WooCommerce Coupon Box is a plugin that helps you to collect your customers’ emails. The plugin displays a pop-up that let customers subscribing to their emails to get discount coupons.

Demo
https://codecanyon.net/item/woocommerce-coupon-box/22495702

Download
https://www.filecad.com/e8xz/WooCommerce-Coupon-Box-v2.0.4.2.rar