How to password protect apps without Jailbreaking iiphone
No, at the moment it's simply not possible within the constraints Apple places on apps. Without jailbreaking, the only way an app could be password protected is if the app developer builds it in. To do otherwise would require modifying the functionality of the parts of the system responsible for launching apps (Springboard), which Apple's rules don't allow, and I suspect that won't change in the foreseeable future, if ever.