Radio Silence AlternativesFirewalls & Network Monitors like Radio Silence

Radio Silence is described as 'Lets you block individual apps from accessing the internet. It never throws pop-ups on the screen, and is completely invisible' and is a Firewall in the network & admin category. There are more than 10 alternatives to Radio Silence for a variety of platforms, including Mac, Windows, Android, Android Tablet and F-Droid apps. The best Radio Silence alternative is GlassWire, which is free. Other great apps like Radio Silence are Little Snitch, LuLu by Objective-See, NetGuard and OpenSnitch.

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Radio Silence lets you block individual apps from accessing the internet. It never throws pop-ups on the screen, and is...

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Radio Silence alternatives page was last updated Jun 8, 2025
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  1. GlassWire icon
     144 likes
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    Visualize network activity in detail, get notified when new apps access the network, look out for malware, and block badly behaving apps.

    64 GlassWire alternatives

    License model

    • FreemiumProprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    • Android
    • Android Tablet

    Properties

    1.  Intuitive Interface

    Features

    1.  Network activity
    2.  Block apps
    3.  Built-in Firewall
    4.  Graphical component
    5.  Graphs
    6.  Traffic Monitoring
    7.  Push subscriptions
    8.  Network Tools

    GlassWire VS Radio Silence

     
    • GlassWire is the most popular Windows, Android & Android Tablet alternative to Radio Silence.

    • GlassWire is the most popular free alternative to Radio Silence.

    • GlassWire is Freemium and ProprietaryRadio Silence is Paid and Proprietary
  2. Little Snitch icon
     134 likes
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    A firewall protects your computer against unwanted guests from the Internet. But who protects your private data from being sent out? Little Snitch does!

    39 Little Snitch alternatives

    License model

    Application types

    Country of Origin

    • AT flagAustria
    • European Union flagEU

    Platforms

    • Mac

    Properties

    1.  Privacy focused

    Features

    1.  Ad-free
    2.  No registration required
    3.  Rule based
    4.  Traffic Monitoring
    5.  Traffic Analysis
    6.  Custom rules
    7.  Application Firewall
    8.  Usage statistics
    9.  Real-time traffic

    Little Snitch VS Radio Silence

     
    • Most users think Little Snitch is a great Radio Silence alternative.

    • Little Snitch is the most popular Mac alternative to Radio Silence.

    • Little Snitch is the most popular commercial alternative to Radio Silence.

    • Little Snitch is Paid and ProprietaryRadio Silence is also Paid and Proprietary
    • Little Snitch is Privacy focusedRadio Silence is not according to our users
  3. Copy a direct link to this comment to your clipboard

    LuLu is the free, shared-source macOS firewall that aims to block unknown outgoing connections unless explicitly approved by the user.

    14 LuLu by Objective-See alternatives

    License model

    • FreeOpen Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac

    LuLu by Objective-See Features

    1.  Outbound firewall
    2.  Low resource footprint
    3.  Source code history

    LuLu by Objective-See VS Radio Silence

     
    • LuLu by Objective-See is the most popular Open Source alternative to Radio Silence.

    • LuLu by Objective-See is Free and Open SourceRadio Silence is Paid and Proprietary
  4. NetGuard icon
     34 likes
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    NetGuard provides simple and advanced ways to block access to the internet - no root required.

    36 NetGuard alternatives

    License model

    • FreemiumOpen Source

    Application types

    Country of Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Android
    • Android Tablet
    • F-Droid

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  No Root Required
    2.  Website blocking
    3.  Dark Mode
    4.  No registration required
    5.  No Tracking
    6.  Ad-free

    NetGuard VS Radio Silence

     
  5. OpenSnitch icon
     37 likes
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    OpenSnitch is a GNU/Linux application firewall.

    33 OpenSnitch alternatives

    License model

    • FreeOpen Source

    Application types

    Country of Origin

    • IT flagItaly
    • European Union flagEU

    Platforms

    • Linux

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Application Firewall
    2.  Firewall
    3.  Network Filtering
    4.  Ad-free
    5.  No registration required
    6.  Block Trackers
    7.  No Tracking

    OpenSnitch VS Radio Silence

     
    • OpenSnitch is the most popular Linux alternative to Radio Silence.

    • OpenSnitch is Free and Open SourceRadio Silence is Paid and Proprietary
    • OpenSnitch is Lightweight and Privacy focusedRadio Silence is not according to our users
  6. Tiny Shield icon
     3 likes
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    Tiny Shield keeps your network safe by watching all connections and stopping bad stuff before it can harm your computer. Tiny Shield keeps an eye on everything your Mac connects to, making sure you can see all your internet activity in one place.

    14 Tiny Shield alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac

    Properties

    1.  Lightweight
    2.  Security-focused

    Features

    1.  Ad-free
    2.  No registration required
    3.  Outbound firewall
    4.  Website blocking
    5.  Traffic Monitoring
    6.  Block apps

    Tiny Shield VS Radio Silence

     
  7. Copy a direct link to this comment to your clipboard

    As soon as you’re connected to the Internet, your apps can send whatever they want to wherever they want, unnoticed by you, because all of this happens invisibly under the hood.

    39 Little Snitch Mini alternatives

    License model

    • FreemiumProprietary

    Application type

    Country of Origin

    • AT flagAustria
    • European Union flagEU

    Platforms

    • Mac

    Little Snitch Mini Features

    1.  Network Filtering
    2.  Traffic Monitoring
    3.  Application Firewall

    Little Snitch Mini VS Radio Silence

     
  8. Copy a direct link to this comment to your clipboard

    Karma Firewall app lets you take control back of your phone and block internet traffic to and from specific apps. This is a simple yet powerful firewall with an easy to use intuitive GUI which allows you to protect your sensitive data.

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Android
    • F-Droid

    Properties

    1.  Lightweight

    Features

    1.  Ad-free
    2.  No registration required
    3.  Dark Mode
    4.  Block Trackers
    5.  No Logs
    6.  No Tracking

    Karma Firewall VS Radio Silence

     
  9. Copy a direct link to this comment to your clipboard

    ZoneAlarm Free Firewall blocks hackers from infiltrating your home PC by hiding your computer from unsolicited network traffic. By detecting and preventing intrusions, ZoneAlarm Free Firewall keeps your PC free from viruses that slow down performance, and spyware that steals...

    35 ZoneAlarm Firewall alternatives

    License model

    • FreemiumProprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows

    ZoneAlarm Firewall VS Radio Silence

     
  10. SpyShelter icon
     6 likes
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    SpyShelter is an effective and easy-to-use security application that helps you to protect your system against known and unknown malware.

    License model

    Country of Origin

    • PL flagPoland
    • European Union flagEU

    Platforms

    • Windows

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Block Trackers
    2.  Portable
    3.  No Logs
    4.  No Tracking
    5.  Ad-free
    6.  Dark Mode
    7.  Works Offline
    8.  Malware Analysis
    9.  No registration required
    10.  Webcam/Sound/Screen Protection

    SpyShelter VS Radio Silence

     
  11. Copy a direct link to this comment to your clipboard

    appNetworkCounter is a simple tool for Windows that counts and displays the number of TCP/UDP bytes and packets sent and received by every application on your system.

    License model

    • FreeProprietary

    Application type

    Country of Origin

    • IL flagIsrael

    Platforms

    • Windows

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  No registration required
    2.  Ad-free
    3.  Email Notifications

    AppNetworkCounter VS Radio Silence

     
  12. TripMode icon
     10 likes
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    Outbound firewall for apps, blocking apps from accessing internet. Useful for reducing data usage when tethering to mobile data, or on a slower wifi connection.

    8 TripMode alternatives

    License model

    Application types

    Country of Origin

    • CH flagSwitzerland

    Platforms

    • Mac
    • Windows

    Properties

    1.  Lightweight

    Features

    1.  Ad-free

    TripMode VS Radio Silence

     
12 of 17 Radio Silence alternatives