You can download and use all amChartsfor free. The only limitation of the free version is that a small link to this web site will be displayed in the top left corner of your charts. If you would like to use charts without this link, or you appreciate the software and would like to support its creators, please purchase a commercial license
Exclusively for Metronic users:
After purchasing Metronicyou will get a promo code for 15% DISCOUNTfor the commercial license of amChart. To find the promo code please check the README file in the Metronic's purchased package.
For more info please check Amcharts Home.