Amazon's app has become unnecessarily convoluted to use. They discriminate against people who are not always able use live chat or the callback service. No email address will respond to emails. They have charged me for an item I have requested to be collected 7! times! Subscribe and save has been dispatching on random days, so an item is automatically bought and dispatched before you know to cancel. Says you have free ebooks to choose but won't let you choose. So, so VERY shady, Amazon!!!!!!