Aqua

Aqua Mail is the go-to app for all your email needs. Whether it’s a work or personal email, a corporate exchange server, Aqua Mail lets you easily access all your emails from one complete app with full transparency and control over your daily emails and privacy. Aqua Mail doesn't store your passwords on alternative servers. You can use OAUTH2 to login in Gmail, Yahoo, Hotmail and Yandex without entering a password for even higher level of security.