Screen size on your mobile makes a big difference to how you use it. Every user likes a different screen size. If a 4-inch screen size is what you like, then Cat makes some amazing 4-inch smartphones. Well, if you're on the hunt for the best Cat 4-inch mobiles, then our list of the best best Cat 4-inch phones will serve your purpose in finding the best Cat 4-inch smartphone out there. So go ahead, and take a look at the top Cat 4-inch mobile phone out there that you can buy.