I'm also in the edtech sector, and we purposely offer our free trial without requiring an email or credit card, for this reason. This limits our ability to ensu

I'm also in the edtech sector, and we purposely offer our free trial without requiring an email or credit card, for this reason. This limits our ability to ensure that each person only does one trial though; for years, anyone could get unlimited free trials by uninstalling/reinstalliing. But it was better than the alternative, which you note!