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Fourth Tools

Useful tools app
New in version 3.4.1
- Fix serious problems.

Full changelog (commits list) of this update is available at GitLab!
100% FOSS!

Currently available tools:

* Calculator
* Timer (Stopwatch)
* Temporary file hosting

Dark mode is fully supported!

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.

Download F-Droid
  • Version 3.4.1 (341) suggested Added on 2022-10-26

    This version requires Android 5.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.leestarb.fourthtools.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7.5 MiB PGP Signature | Build Log

  • Version 3.3.1 (331) - Added on 2022-10-15

    This version requires Android 5.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.leestarb.fourthtools.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7 MiB PGP Signature | Build Log

  • Version 3.3.0 (330) - Added on 2022-10-13

    This version requires Android 5.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.leestarb.fourthtools.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7 MiB PGP Signature | Build Log