For those of you who want to change default “Free!” text for products and don’t want to / don’t know how to write some code to the functions.php in your theme.
This simple plugin extends the WooCommerce settings to display custom text for products with free price and blank price. Custom text is defined on the catalog tab of the WooCommerce settings screen.
This plugin is WooCommerce 2.x compatible.
If you like the plugin, please rate and review it here. Thank you!