I buy only 1 to 2 apps per month, sometimes less. For me personally the apps that get most conversions from me are apps that offer a unlimited no holds barred f

I buy only 1 to 2 apps per month, sometimes less. For me personally the apps that get most conversions from me are apps that offer a unlimited no holds barred free trial for 30 days and then downgrade to a simpler version (i.e. smart audio book player, lean droid, etc) but they're still useful.