Every new account starts with 14 days of Team, for up to 10 people including open invites. You are not charged during the trial, and you do not enter a card to begin. At the end, subscribe to Solo or Team, or do nothing.
If you do nothing, the account becomes read-only. You can still view and export what you created. You cannot add new entries until you subscribe. Because no payment was taken, there is nothing to refund.