Top Frozen Yogurt POS Solutions by Sintel Systems. The Frozen Yogurt Industry is quickly growing with more demand nationwide than any other time in its history. Customers are looking for variety with flavors one would never believe possible.  Frozen Yogurt Shop owners are looking for ways to keep up with the demand & hunger for variety. With some stores accumulating lines as long as the eye can see, order processing becomes more and more important than ever. There is nothing worse than choosing your favorite variety of frozen yogurt and topping just to watch it melt as one stands in line waiting to pay. Frozen Yogurt POS industry has also evolved allowing for cashiers to process customer orders within seconds.