Hello, i have paid for the plus subscription but i cant use the plus benefit .It is like i am a free user? why?
Do you mind sharing some details on this?
Sometimes it can take a couple of days to go through when purchasing a paid plan 
Also you might consider to append your issue to a existing post (Subscription Account Not Upgraded)
I changed my card but in the subscription section the pay I did is there . it’s the second month in a row that I use plus subscriptions. Also the helping centre is not responding I sent them a message at Thursday