Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
FCorp ID Book - ID Book is a handy, easy to use application specially designed to offer users a simple address book.
WhosCall - WhosCall is a reliable caller ID app whose popularity has led to its adoption by many users including international media. You can now manage the numbers calling you regardless of whether they are part of your contact list or not... read more.
CallerPy - Truecaller Name Retriever.
CallerSmart - CallerSmart is an application that is basically used for the purpose of looking up mystery phone numbers for free.
TrapCall - TrapCall is an application for the purpose of getting the caller IDs and unmasking the blocked calls.