Yes. You still need to enter your card details in order to start your trial period. However, at the checkout you’ll see that the amount due is 0$. If you don’t want to be charged, remember to cancel the subscription before the trial period is over. Or, in case you forgot to cancel, you still have 30 days to get a refund.
How often is new content added?
New lessons are being added every day. As a member, once a week you’ll receive in your mailbox the latest readings that suit your level.