Call Defender

    Call Defender icon

    Call Defender

    by: 75.3K 9

    9 Users



    Call Defender ( aka Studio Kuma Call Filter ) is a FREE spam call blocking app that can protect you against annoying spam calls, helping millions of users. Just turn ON "Spam Number Block" when you need to avoid them and enjoy spam free life!

    Call Defender provides the simplest way to block unwanted calls and protect your privacy with ease. Call defender also lets you know Caller Identification using our comprehensive global database with over 600 million numbers.

    PLUS! With all new Point System, you use get Call Defender Pro for FREE.

    Block unwanted spam calls automatically
    Find out Caller ID from unknown phone numbers
    Use Pro version for FREE with Point System
    Advanced settings for advanced users
    Search spam number database
    Get Daily Call Report for any blocked / missed calls
    Do not be disturbed by any calls using Quiet Mode

    If you have any questions, please feel free to contact us via [Menu > About > Contact us] or mail (

    • To make sure Call Defender works properly, please load the app at least once after installation.
    • If you are using optimization software, make sure to put Call Defender as trusted app.
    • From Android OS 4.4 or above, SMS cannot be blocked due to system limitation.
    • Network connection is required for database download or caller ID feature
    • Devices using unofficial Android framewwork may have compatibility issues.

    Tags: studiokuma call filter , 小熊來電 , 小熊來電通知 , 小態來電通知 , 小態來電 , studiokuma , studiokumacallfilter , phone filter , hk call filter

    Users review

    from 75.283 reviews



    Users comments

    CREEPER gamer160

    by CREEPER gamer160

    Jul 19, 2017  |  "Great"


    Tom Choi

    by Tom Choi

    Jul 17, 2017  |  "Great"

    Good apps

    Patty Woo

    by Patty Woo

    Jul 13, 2017  |  "Awesome"

    I regret that I paid for annual subscription. It didn't block any junk calls lately. Even calls with private number could get through. Very annoying!

    Kenneth Leung

    by Kenneth Leung

    Jul 12, 2017  |  "Great"

    Used to work well on LG V20. Recently stopped working.

    Kelly Huang

    by Kelly Huang

    Jul 11, 2017  |  "Awesome"

    I will never delete this app


    by 小瓏女

    Jul 10, 2017  |  "Great"

    Not bad