Turn your store’s existing customers into the store’s advertisers to achieve maximum ROI and increase sales with refer a friend extension. This extension initiates an affiliate program in your Magento 2 store where you encourage your customers to refer your store to their friends and family and get rewards. It offers a 2-way reward program where you incentivize both the referrer and the referred users.
The refer a friend extension is an excellent tool to reduce your marketing costs as it will be done by your existing customers for nominal discount. Also, it’s an effective form of marketing done by people who have hands on experience with your store.
Key Features of the extension
Details: https://www.fmeextensions.com/magento-2-refer-a-friend.html