Which of the following is not true about the subscription monetizing technique?

A.
It works by offering your application for free but charging a monthly payment for the
service being offered by the application.

B.
It works by offering your application as paid application for minimum amount and charging
a monthly payment for the service being offered by the application.

C.
It works by offering your application for free but charging a yearly payment for the service
being offered by the application.

D.
It works by allowing the user to pay once for the application download, then the user gets
free updates.