If you go to the site and check the rates yourself, then it is free and there is no charge for it, and it is without registration on the main page - select the exchange of cryptocurrency and the direction of buying a dollar for the chosen cryptocurrency.
But according to the topic about exchanging PAYPAL for cryptocurrency. The tariffs are as follows:
When replenishing the balance, there is no commission, that is, you replenish $ 100, you get $ 100, the replenishment can be from PAYPAL or from other available directions. There is also no commission between users in the payment system itself. Now, when exchanging $100 for cryptocurrency, the fee is 0.75% + $0.50. BTC