As you already know this is marketing and advertising module for your store based on PrestaShop engine and it generates unique voucher codes for newsletter subscription. This addon works with default newsletter subscription block module that is available in prestashop for free (module is available with each prestashop installation).
Demo: https://mypresta.eu/modules/advertising-and-marketing/unique-voucher-for-newsletter-signup.html
Download:
Demo: https://mypresta.eu/modules/advertising-and-marketing/unique-voucher-for-newsletter-signup.html
Download: