The Blue email application is probably the best all-around e-mail out there. It has a simple interface, compatibility with any messaging provider, and it keeps things clean.
There are also a number of smart adjustments that can help you personalize your experience. It also comes with support for Android Wear, the ability to block private emails, widgets, color coding and more. It is a powerful, easy and best of all, is completely free to download and use.
People no longer write anything about it, but are regularly updated and rocking 4.7 stars in Google play. It’s one of those Android apps worth your time.