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Tuner

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

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 or staff display and a
meter display showing the cents error. In landscape the app shows just
the main display or staff and the meter. There is a signal indicator
in the action bar which is useful in landscape mode.

* 32 temperaments including Equal, Just, Pythagorean, Meantone
* Filter options, including low pass, fundamental, note and octave filter
* Optional strobe or musical staff display
* Custom temperaments option
* Transposition option
* Solfège (DoRéMi) option

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 1.42 (142) suggested Added on 2021-09-17

    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 210 KiB PGP Signature | Build Log

  • Version 1.41 (141) - Added on 2021-08-05

    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 210 KiB PGP Signature | Build Log

  • Version 1.40 (140) - Added on 2021-07-07

    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 210 KiB PGP Signature | Build Log