How to manage account settings on App-Email address, Password, Username and Profile picture
You can now edit your profile on the Seeking Alpha App
First, Open the App and click on the Hamburger menu as shown below.
Your username will show up as shown below, click on the "Account Settings"
Upon clicking on Account settings, you can easily modify your Email address, Password, Username and you can also update your profile picture.
Want to give Seeking Alpha Premium a try? You can sign up from here.