Venmo has a big lead. But Square's Cash App has been gaining ground and is now more popular in some southern states. The ability to get a debit card hugely inc

Venmo has a big lead. But Square's Cash App has been gaining ground and is now more popular in some southern states. The ability to get a debit card hugely increases the value to the under-banked. It also makes generating revenue much easier for Square. Right now, Cash app has been #1 in iTunes finance section for a few months and is consistently ahead in Google play's free app ranking.