If you are a student working on a semester project, time your download to coincide with the month you need to build the schedule. When the 30 days are up, your work is done.
Registered users who need to bypass certain export limits (e.g., the 10-card limit for XML export) on a specific machine can sometimes request a temporary or special code for free by emailing support@asc.sk Purchasing a License: free registration code for asc timetable