When you sign up for the 3 days trial, you accept the terms which include automatical renewal of the membership after the 3 days - unless you unsubscribe it before.

Read the terms of the membership here: http://www.findroommate.dk/blivmedlem

When the 3 days end, a membership which has not been unsubscribed, will be renewed for the full period stated on the purchase site and in the terms, you accepted.

You can see all your purchases and when they were made under Du kan se alle dine køb, og hvornår de blev lavet, under Settings > My purchases 

Fandt du dit svar?