British bank Nationwide has redesigned its iPhone and Android banking apps, introducing biometric authentication following recommendations made in customer feedback.Users who have iPhones and iPads can also now log on using biometric technology as the new app is enabled with Apple's Touch ID feature.Users can also now manage their money across a range of devices as the display will automatically adapt and change to suit the size of the screen being used.Barnaby Davis, Nationwide's Divisional Director Group Retail Strategy, comments: “New dynamics such as fingerprint recognition, deep searches and the ability for customers to view their cash flows will give people more control at a time that suits them.””As a mutual, Nationwide is owned by and run for the benefit of its members. This is why when designing our new mobile banking app we listened to their views and have integrated many of the developments they said they wanted. But this has not come at the expense of any of the previous functionality that they already get real benefit from. What we have is a very comprehensive banking app, which works beautifully across a range of devices, with the display automatically adapting to provide optimised content for different screen sizes.”He adds: “Our customers increasingly want to do their banking on the move and we believe the new app puts customers in the driving seat when it comes to their money. “