Emails have become an essential part of our day to day lives. When the iPhone was introduced in 2007, email was its core feature. The first generation iPhone came with an inbuilt email application named Mail. Mail allowed users to access emails from anywhere. It was a decent app, but it lacked certain features and functionalities. Now, there are a number of apps available for keeping the email account inbox more organized. Check out the list of best email apps for the iPhone.