Sparrow

Sparrow is an email client for iPhone that offers a coherent impressive feature that will quickly forget about the default iOS mail system.

The application supports IMAP protocol. You can use Gmail, Google Apps, iCloud, Yahoo, AOL, Mobile Me ... and it enables you to group all your email accounts from different accounts in the same anchor so you can keep everything in perfect order.

Other Attractive Features Include file attachments on your screen with one tap of the screen, accelerating and navigating to the email conversation, adding personalized avatars to each of your contacts, and searching through your inbox faster through a powerful search tool.

Those with whom you have maximum interaction will be automatically shown at the top of the application. The client will also automatically detect your most important emails and separate them from your upcoming messages, so that you only need to look at a glance.

Sparrow is a great option for traditional iPhone email clients. It has everything necessary to leave the other competing dust left.