HiCont is an easy-to-use and secure app that allows you to create an invisible list of contacts and phone numbers that you can hide from your phone's Contacts list. This app uses a highly secure authentication system.  It lets you set an Access PIN, Lock Pattern, or Calculator Lock, in addition to an Intruder Alarm.

HiCont lets you change the app icon. This is a great way to differentiate between the apps and make them more attractive.

HiCont lets you create an invisible list of contacts and phone numbers. In this way, you can hide your private contacts and phone numbers from your Contacts list to avoid conflict with your partner, friends, and even your boss!