Guitar tuner application for Android and Wear OS with support for custom tunings.
Author: Rohan Khayech
- Listens as you play a string and indicates whether it is in-tune.
- Displays the amount to tune each string up/down to reach the correct pitch.
- Automatic detection of which string is playing.
- Choose from 20+ common guitar, bass and ukulele tunings.
- Save and tune to custom tunings with any combination of strings.
- Tune anything to any note with chromatic tuning mode.
- Display tuning offset in semitones or cents for improved accuracy.
- Plays sounds to indicate how a string should sound and when it is in tune.
- Keep track of your favourite tunings.
- Set a tuning to open automatically when the app starts, or keep the last used tuning.
- Support for dark mode, true dark and device colour themes.
- Support for multi-window and large screen devices.
- Tune your instrument right from your wrist with full Wear OS support.
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Choona is available for:
- Android devices running Android 7.0 Nougat and above.
- Wear OS devices running Android 9.0 Pie and above.
The best way to install Choona is via the Google Play Store:
Google Play and the Google Play logo are trademarks of Google LLC.
Choona can also be downloaded and installed directly:
- Find the latest release here.
- Download the
.apkfile onto your Android device. - Open the downloaded file and follow the prompts to install the app.
Depending on your device, you may have to enable installing apps from unknown sources for your device or browser app in your phone's settings.
Choona is also available on various F-Droid clients via the IzzyOnDroid repository:
The 3D Android in the IzzyOnDroid logo is licensed to the public domain. The background of the IzzyOnDroid logo is a registered trademark by IzzySoft.
Note
If downloading the app from other sources than Google Play or the latest release here on GitHub, it is recommended to verify it before installation. This ensures the downloaded app is an official copy of Choona.
Copyright © 2026 Rohan Khayech
Choona is licensed under the GNU General Public License v3.0. See LICENSE for the full license terms.
See NOTICES to view the list of notices for the third-party software used or included in this application.