Report such as [29] remarked two points, Android is the most attacked OS and comparable to iOS it is higher targeted by malewares. Other report [3] discussed some security aspects to make iOS very secure against the threats and also discussed some Android mechanisms to provide security and there is a caution said that the expectation over 120,000 mal wares if the Android providers didn't update their security policies and mechanisms. A good reference reviews the mal wares names and types and targets is [2]. In this report a short description for the malwares is introduced and Android malw ares take the largest share. To give an overview about the numbers of mal wares for Android compared to iOS, accompanied with some names and types examples is shown in Table 2. The table shows that the Android more exposed to mal wares rather than iOS.