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Reverb

Rolling audio recorder for Android
New in version 0.1.2
Add lossless FLAC output compression and silence skipping, with tap or hold calibration.
Add Quick Save tiles and notification saving with duration controls.
Improve onboarding and grouped Settings and Library controls.
Fix repeated error feedback, consecutive deletion and Undo, playback, and tile handoffs.
Reduce redundant audio, storage, and UI work.
Reverb lets you capture audio, keep a rolling history and save the parts you need.

Capture

  • Independent One-shot and Looping buffers

  • Disk-backed audio history that restores across app restarts

  • Configurable retention limits by time or size

  • Hardware-aware audio format, sample rate, source, route and channel options



Save and listen

  • Select a range on the waveform and export it as WAV

  • Listen while fine-tuning your selection

  • Play saved recordings directly in the Library

  • Trim into a new recording while preserving the original

  • Rename, move and delete saved recordings



Privacy
No ads, trackers or accounts. Reverb does not request network permission.

Battery use
Continuous microphone capture consumes power even though Reverb reduces work
when its capture screen is not visible. Battery use varies by device and
recording settings.

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 0.1.2 (4) suggested Added on Oct 25, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 9.0 or newer.

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

    Permissions
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • run foreground service with the type "microphone"
      Allows the app to make use of foreground services with the type "microphone"
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • read audio files from shared storage
      Allows the app to read audio files from your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • app.smallthingz.reverb.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 3.2 MiB PGP Signature | Build Log

  • New in version 0.1.2-rc1
    Prerelease 0.1.2-rc1.
    Faster large-history startup and recording discovery.
    Fixed idle Quick Settings refresh loops.
    Improved export, provider, and interrupted-recording reliability.
    Refined playback, navigation, and launcher/splash branding.
  • Version 0.1.2-rc1 (3) - Added on Oct 03, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 9.0 or newer.

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

    Permissions
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • run foreground service with the type "microphone"
      Allows the app to make use of foreground services with the type "microphone"
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • read audio files from shared storage
      Allows the app to read audio files from your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • app.smallthingz.reverb.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 2.9 MiB PGP Signature | Build Log

  • New in version 0.1.1
    Preserves recordings, buffer data and legacy settings when upgrading from 0.1.0.
    Fixes MediaStore exports and migration, and improves recording interruption history.
    Refines inline playback, trim seeking, predictive Back and buffer selection.
    Restores the Library Back button and hardens Quick Settings, service handoffs and storage recovery.
  • Version 0.1.1 (2) - Added on Sep 27, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 9.0 or newer.

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

    Permissions
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • run foreground service with the type "microphone"
      Allows the app to make use of foreground services with the type "microphone"
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • read audio files from shared storage
      Allows the app to read audio files from your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • app.smallthingz.reverb.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 2.9 MiB PGP Signature | Build Log