In this completely digital world, when it comes to calculating the most efficient end to end payment application, the name of Cash App is prominent enough. And why not, it is the splendid payment app developed that allows extremely secure payment environment. Founded by Square Inc. in the year 2015, itís initial name was square cash. Despite strong competitors like PayPal, Venom, Zillah Pay, it made a great debut in the market by increasing its download numbers in millions. If youíre an existing cash app user, then you can get detailed knowledge about it via Cash App Customer Service Phone Number.