One price for every subject. Pick the subject and the hours, pay by card, and book your lessons with your tutor in your account.
Packages are valid for nine months. Unused hours are refunded pro rata: hours delivered are charged at the single-hour price and the balance returned. Move or cancel a lesson with 12 hours' notice at no cost; inside that, half an hour comes off the package. If we cancel late, that lesson is free. The first lesson is usually within three days, in the evenings or at weekends (CET), with the same tutor every lesson and a two-line note to parents after each one if you want it.