I need an app like square (a free POS app without credit card)

HI,

my business has been using an app called square whitch allows us to add products and it adds the total up an tells how much change to give us and tells us how many products we have sold that day ( it is not a credit card app like paypal ect) it is not on the australian mapp store any more could you please tell me some apps i could use instead of Square!