I am using a iPhone 5 I was wondering if they is and app or a way to lock certain app that I am using

Hi I am using a iPhone 5 I was wondering if there's is a app or a way to lock some of my app so my friend can't access them without my ok.

The iPhone was not designed as a shared device.  It should have one owner/user.
But Guided Access may do what you want.  Here's a description:
http://support.apple.com/kb/HT5509

Similar Messages

Maybe you are looking for