There is a difference between them. A pie is a sweet or savoury dish with a crust and a filling. However, a tart is a sweet or savoury dish with shallow sides and only a bottom crust. Also tart crusts are usually made from pastry dough: traditionally flour, unsalted butter, cold water, and sometimes sugar. So far, we have over a thousand assorted recipes already and increasing everyday with the kind help of our members.