You may manage your default charity online in the Account section.
Mobile
Go to Account button at the bottom of the Apogee Travel app
Log in, if you are not already logged in
Web
Go to Apogee Travel
Log in
If you are not logged in, click "Log in" in the top right corner of the website
If you are logged in, click your name in the top right corner of the website
Select Account from the menu
You can view and edit your default charity on this page.