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Quad9 Connect

Android application for Quad9 recursive DNS cybersecurity and privacy services
New in version 1.2.0
- Security patch: fixed potential security issue with hostname verification
Quad9 Connect is an Android and ChromeOS app that sends your DNS queries to Quad9's secure, private, open recursive DNS service.

Quad9 Connect adds additional functionality and features compared to using Android's Private DNS feature to utilize encrypted DNS or configured Quad9 in Chrome on ChromeOS.

The application creates a split VPN tunnel with Android API "VpnService" to configure an alternate DNS server on Android and ChromeOS.

## Features
- DNS over TLS or DNS over UDP
- DNS Query Log
- Trusted Networks
- Blocked Query Notifications
- Local Domains
- Excluded Applications

Anti-Features

This app has features you may not like. Learn more!

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

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  • Version 1.2.0 (105) suggested Added on Aug 29, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 6.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • expand/collapse status bar
      Allows the app to expand or collapse the status bar.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "systemExempted"
      Allows the app to make use of foreground services with the type "systemExempted"
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • show notifications
      Allows the app to show notifications
    • query all packages
      Allows an app to see all installed packages.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • com.quad9.aegis.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 15 MiB PGP Signature | Build Log

  • Version 1.1.0 (104) - Added on Apr 13, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 6.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • expand/collapse status bar
      Allows the app to expand or collapse the status bar.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "systemExempted"
      Allows the app to make use of foreground services with the type "systemExempted"
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • show notifications
      Allows the app to show notifications
    • query all packages
      Allows an app to see all installed packages.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • com.quad9.aegis.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 15 MiB PGP Signature | Build Log

  • Version 1.0.0 (103) - Added on Mar 28, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 6.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • expand/collapse status bar
      Allows the app to expand or collapse the status bar.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "systemExempted"
      Allows the app to make use of foreground services with the type "systemExempted"
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • show notifications
      Allows the app to show notifications
    • query all packages
      Allows an app to see all installed packages.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • com.quad9.aegis.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 15 MiB PGP Signature | Build Log

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