oleksandr87

This plugin will automatically restock a product after it is purchased, so you don’t have to worry about running out of goods. After the plugin is installed and activated, it will do all the work for you.

Restock product after purchase

This plugin will automatically restock a product after it is purchased, so you don't have to worry about running out of goods.

datascoopservices

Datascoop – Smart Restock helps WooCommerce stores collect customer interest when products are out of stock and when shoppers want a price-drop alert.
Basic version includes:
<ul>
<li>Back-in-stock alert form for unavailable simple products and selected unavailable variations.</li>
<li>Price-drop alert form in the product summary area.</li>
<li>Logged-in customer email capture.</li>
<li>Guest email capture with consent checkbox.</li>
<li>Email notifications when products return to stock or reach the customer target price.</li>
<li>Subscriber list and email logs inside WordPress admin.</li>
</ul>
This WordPress.org version is fully functional for the features included in this plugin. It does not require a license key, does not contact a Datascoop server, and does not send site/admin data to any external service.
For PRO feature details, visit: 
https://datascoopservices.com/smart-restock-plugin-for-woocommerce

Datascoop – Smart Restock

Basic WooCommerce back-in-stock and price-drop alerts for product pages.

Restock product after purchase vs Datascoop – Smart Restock