Kyriakos

<ul>
<li>Admin menu: COD Customers with columns Name, Email, City, Received COD (Yes/No).</li>
<li>If Received COD = No, the cod gateway is removed at checkout for that customer.</li>
<li>Applies when users are logged in OR when they simply enter their email address on the checkout form.</li>
<li>Lightweight, no database tables required (uses user meta).</li>
</ul>

COD Control

Control WooCommerce Cash on Delivery availability per customer.

kiswasolutions

Many store owners need to charge a small additional amount when customers use Cash on Delivery (COD) because this payment method can involve extra handling costs, manual confirmation, or delivery risks.
This lightweight plugin makes it easy to apply a fee only when COD is selected, without affecting any other payment method. It works automatically on the cart and checkout pages and uses WooCommerce’s native settings interface.
Key Features
<ul>
<li>Add a fee only when Cash on Delivery is selected.</li>
<li>Choose between a fixed fee or a percentage of the cart subtotal.</li>
<li>Optional minimum order amount before the fee is applied.</li>
<li>Customizable fee label displayed in cart and checkout totals.</li>
<li>Works with WooCommerce’s built-in COD gateway.</li>
<li>Fully AJAX-compatible — fee updates instantly when the payment method changes.</li>
<li>Lightweight, clean, and optimized for performance.</li>
</ul>
This plugin focuses on one simple function and does it reliably: adding a COD fee when needed.

Kiswa COD Fee for WooCommerce

Add a simple extra fee when customers choose Cash on Delivery (COD) in WooCommerce.

COD Control vs Kiswa COD Fee for WooCommerce