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Bematist

Matches your local music's BPM to your running cadence in real time
Bematist matches the music it plays to your running cadence. It reads your steps per minute from your phone's motion sensors and picks tracks whose tempo fits the pace you're actually running, switching automatically as your pace changes. Half- and double-tempo tracks count as a match too, so a 172 BPM track suits an 86 SPM pace and vice versa.

Every track is analysed for tempo on-device, directly from the audio files in your library, so matching works entirely offline once your library is scanned — no account, no network, no server.

Triage mode lets you rate tracks while you run — skip, keep or like, by an on-screen gesture or an earbud button — and sorts them into playlists afterward. Every run is logged with its cadence and track-matching detail, browsable afterward in session history.

Bematist collects nothing and has no servers. It plays music from files already on your device.

Free and open source, GPLv3 licensed.

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 1.0.6 (211) suggested Added on Oct 15, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 13 or newer.

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

    Permissions
    • recognize physical activity
      This app can recognize your physical activity.
    • 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 "health"
      Allows the app to make use of foreground services with the type "health"
    • run foreground service with the type "mediaPlayback"
      Allows the app to make use of foreground services with the type "mediaPlayback"
    • run foreground service with the type "specialUse"
      Allows the app to make use of foreground services with the type "specialUse"
    • show notifications
      Allows the app to show notifications
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • app.bematist.public.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 5 MiB PGP Signature | Build Log

  • Version 1.0.5 (200) - Added on Oct 08, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 13 or newer.

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

    Permissions
    • recognize physical activity
      This app can recognize your physical activity.
    • 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 "health"
      Allows the app to make use of foreground services with the type "health"
    • run foreground service with the type "mediaPlayback"
      Allows the app to make use of foreground services with the type "mediaPlayback"
    • run foreground service with the type "specialUse"
      Allows the app to make use of foreground services with the type "specialUse"
    • show notifications
      Allows the app to show notifications
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • app.bematist.public.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 4.5 MiB PGP Signature | Build Log