Despite Apple's newest push to prove their phones don't need a case, it might always be best to have one. It is really up to you, but also depends on your insurance or desire to gamble on your phone's drop protection. Many people use phone cases as a way to reflect their style or just use it for protection. But you don't want to test your luck with a brand-new iPhone that you paid at least $800 for. The laws of gravity apply to everyone.