Root Call Blocker

Root Call Blocker

100,000 - 500,000 downloads

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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. Now with Lollipop support!

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, Čeština, 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 restrictions:

• No more than 5 items per list


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 in your superuser app.

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 oficially supported, though after version newer Qualcomm 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. Stay away from Chinese devices, especially OEMs, they are likely to have custom RILs that we will never support. If you need this app and dual sim, contact us before you buy your next phone.

If you need help, use "Write to us" 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 "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.

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Recently changed in this version

• Update to Google Billing Service
• Fixes
• Updated int

• Workaround for current SuperSU
• Added ability to disable exceptions
• Update to Google Billing Service
• Fixes
• Updated internal libraries

Remember to disable re-authentication in Superuser to avoid losing root after auto-updates!

Need advice? Write through the app, we will help. You can get beta updates and discuss the app at the G+ community here:

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

    by Matt Jones on 13/11/2014

    Says my phone isn't rooted. Useless.

  • (38 stars)

    by Mark edwar on 10/11/2014

    Say my phone isn't rooted in the most recent update

  • (38 stars)

    by Bogdan SBG on 01/11/2014

    Unfortunately the app doesn't work with Dualsim phones. Better use the core blocking system than this. Can't call this professional because they didn't think about the 25% of the market who uses dualsim phones. Thanks.

  • (38 stars)

    by Mohamed Abbe on 26/10/2014

    I loved it so much

  • (38 stars)

    by Chottu Vnr on 25/10/2014


  • (38 stars)

    by Anton Weiss on 21/10/2014

    Unless it's from people you don't ever want to hear from. One of the best apps I've bought, it blocks them every time and the features are excellent; widget is very useful too. Good work dev, thanks!

  • (38 stars)

    by Raul Tiosayco, Jr. on 19/10/2014

    Newest update is buggy. In have to re-launch the app everytime I reboot my phone. LG G3