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Salmon

An open-source guitar tuner that just works

A fast, offline-first, open-source guitar tuner for Android.
Most tuner apps today have evolved into subscription platforms,
requiring internet connectivity, accounts, advertisements, or
cloud services for functionality that should work entirely on-device.


Features


  • Useful UI

  • Real-time microphone input

  • Pitch detection

  • Note detection

  • Cents offset visualization

  • Guitar tuning mode (E2 A D G B E4)

  • Offline operation

  • 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 1.4 (14) suggested Added on Sep 03, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 7.0 or newer.

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

    Permissions
    • record audio
      This app can record audio using the microphone while the app is in use.
    • net.dege.salmon.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7.8 MiB PGP Signature | Build Log

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