Truecaller

Find a person by a name or phone number worldwide for free using Truecaller. Also available on Android, iPhone, Nokia Symbian and Blackberry. Truecaller helps...

Freemium Android iPhone Web Blackberry S60

Retro Sleuth

Retro Sleuth provides background information from any number that you want to search.

Freemium Web

CallerSmart

We've all been there. You've missed a call on your phone from an unknown number. You wonder if you should call back, it could be important. Or maybe it's yet...

Freemium iPhone iPad

Number Checker. All World

Check the telephone number to identify the country, state, region, city, mobile operator.

Free Android Android Tablet

WhosCall

WhosCall is a reverse Number Search, with a global number database of over 600 million entries. Features: • Instant Caller ID ( identification ) & Blocker •...

Freemium Android iPhone Windows Phone

Should I Answer?

Should I Answer is free mobile security application protecting you against unsolicited, expensive, unwanted or unknown calls.

Freemium Android

Whoeasy

You can use this tool if someone calls you and you aren't familiar with the phone number, or else your caller ID doesn't provide you with the name of the caller....

Commercial Web

Smart Merge

Smart Merge is an app that can merge an duplicate contacts of the same person into one contact instead of 2 or more.

Freemium Android iPhone Android Tablet iPad

Phone.Report

Complete phone number report. Get a phone GPS location heatmap, mobile operator, city, state, comments about any phone number.

Free Web

Call Notes Pro

Call Notes Pro helps you to identify who is calling you. You won’t have to ask yourself “who is it?” anymore.

Commercial Android Android Wear

CallerPy

Truecaller Name Retriever. The simplest method for accessing truecaller's database is through CallerPy's online service.

Free Open Source Linux Web