Pluging de wordpress clon de Releasit COD Form & Upsells

I want to create a plugin work on WordPress and can use it with elementor and any app buulding landing page that's an exact clone of the Release COD Form & Upsells found on Shopify, with the same features and everything.
Here's the plugin link:
https://www.spocket.co/shopify-apps/orders-and-shipping-delivery-and-pickups-cash-collect-on-delivery-cod/easy-order-form

https://apps.shopify.com/releasit-cod-order-form?locale=es