Commercial and free version on the system functions there a difference? 2012-07-17 14:57:05 Drains Co Read Commercial and free version on the system functions without any distinction.The difference between commercial and free version:If you program for commercial use, please consciously purchase a commercial license, otherwise we reserve the right to pursue legal responsibilities;Free version and commercial version without any distinction on the site functionality, business users can get professional technical support services;The free version such as the removal of [Powered by MetInfo] copyright notice will not be able to normal operation! M extension of official and the pursuit of the corresponding legal responsibility!View the free version and commercial version of the detailed features and services compared: View