Unless you are some sort of app reviewer and install hundreds of apps I would say the Google method is better. You get notifications served by default and its a

Unless you are some sort of app reviewer and install hundreds of apps I would say the Google method is better. You get notifications served by default and its a quick long press right in the notification bar to mute all future notifications if needed. Apple wants you to make this decision early on when often I don't even know what type of notifications an app serves.