Nearly 6,800 Starbucks locations in U.S. will begin accepting mobile payments . Customers can use Starbucks Card Mobile app on their iPhone , Android , or tablet . MASHABLE.com . App lets users track rewards and reload cards as needed via cash or credit card .
Nearly 6,800 Starbucks locations in U.S. will begin accepting mobile payments . Customers can use Starbucks Card Mobile app on their iPhone , Android , or tablet . App lets users track rewards and reload cards as needed via cash or credit card .