Whether gastronomy, or retail, if you need to learn PLU or article numbers, the PLU Tester is just the right thing for you! For effective learning it is important that you regularly learn your PLU or article numbers! With PLU Tester, you always have the perfect tool at hand. Whether you work at Aldi, Lidl, Costco, Market Basket, Kroger, Walmart or wherever you work! Manage your own lists, use your own photos, or the internal gallery, share your list with your colleagues, watch the improvement of your PLU knowledge! Easy and fast learning.