Use the font

Extension.swift

extension UIFont {
    class func appRegularFontWith( size:CGFloat ) -> UIFont{
        return  UIFont(name: "HelveticaNeueW23forSKY-Reg", size: size)!
    }
    class func appBoldFontWith( size:CGFloat ) -> UIFont{
        return  UIFont(name: "HelveticaNeueW23foSKY-Bd", size: size)!
    }    
}