Aqua Mail for Android adds so many features and options that it might be a worthy replacement for your default email app.

Gmail for Android is an easy-to-use email app that saves time and keeps your messages safe. Get your messages instantly via push notifications, read and respond online & offline, and find any message quickly.

Gmail Go is the Gmail you love, now lighter and just as fast.

K9 Mail for Android is an open-source e-mail client with search, IMAP push email, multi-folder sync, flagging, filing, signatures, bcc-self, PGP, mail on SD & more.

Thunderbird for Android allows you to access the full range of Thunderbird features on your Android device. Try out the latest beta.

Thunderbird for Android Beta allows you to access and test the full range of Thunderbird features on your Android device. Stable version is also available.

Yahoo! Mail for Android is the official Yahoo! email app plus find sports scores, weather, entertainment and the day’s headlines.