Yes, that’s the IMDb ad-supported version discussed above.
We tried watching something (not WW, we have that on those funny shiny silver things) on IMDb, but gave up, as there were just too many ads, too often, for us to continue with it 😢
Set a Payment PIN on your account so that no-one but you can buy memberships on it. Check your bank accounts monthly for any other unexpected payments to Now. That way you can at least nip them in the bud, while you and Now figure out whose fault they are.