I provide a free trial for my product even without asking for an email address, customers can just download and test it. From what I can tell, this works prett

I provide a free trial for my product even without asking for an email address, customers can just download and test it. From what I can tell, this works pretty well, a good amount of the ones who test the product and up purchasing (after 7 days you are prompted to purchase to continue using it).