You can prefix the helper methods name with your chosen words to avoid name clashing with other charting libraries (e.g. chartkick, google_charts, etc.) you already use. Just set the APEXCHARTS_PREFIX environment variable to a string before you start your app server, say, 'awesome_' and then on your views/templates use the chart helpers as awesome_line_chart, awesome_area_chart, and so on.
Besides setting the environtment variable, if you just want a quick prefix, you can instead do this on your Gemfile: