We had a great success using Talkable for referral marketing. Easy implementation, high conversion. Highly recommended

After trying a few different referral apps, I am really happy that I have moved over to Talkable. Its was super easy to get setup (pretty much fool-proof), really easy to track its success in the one dashboard, and coupons are created automatically, so no need to keep topping up a coupon bank.
Customer service has been great too - Alex promptly came back to me with the answers and solutions I needed.
Well worth the switch.