There are two types of loyalty programs within GiftRocker: simple BOGO (buy one get one) and complex tiered. Simple BOGO loyalty programs allow shopkeepers to choose a reward given a certain count of purchases. For example, a Coffee Club will reward customers with a free coffee after the purchase of 9. Tiered loyalty programs are implemented similar to promotions. Each tier can be unique and the tier thresholds are monetary.
Simple BOGO loyalty programs are implemented as a type of offering. Check out how to create a typical BOGO offering: