The Free plan needs no payment. Pro is a Clerk subscription at $49/month or $300/year.
Contact iamk.swaroop@icloud.com within 14 days of the first charge if the Mac build cannot generate or export after a documented setup attempt. Approved refunds are issued through Clerk. Cancelling stops renewal and keeps access until the paid period ends, followed by up to seven offline days.
Refunds are not available after commercial distributor packs from a paid period have been published.