Would you rather have Google or Apple watching everything you do on it?
(Serious question.)
Apple's iPhones are encrypted. Even Apple cannot decipher user data. With Apple you are the customer, and Apple protects your data, but with Google, you are the product because they sell your data! BIG difference.
Also, The Hacker Team, the company which sells the tools to the NSA, CIA, FBI, MI6, and other federal agencies and police agencies around the world to break into mobile devices says the have tools to break in to every mobile device except un-jailbroken Apple iPhones and iPads! They are currently offering $1 million to any hacker who can provide a means to break into iOS. So far it has gone begging.