WooCommerce Change "$0.00" To "Free"

Pre-Requisites

There are no pre-requisites in order for you to be able to implement this solution.

How To Implement This Solution?

Simply copy the pre-coded solution to your active theme’s functions.php or preferably the Code Snippets Plugin.

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About This Solution

If you have products which are free, the single product template and archive loop item will display the price as “$0.00” by default. This default display could confuse users. A better options would be to display text like “Free” or “Price on application”. This snippet looks at whether a product has a price or if it is set to 0 and if true, will display custom text.

/**
 * Snippet Name:	WooCommerce Change "$0.00" to "Free"
 * Snippet Author:	ecommercehints.com
 */

add_filter( 'woocommerce_get_price_html', 'ecommercehints_change_zero_price_display', 10, 2 );
function ecommercehints_change_zero_price_display( $price, $product ) {
if (empty($product->get_price()) || $product->get_price() == 0) { // If price is not entered or set to 0
$price = __( 'Free', 'woocommerce' );
}
return $price;
}