In article , VanguardLH
wrote:

The app is to allow remote access to your router; i.e., you are away
from home and want to see what's happening or reconfigure your router
when not at the router.

nope. it's for easy setup, done locally.
remote access is *optional*.

You might want to consider the security
ramifications of allowing remote (external) access to your router. Make
sure to change the default admin logon password after getting the
router.

always, which has nothing to do with any app or remote access.