If you want to create an effective loyalty program for your Magento 2 store, Reward Points extension is the perfect one to go with. This extension allows merchants to create flexible rules for reward points: registration, first time purchase, purchase specific products, customers’ birthday, etc. Recently, we have added the addon to this extension, which gives customers points when they refer a friend.

- Create up to 8 custom point earning rules: registration, purchase, refer a friend, etc.
- Points can be assigned automatically or manually
- Show reward points with product prices
- Social sharing available
- Point usage history in both backend and front end
- Refund by points
- Membership tiers

Link detail: https://store.magenest.com/magento-2/reward-points.html

In addition, you can refer to The 7 Best Magento 2 Reward Point Extensions in the following article: https://store.magenest.com/blog/top-reward-points-extension/