I think the ones that give a lifetime license to a freemium like version of their app often do better than those who give lifetime to the overall. But if I pay

I think the ones that give a lifetime license to a freemium like version of their app often do better than those who give lifetime to the overall. But if I pay a few bucks and get 2-3 years of use I'm probably going to be pretty happy. If I spend tons of bucks then I'll probably be less than happy.