At present, we will use the intelligent mobile phone at any time, the operating system of intelligent mobile phone has two, one is android, one is IOS.There is a Google invention in the android operating system. Apple IOS system is introduced by apple company.Personally, I prefer ios .Although the android system has the advantage of android, such as, can be more open-minded, more open.That's why they also have a certain aspect of defects, such as vulnerable attacks.In comparison, the IOS system