Unwanted Call Blockers

A free and open source application that can block unwanted calls or warn about probable intentions of callers using a third-party crowdsourced phone number database (from some other proprietary app).

Saracroche: The simple and effective solution to stop unwanted calls! A simple interface that's ideal for peace of mind. Just activate it... and that's it, you can forget about it. The app automatically blocks unwanted numbers without any complex configuration. No data is shared.

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

A lightweight app for handling your calls, no matter where are you. Comes with a handy call log for easy call initiation.

Effortlessly block unwanted calls, spam, fraud, and robo callers with this easy-to-use app that requires no access to personal data and has no ads.

Easily block unknown callers.

Improve your calling experience and gain control over calls with features like spam protection, caller ID and call blocking.

Block calls from annoying or private numbers on your Android device. By bitfire.

Stop missing important calls and wasting precious time answering unwanted ones. Hiya blocks spam and scam calls, and displays caller ID name and call reason on incoming calls.

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

CallApp is a Free Caller ID and Call Blocker app that allows mobile users to block phone calls, identify telemarketing calls, record phone calls, blacklist unwanted callers and much more.

Powerful call & spam blocker and reverse lookup tool.

WhosCall is a reverse Number Search, with a global number database of over 600 million entries.

Nomorobo blocks annoying robocalls, telemarketers, and phone scams.

📞 Caller ID and fraud prevention solutions that make you smile. 27 countries covered, from 7 realtime data sources.

ME is the perfect and ultimate caller id and spam protection app your phone must have.

An effective way to fight spam and protect yourself! Get spam alerts and automatically block spam calls & texts based on our database of hundred millions analyzed phone numbers.

MaskOff is an application for iOS and Android that unmasks No Caller ID calls and reveals the number of the blocked, unknown, or private number.

Unknownphone.com brings you the complete app to avoid phone scams, unwanted calls and extra charges in your bill. With more than 100.000 telephone numbers registered and identified and a community with millions of users in the United States and around the world, Unknownphone.

Begone is a productivity app for iOS. It lets you block individual numbers or number ranges quickly and effortlessly. It can also act as a private directory for people or companies that you don’t want to add to your contacts but want to identify when called by.

Block unwanted calls and block text messages spam on android phones from annoying people, spam callers, telemarketers, marketing agencies, bill reminders, ...

We're taking action to put a global stop to unauthorized calls. Every year, we block at least three billion unauthorized calls or fraud attempts. Your feedback allows us to offer more effective protection to you and millions of other Getcontact users.