Extreme Call Blocker is a paid app for Android that belongs to the category Tools, and has been developed by GreyThinker.
More about Extreme Call Blocker
This app is best known for the following features and qualities: call blocker, blocking unwanted calls, user friendly.
People say all apps should give product support like this, i've downloaded almost every free call /sms block, app should block calls without even a single ring.
If you like Extreme Call Blocker you'll also enjoy: aFirewall call and sms blocker, CallApp - Caller ID & Block, Call Blocker Free - Blacklist, Calls Blacklist PRO, Call and SMS Easy Blocker, Mr. Number-Block calls & spam.