https://woocommerce.com/products/coupon-referral-program/

Builds a Strong Customer Base: The referral coupons offer lucrative deals to attract more and more customers.Improves Interaction & Engagement Rate: Using coupons and referral marketing together elevates the engagement and interaction rate between your business and customers.Strong Customer Loyalty: This WordPress referral plugin helps you create loyal customers as the referral coupon offers to keep your customers close and connected.Enhances Brand Awareness: The referral marketing approach with coupons helps you to increase your brand awareness among the potential audience.Improves Customer Lifetime Value: The coupon deals keep your customers satisfied and promote their shopping interests. Thus, it helps in improving your customer lifetime value score.Leverages Referral Marketing:  It provides the option to share the referral link on Facebook, Twitter, and email. This plugin promotes referral marketing tactics by collaborating with coupon marketing.You Get Full Control: The admin gets control over how many WooCommerce referrals the coupon for the referee will be valid.

Changelog

New : Latest WP( 6.4.2 ) & WC( 8.5.1 ) Compatibility

New : Matching emails – When a guest user attempts to use a referral coupon the billing email is checked against any previous orders. If there is a match the coupon will be removed.