I've not done IAP, just ads and amazon underground (which has since been cancelled). My games weren't geared for IAP. Underground by far made us the most. To be

I've not done IAP, just ads and amazon underground (which has since been cancelled). My games weren't geared for IAP. Underground by far made us the most. To be sure there's companies squeezing every last drop psychologically out of its free users, and it irks me to no end. Games are supposed to be fun.