Apps with 'Reverse phone lookup' feature

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

Ignorant allows you to check if a phone number is used on different sites like Snapchat, Instagram.

Sync.ME is the premier social caller id and contact management app, allowing you to identify the name and photo of nearly every caller and even link to their social network profile.

TrapCall is an application for the purpose of getting the caller IDs and unmasking the blocked calls. It is a way for getting the identity of those numbers that always shown as private numbers or unknown.

ZabaSearch is the world's leading people search engine. Find people you know by name, location, email or tag.

Identified Caller is a phone number search engine that organizes public records information to help you safely find phone number owner name and address.

CallerAPI is an advanced phone identification and validation service that provides a robust caller ID API. It offers real-time caller identification, allowing businesses and developers to enhance their applications with accurate and comprehensive phone number information.

[NOTE: It is NOT FREE as they advertise! Read the comments on WOT for further informations: http://www.mywot.com/en/scorecard/freephonetracer.com]

Oat - Offender Address Trace is your trusted companion when it comes to searching for addresses and phone numbers to gather crucial details.

SmartCallMonitor automatically matches caller data with existing Outlook contacts and displays them. With log file for incoming calls, detailed view and reverse lookup in online services.

Give users a free tool to easily find people using the information you know about them.

You are searching for details for the phonenumber, that called you? Tellows may help you with this. Look at the comments by other users and write comments yourself.

US-only search tool offering identity records access including eviction and criminal history through transparent, subscription-free pricing.