How to display “Free” for product with $0.00 price in Magento 2

Going to use the Around plugin to change $0.00 to as “Free” text. You can follow below steps to get it done:

For PLP and PDP, you can replace your module name as per given exapmle

app/code/MM/Training/etc/frontend/di.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">

   <type name="Magento\Framework\Pricing\Render\PriceBox">
       <plugin name="change_text_for_free_product" type="MM\Training\Plugin\Pricing\Render\PriceBox" sortOrder="1"/>
   </type>
</config>

<?xml version="1.0"?>

<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">

</type>

</config>

app/code/MM/Training/Plugin/Pricing/Render/PriceBox.php

<?php
namespace MM\Training\Plugin\Pricing\Render;

use Magento\Framework\Pricing\Amount\AmountInterface;

class PriceBox
{
   public function aroundRenderAmount(
       \Magento\Framework\Pricing\Render\PriceBox $subject,
       \Closure $proceed,
       AmountInterface $amount,
       array $arguments = []
   ) {
       if ($subject->getPrice()->getValue() <= 0) {
           return 'Free';
       }

       return $proceed($amount, $arguments);
   }
}

<?php

namespace MM\Training\Plugin\Pricing\Render;

use Magento\Framework\Pricing\Amount\AmountInterface;

class PriceBox

{

public function aroundRenderAmount(

\Magento\Framework\Pricing\Render\PriceBox $subject,

\Closure $proceed,

AmountInterface $amount,

array $arguments = []

) {

if ($subject->getPrice()->getValue() <= 0) {

return 'Free';

}

return $proceed($amount, $arguments);

}

Just flush your Magento cache and changes will reflect over the frontend. It will be displayed as “free” instead of “$0.00” amount in your store frontend.

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