Originally Posted by Nathan

NATSlite simply is a price tier. If you stay below 300 new joins a month you are in that tier, once you go over you are in the NATSplus tier and once you go over 750 you are in the NATS tier. Maximum you would pay is $650 a month, whatever the number of joins you do.

There is difference in the software itself, we do not even have to update it when you go over the soft limits.