Root Call Blocker

Root Call Blocker

100,000 - 500,000 downloads

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Root Call Blocker 2 is a powerful call, SMS and MMS blocker for root users. Stop bill collectors and text message spammers 100% of the time with our unique root-enabled call manager. Now with better everything!

Unlike other call filters, Root Call Blocker silently blocks calls at a system level. You need not even know its working and can choose to be notified only if specific numbers are blocked.

Supported languages: English, Español, Português, Français, Italiano, Català, Deutsch, Suomi, Nederlands, Svenska, Magyar, Polski, Român, Русский, Türkçe, 简体中文, 繁體字.

Other languages are incomplete. If you want to help with a translation, visit to get started.

Unique features:

• Your phone never rings and the screen never turns on
• In call widgets allow you to ignore/block calls on the fly
• Customize notifications with vibration, ringtone and LED colors


• Completely ignore spam calls and messages
• Import large lists of numbers from files, including CSV
• Block MMS and numbers containing letters
• Reject unknown, withheld, private and restricted numbers
• Keep blocked calls and messages hidden with password, dialer and pattern
• Block area codes or countries


• Native Tasker plugin
• Silent/hidden operating mode
• Cloud backup to Google Drive and Dropbox
• Google Groups integration
• SMS auto-replies
• Encrypted backups

Trial restriction:

• No more than 5 items per list


WARNING - app generally only supports devices commonly available in the West. We will ignore requests for compatibility with random knockoffs and no name provider phones.

WARNING - multi-sim devices are not officially supported and never will be.

If you need help, use "Write to us" in the app's settings or visit the website:

This app does not control your voicemail service. If your blocked calls are being sent to voice mail, try another blocking method or use Google Voice. You can simulate a disconnected message by forwarding busy calls to a number that doesn't exist.

Don't believe the hype about Extreme Call Blocker or Mr Number or DroidWall those apps are not the only ones that work on Jelly Bean - RCB functions on any Android version 2.3 and up, is much faster and 100% silent.

OUTGOING CALL permissions are needed for hidden mode, using the dialer to enter a password.

ACCOUNTS are needed for Google Contact Groups.

SEND SMS needed for auto replies and SMS routing.

INTERNET ACCESS is for licensing and the "Write to us" feedback tool.

LOG DATA is only sent with your permission via the "Write to us" menu item in Settings. You do not have to send anything if you don't want to.

Keywords: call block, call manager, sms block, mms block, call security, shady conversations, shady sms, private sms, private calls, privacy manager, private call control, call confirm

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Recently changed in this version

If you experience an issue or need advice, let us know via and we will help. You can get beta updates and discuss the app at the G+ community here:

• Fixed locale/ language issue reported on Crowdin
• Fixed ringtone selection on some devices
• Fixed auto-complete in create contact menu

• Added Tasker integration via native plugin
• Fixed a schedules bug introduced in the last release

Comments and ratings for Root Call Blocker
  • (61 stars)

    by Stephen Cooke on 14/04/2014

    The best for kitkat. Cheers!

  • (61 stars)

    by Shivarjun Kori on 14/04/2014

    Good app

  • (61 stars)

    by David Prioriello on 13/04/2014

    you can tell a lot of thought was put into this app. I use it to call forward all except whitelist.

  • (61 stars)

    by Az Am on 03/04/2014

    Best app ever but can u add option to get custom notification when reviving text or call thanks

  • (61 stars)

    by Smeg Stain on 01/04/2014

    I've tried just about everything these devs have made. All apps are of the highest quality. This is their best Call Manager. I use it to send to VM mostly as it has the advantage of completely muting incoming calls. Great to use too, very modern interface

  • (61 stars)

    by David B. on 31/03/2014

    Combine this baby with Google Voice and you get a very good fake "this number is no longer in service" message on the other end. Very convincing since it can be set to send the call right to voicemail and voicemail will reply with that message. Of course

  • (61 stars)

    by Himanshu Pandey on 26/03/2014

    I wish to give a big zero to this crap app. Its not even blocking calls in my rooted phone.