SpamBlocker AlternativesUnwanted Call Blockers & Anti-Spam Tools like SpamBlocker

SpamBlocker is described as 'Blocks unwanted calls & SMS without replacing your default app. Features regex, contact, STIR, and dialed number filtering, plus time scheduling' and is a unwanted call blocker in the security & privacy category. There are more than 10 alternatives to SpamBlocker for a variety of platforms, including Android, iPhone, Web-based, Android Wear and F-Droid apps. The best SpamBlocker alternative is Yet Another Call Blocker, which is both free and Open Source. Other great apps like SpamBlocker are Filtera, Truecaller, Sereniphone and Silence: Block Unknown Callers.

SpamBlocker iconSpamBlocker
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Blocks unwanted calls & SMS without replacing your default app. Features regex, contact, STIR, and dialed number...

More about SpamBlocker
More about SpamBlocker
SpamBlocker alternatives page was last updated May 16, 2025
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  1. Yet Another Call Blocker icon

    Yet Another Call Blocker

     23 likes
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    A free and open source application that can block unwanted calls or warn about probable intentions of callers using a third-party crowdsourced phone number database (from some other proprietary app).

    19 Yet Another Call Blocker alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • International

    Platforms

    • Android
    • F-Droid
    Yet Another Call Blocker screenshot 1
    Yet Another Call Blocker screenshot 2
    Yet Another Call Blocker screenshot 3
    Discontinued

    The last update is from November 2021.

    Properties

    1.  Privacy focused

    Features

    1.  Works Offline
    2.  Spam Filter

    Yet Another Call Blocker VS SpamBlocker

     

    • Yet Another Call Blocker is the most popular Android alternative to SpamBlocker.

    • Yet Another Call Blocker is the most popular Open Source & free alternative to SpamBlocker.

    • Yet Another Call Blocker is Free and Open SourceSpamBlocker is also Free and Open Source
    • Yet Another Call Blocker is Privacy focusedSpamBlocker is not according to our users
  2. Filtera icon

    Filtera

     2 likes
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    Automatically block 99% spam text messages using on-device AI.

    License model

    Application type

    Country of Origin

    • ID flagIndonesia

    Platforms

    • iPhone
    Filtera screenshot 1
    Filtera screenshot 2
    Filtera screenshot 3

    Filtera Features

    1.  Works Offline
    2.  No registration required
    3.  Ad-free
    4.  Spam Filter
    5.  No Tracking
    6.  Custom rules
    7.  AI-Powered
    8.  Rule based

    Filtera VS SpamBlocker

     

    • Filtera is the most popular iPhone alternative to SpamBlocker.

    • Filtera is the most popular commercial alternative to SpamBlocker.

    • Filtera is Paid and ProprietarySpamBlocker is Free and Open Source
  4. Truecaller icon

    Truecaller

     29 likes
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    Find a person by a name or phone number worldwide for free using Truecaller. Also available on Android, iPhone, Nokia Symbian and Blackberry.

    38 Truecaller alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • SE flagSweden
    • European Union flagEU

    Platforms

    • Online
    • Android
    • iPhone
    • HUAWEI AppGallery
    • Android Wear
    Truecaller screenshot 1
    Truecaller screenshot 2
    Truecaller screenshot 3

    Truecaller Features

    1.  Phone calls
    2.  Spam Filter
    3.  Location Mapping

    Truecaller VS SpamBlocker

     

    • Truecaller is the most popular Web-based alternative to SpamBlocker.

    • Truecaller is Freemium and ProprietarySpamBlocker is Free and Open Source
  5. Sereniphone icon

    Sereniphone

     2 likes
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    Block unwanted calls, spam, fraud, and robocalls effortlessly. Enjoy privacy protection as Sereniphone respects your data, has no ads, and provides customizable caller ID labels. Premium options offer 24/7 updates and unlimited blocking for more convenience.

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • iPhone
    Sereniphone screenshot 1
    Sereniphone screenshot 2
    Sereniphone screenshot 3

    Properties

    1.  Privacy focused

    Features

    1.  Dark Mode
    2.  Spam Filter
    3.  No Tracking
    4.  No registration required
    5.  Ad-free

    Sereniphone VS SpamBlocker

     
  6. Silence: Block Unknown Callers icon

    Silence: Block Unknown Callers

     2 likes
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    Easily block unknown callers.

    License model

    • Free • Open Source

    Application type

    Platforms

    • Android
    • F-Droid
    Silence: Block Unknown Callers screenshot 1
    Silence: Block Unknown Callers screenshot 2
    Silence: Block Unknown Callers screenshot 3
    Discontinued

    The latest version (1.11.6) is from August 2022.

    Silence: Block Unknown Callers VS SpamBlocker

     
  7. Calls Blacklist icon

    Calls Blacklist

     9 likes
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    This application both blocks unwanted calls and SMS, and helps manage a blacklist. Easy and lightweight, it does not consume any of your device's battery power.

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • UA flagUkraine

    Platforms

    • Android
    • Android Tablet
    Calls Blacklist screenshot 1
    Calls Blacklist screenshot 2
    Calls Blacklist screenshot 3

    Calls Blacklist Features

    1.  Pattern matching

    Calls Blacklist VS SpamBlocker

     

    • Calls Blacklist is the most popular Android Tablet alternative to SpamBlocker.

    • Calls Blacklist is Free and ProprietarySpamBlocker is Free and Open Source
  9. NoPhoneSpam icon

    NoPhoneSpam

     2 likes
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    Block calls from annoying or private numbers on your Android device. By bitfire.

    22 NoPhoneSpam alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Android
    • F-Droid

    NoPhoneSpam Features

    1.  Phone calls
    2.  Calls

    NoPhoneSpam VS SpamBlocker

     
  10. Hiya icon

    Hiya

     3 likes
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    Stop missing important calls and wasting precious time answering unwanted ones. Hiya blocks spam and scam calls, and displays caller ID name and call reason on incoming calls.

    23 Hiya alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • iPhone
    • Online
    • Software as a Service (SaaS)
    • Android
    • Apple Watch
    • Android Wear
    Hiya screenshot 1
    Hiya screenshot 2
    Hiya screenshot 3

    Hiya Features

    1.  Phone calls

    Hiya VS SpamBlocker

     

    • Hiya is the most popular SaaS alternative to SpamBlocker.

    • Hiya is Freemium and ProprietarySpamBlocker is Free and Open Source
  11. Should I Answer? icon

    Should I Answer?

     6 likes
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    Should I Answer is free mobile security application protecting you against unsolicited, expensive, unwanted or unknown calls.

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • CZ flagCzechia
    • European Union flagEU

    Platforms

    • Android
    • iPhone
    Should I Answer? screenshot 1
    Should I Answer? screenshot 2
    Should I Answer? screenshot 3

    Should I Answer? Features

    1.  Spam Filter
    2.  Community-based

    Should I Answer? VS SpamBlocker

     
  12. CallApp icon

    CallApp

     2 likes
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    CallApp is a Free Caller ID and Call Blocker app that allows mobile users to block phone calls, identify telemarketing calls, record phone calls, blacklist unwanted callers and much more.

    24 CallApp alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • IL flagIsrael

    Platforms

    • Android
    • Android Wear
    CallApp screenshot 1
    CallApp screenshot 2
    CallApp screenshot 3

    CallApp Features

    1.  Spam Filter
    2.  Call recording

    CallApp VS SpamBlocker

     
  13. Mr. Number icon

    Mr. Number

     4 likes
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    Powerful call & spam blocker and reverse lookup tool.

    14 Mr. Number alternatives

    License model

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Android
    • iPhone
    Mr. Number screenshot 1
    Mr. Number screenshot 2
    Mr. Number screenshot 3

    Mr. Number VS SpamBlocker

     
  14. Nomorobo icon

    Nomorobo

     1 like
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    Nomorobo blocks annoying robocalls, telemarketers, and phone scams.

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Android
    • iPhone
    Nomorobo screenshot 1
    Nomorobo screenshot 2
    Nomorobo screenshot 3

    Properties

    1.  Privacy focused

    Features

    1.  Spam Filter

    Nomorobo VS SpamBlocker

     
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