Between these 2, I would choose hexagon screws. I find them much more useful than Philips screws because they are easier to tighten and loosen thanks to the 6 sides, and you can access them from 360 degrees, provided you have room to move your tools, while with Philips screws, the process is much harder. But the disadvantage for both is that they lose weight very quickly and have to be replaced over time. I consider that there are much better screw alternatives, such as self-tapping screws, because it has much longer durability and requires minimal preparation.