Well, the more you expect from a single person the more you'll need to pay them. If you want to find a designer that can create your logo, design your UI, and

Well, the more you expect from a single person the more you'll need to pay them. If you want to find a designer that can create your logo, design your UI, and code the HTML/CSS/JS on top of that (and who's good at all three), expect to spend a lot of time searching for them, and once you'll find them they won't be cheap.