A European privacy rights group says the app is violating EU privacy laws.
The streaming channel will make the films free for June.
UK Internet surfers will need to prove they are adults before seeing X-rated content.
The production will match donations to Broadway Cares/Equity Fights AIDS.
The site said the information was still safe, but promised to no longer share it.
The British Parliament is looking for more input on how to police who can access X-rated sites.