The biggest difference between cobblers, crisps, and pies has to do with the topping. Cobbler- Uses a biscuit-like topping to cover the fresh fruit filling. Crisp- Tops its fruity filling with a sugary oat topping. Pies- For pies with a fruit filling they are topped with additional pie crust, either as a whole covering with vents, lattice coverings, and more!