Hi alanp46 -
The Xfinity Home Mobile App uses an @comcast.net email address on your general Comcast account (& the associated password), so you would not be able to change the password for XHome independently.
I'm in a very dangerous situation, soon to be ex is stalking me and don't remember how to change passwords, he has them. PLEASE HELP, I"M DESPERATE
Duplicate Post Removed from the forums.
If you change your XFINITY password, other users who are signed into the Xfinity Home app will be logged out. You can find steps on how to change your password at the following link --
Please let me know if you are successful in updating the password.