I tried the free version, after I tested it bought the paid user version. When I tried to create a new chart it rendered the chart to perfection but when saving I got an error message telling me it couldn't be saved.
So I tried using the apply command instead :

Fatal error: Call to a member function getGroups() on a non-object in html/administrator/components/com_artiofusioncharts/views/artiofusionchart/tmpl/form.php on line 144