Tuner

App for tuning musical instruments.
AppID:de.moekadu.tuner
Author:Michael Moessner
License:GPL-3.0-or-later
Donation:
InRepoSince:2021-05-02
LastRepoUpdate:2025-08-02
LastAppUpdate:Unknown
LastVersion:8.2.0
Categories:Music Practice Tool, Science & Education
APK source:
Google Play:Check if it's there
icon Tuner app for tuning musical instruments with features like:
* Detect pitch based on autocorrelation and FFT spectrum.
* Accuracy improvement by evaluating the spectrum phase information and polynomial fitting.
* Show how pitch changes over time.
* Basic instrument database (chromatic, guitar, bass, violin, ...)
* Support for custom instruments
* Several temperaments like equal, just, Werckmeister, Kirnberger, ...
* Non-12-tone temperaments (EDO 17, 19, ..., 41, 53)
* Scientific settings like FFT window size, FFT window type, overlap and more.

WhatsNew:

v8.2.0:
- Slightly different tuning strategy when signal stays very similar.
- Option to detect the reference frequency in the reference note dialog.

Download Source Issues ChangeLog
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While you can download the APKs here directly, you should preferably use an F-Droid client so the app stays up-to-date on your device.

Packages

Version 8.2.0 (2025-08-02) no RB details available help icon

Android Versions:
  • Target: 16.0
  • MinVer: 6.0
  • ABIs: arm64-v8a, armeabi-v7a, x86, x86_64

Download (3.2 M)

Version 8.1.0 (2025-07-21) no RB details available help icon

Version 8.0.0 (2025-06-02) no RB details available help icon