Iphone query related to apps?

I have iphone 4. I jus want to have a lock on my whatsaap messenger. That is application lock like one can do in android phones. Can i do that? What should i search in app store?

Yes, app lock is an app you can just download it free and can protect your whatsapp data, but yes its for android use only.

  • Would i have Legal issues if i named my iPhone app the same as a current product non-gaming related? Apparently, the name of my iPhone game is the same as a book written by a non-famous author, the book is about super hero's. My game is not about super hero's. Also, when i search google images, the name of my game shows up as the vehicle, Jaguar's icon. Would i have a legal issue to name my game the same as a book and a google image that shows up as Jaguar's icon?
  • What is dpkg-query on iphone? I downloaded an app on my iphone called "carat" that says what uses the most battery on your phone and it says that "dpkg-query" uses a bit of life. I'm jailbroken if that helps. What is this? How do I fix it.
  • Some queries related to iOS 7 Jailbreak? I just wanted to get one of my doubts clarified. I had tried the jailbreak on my iPhone 4S and unfortunately it got stuck on Apple boot logo. The reason being that I had updated the phone over-the-air. Now, I had created a backup of the phone. I downloaded the software from iTunes and then restored my phone from backup. Now, will my phone have the OTA update or the downloaded update from the computer? The reason being that I don't want to brick my phone again.
  • Query related to Dropbox/ iPhone 4s? I've transferred pics of my recent trip to Kashmir to Dropbox on my iPhone. If i delete the pics from the iPhone Photo Folder (to make space), will they still be there on the Dropbox? I wouldn't want to lose them, so could someone please help?