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Tuner

Musical instrument pitch tuning
Accordion tuner with scope, spectrum and strobe. Can show up to eight different
notes or reeds concurrently.

Hold the phone/tablet near the instrument, play a note and observe the display.
In portrait the app shows a scope with the input signal, a spectrum showing the
processed signal, the main display with the note value, cents error, frequency
error etc, a strobe display and a meter display showing the cents error. In
landscape the app shows just the main display and the meter. There is a signal
indicator in the action bar which is useful in landscape mode.

Packages

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 1.38 (138) suggested Added on 2021-01-01

    This version requires Android 4.0 or newer.

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

    Permissions
    • record audio
      This app can record audio using the microphone at any time.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.

    Download APK 214 KiB PGP Signature | Build Log

  • Version 1.37 (137) - Added on 2020-07-10

    This version requires Android 4.0 or newer.

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

    Permissions
    • record audio
      This app can record audio using the microphone at any time.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.

    Download APK 241 KiB PGP Signature | Build Log

  • Version 1.36 (136) - Added on 2020-05-09

    This version requires Android 4.0 or newer.

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

    Permissions
    • record audio
      This app can record audio using the microphone at any time.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.

    Download APK 238 KiB PGP Signature | Build Log