Scale text label by screen size

Question

Is there a way to scale text so that it takes up close to the same screen real estate no matter what the device size is? I\'ve found that the text on an iPad sized device is

Answer 1

different screen sizes acoording to

// iphone 5s,SE screen width 320
// iphone 6,6s,7,etc width 375
// iphone 7 plus, 8 plus, xs max,etc width 414
if (self.view.frame.width == 320) {

    label.font = UIFont(name: label.font.fontName, size: 16)

} else if (self.view.frame.width == 375) {

    label.font = UIFont(name: label.font.fontName, size: 21)

} else if (self.view.frame.width == 414) {

    label.font = UIFont(name: label.font.fontName, size: 24)

}