A visit pass with an expiry on the card, "7 of 10 left, valid until 14 December", scanned at the door, is coming; selling the block up front, with payment, follows with prepaid. Today a membership card shows Active for unlimited students, with a first-class coupon for the friend they bring.
A push when a pass has two classes left and three weeks to run keeps the block from quietly expiring, which is the moment most students stop coming.
Build your studio's pass
Fifteen minutes before or after a class.