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508.dev Soundboard

Mix looping ambient sounds, each at its own volume. Offline, free, no ads.
New in version 0.1.3
Bug Fixes:

- update icon
- update icon
Soundboard mixes looping sounds from your own audio files. Play any number of
them at the same time and set each one's volume independently — rain under a
fan under a cafe, at whatever balance you like.

Built for tabletop-gaming ambience and for sleep soundscapes, but it will loop
anything you point it at.

What it does

* Add sounds with the + button. The system file picker accepts a
multi-selection, so a whole folder of ambience lands in one go.
* Play any combination at once. Each row has its own play/pause toggle, and
sounds loop until you stop them.
* Set each sound's volume by tapping its volume pill and dragging around the
dial. The percentage is relative: your device's volume keys still move the
whole mix together, and each sound keeps its balance within it.
* Keeps playing in the background with the screen off. A notification shows how
many sounds are running and offers "Stop all".
* Reorder, rename, and sort the board to taste.

Your files stay yours

Soundboard never copies or moves your audio. It remembers where each file is
and reads it in place, using only the per-file permission you granted when you
picked it. It never asks for broad storage access.

Private by construction

The app requests no INTERNET permission at all, so it cannot phone home even by
accident. No account, no network calls, no telemetry, no ads, no tracking.

Free software

Released under the GNU General Public License v3 by 508.dev, a worker-owned
software co-op. The source is on GitHub — read it, build it, change it.
  • app screenshot
  • app screenshot

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 0.1.3 (1003) suggested Added on Oct 01, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

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

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "mediaPlayback"
      Allows the app to make use of foreground services with the type "mediaPlayback"
    • show notifications
      Allows the app to show notifications
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • dev.co508.soundboard.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 2.1 MiB PGP Signature | Build Log

    • New in version 0.1.2
    Bug Fixes:

    - oops forgot to trigger deploy
    - oops forgot to trigger deploy
  • Version 0.1.2 (1002) - Added on Sep 14, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

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

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "mediaPlayback"
      Allows the app to make use of foreground services with the type "mediaPlayback"
    • show notifications
      Allows the app to show notifications
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • dev.co508.soundboard.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 2.1 MiB PGP Signature | Build Log

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