One in five US smartphone owners use mobile payments in stores

Nearly 20% of US smartphone owners have used a mobile payment app at a retail location, research released by Parks Associates shows. “PayPal is overwhelmingly the most used payment app with 63% of payment app users choosing this payment solution, compared to 38% who use the Starbucks app,” the firm says, adding that 80% of consumers are “very satisfied” with the mobile payment apps they use.