Case-mate has released tons of great cases and I have used quite a few of their products in the past. The Hula case is one of them. The Hula case is a bumper style case which is definitely influenced by the Apple Bumper case. Even though it is much like the bumper case, it has it own uniquenesses. Some of those are the cutouts, clear body, rubber quality, and the button covers. The case features a clear body all the way around the case, unlike the bumper case which is not. Also, some of the cut outs are different as well. The headphones cut out has more space then the bumper case, and the vibrate switch has a larger cut out. I feel like you will have more different types of headphones fit into the iPhone 4 with the Hula case on. Also, the vibrate switch is easier to access then the bumper case. Now the rubber material is definitely different as well. Apple Bumper case rubber feels a lot smoother and better.