If the password for the inTOUCH phone app needs to be set or reset this can be performed by the user from the inTOUCH login screen.

There is a 'Forgot Password?' hyperlink under the 'Sign In' button which will cause an email to be sent to their email address and it will have a 'Reset' option within it.  

The new password must be completed within 60 minutes of the reset link being used or the option will expire.

If you need to kill the app completely you can follow these steps Reset inTOUCH app