How do I make monthly subscription system with in app billing extension?

i want to make in my app monthly subscription system . if user take subcription then ads will not show for one month otherwise ads show to user.please help me

you can use the billing extension for this
see also Q13 in the Q&A section there...


Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by icon24 Taifun.