reached from 7 a.m. to 5 p.m. PST, Monday through Friday. Mark Leibowitz is the CEO of Appstar Financial.