Keeping your inbox at 'zero' is a becoming quite an achievement, which is certainly a good thing. Email apps are constantly battling it out to see how they can make it easier for the user to get to zero emails in their inbox.
'Morning Mail' is an app that prides itself on keeping your inbox clean. It separates new emails from other mail by representing new emails as cards which can easily be sorted out by swiping left or right, to archive or delete.
Morning Mail is available on the App Store now.