Root Call Blocker Pro


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Root Call Blocker 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 superuser-enabled call manager.

Unlike other call filters, RCB silently blocks calls and messages at a system level. You need not even know its working and can choose to be notified only if specific numbers are blocked. It doesnt need to be set it as a default messaging app to block SMS. It will not cut current calls when blocking during an ongoing call. Its just better than the rest.

WARNING - Google Play cannot differentiate between lucky-patched and licensed copies of RCB Pro, allowing thieving users to leave comments on Play. We however can tell and will not reply to comments attached to pirated versions. Such users are also blacklisted by the mailer daemon, meaning that they will never receive any support. You have been warned - steal now, and even if you buy later you run the risk of being ignored forever.

Unique features:

• Phone never rings and the screen never turns on
• In-call widgets to ignore/block calls on the fly
• Remotely manage lists with Google Contact Groups
• Block SMS without setting as default messaging app
• Native Tasker plugin
• 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 private with password, dialer code or pattern
• Block area codes or countries using Wildcards


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

Supported languages: English, Español, Português, Français, Italiano, Català, Deutsch, Suomi, Nederlands, Čeština, Svenska, Magyar, Polski, Român, Русский, Türkçe, 简体中文, 繁體字 and more. Some languages are incomplete. If you want to help with a translation, visit to get started.


WARNING - 99% OF "IT STOPPED WORKING" ERRORS ARE CAUSED BY timed out root requests after auto-updates, to use this app together with auto-update in Play, you MUST disable re-authentication or click "remember" in your superuser app.

WARNING: - before communicating an issue always perform a clean install - UNINSTALL, REBOOT, INSTALL FROM PLAY, ENABLE DEBUGGING and test with one number. Keep in mind that rebooting wipes the daemon log making 50% of bug reports useless.

WARNING - multi-sim devices are not fully supported, though most Qualcomm, Mediatek and possibly other chipsets should work. This does not mean everything will work on every phone. It means it MAY work on your phone. As a general rule more expensive will be more compatible. If you need this app and dual sim, contact us before you buy your next phone. Prevention is the cure.

If you need help, use "Send report" in the app's settings, join the community here: or write to

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.

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 "Send report" tool.

LOG DATA only sent with your permission via the "Write to us" menu item in Settings.

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