NatWest has today launched a £200 account switch offer to new customers, but only if they log into the mobile banking app. Customers need to switch from their main current account elsewhere to the bank. In order to get this offer, customers need to use the Current Account Switcher Service and pay £1,250 into account. Furthermore, they must log into NatWest’s mobile banking app within 60 days of switching their current account. Do you have a money story you’d like to share? Get in touch by emailing money@gbnews.uk. New customers can get £60 back in Rewards each year by signing up to a NatWest R…