Yes it is free.
account on morningstar.com gives only access to us listed products (VT ok, Viac not ok, VWRL not ok), while morningstar.ch (or any europe i suppose) gives only acces to non-us listed (VT not ok, vwrl ok, viac ok).
So i use the ch site and listed Vwrl instead of vt. Close enough.
The portfoliomanager is not that great, which surprised me since morningstar is well known (maybe paid account is better).
But the instant x-ray works really well. You first have to create a portfolio or a watch list, then x-ray. I did a watch list bc it is possible to list the assests according to % of portfolio (not necessary to enter amount of shares).
So xray is really good to check the sector / regional / value / size allocations of your portfolio. To follow the performance i would love to find smth else (or excel until now).
For example my global portfolio: