We have a ecommerce website build by Prestashop 1.6 and we need to get one promotion for our cutumer in Cart Rules :
Buy 2 get 1 Free
We need to add automaticly the 3rd product in the cart when they add 2 same product.
We have buy Maxipromo plugin but its not working, they dont have this promo possibility.
Our budget is 50 USD