download the app, search for ‘password manager secret server’ in the App Store.
the app is installed, open the app and tap Existing Installed Account:
in your Secret Server URL:
http:// or https://
your installation of Secret Server is a virtual directory (i.e. not its own
website), you must also include the application
your username, domain (if you are using a domain account to authenticate), and
password. If you are required to authenticate using RADIUS, you will also need
to enter your RADIUS password. Otherwise, leave this field blank.
Done at the top-right corner to log in.
For troubleshooting tips, see this KB article.