Simple to use Contact book. Keeps track of people, phone numbers, emails, and Photo. Contact Book is a iOS App directory designed to easily manage contacts' information. It can be a cell phone number or an email Contact. You can also search your friend by simple just type the name in respective search box. Contact Book allows the user to associate a picture to each entered contact. For security you can set and edit pin also ,when you open up the app , you need to enter your pin.