Let's Bend: Harmonica Tuner
- Edge-to-edge ready for Android 15+: enabled EdgeToEdge for proper inset handling on newer and older Android versions.
- Updated Material Components to avoid deprecated status/navigation bar color APIs on Android 15.
- Favorites enhancements:
• Favorites bar sits at the bottom-right next to the toggle and stacks vertically.
• Bottom-most favorite aligns with the toggle button for a cleaner layout.
• The action button is always visible: shows “Save as favorite” or “De
The application is completely free, ad-free, and can be used without registration. Sounds are captured via the MediaRecorder library as a continuous data stream, analyzed using advanced pitch detection algorithms, and displayed in real-time.
All common keys and special tunings of your blues harps are supported and can be easily configured via the settings menu.
Features:
• Fast and accurate musical note detection
• Multiple pitch detection algorithms (YIN, MPM, and HYBRID)
• Support for all common harmonica keys and tunings
• Adjustable concert pitch settings
• Visualization of blow bends, draw bends, over blows, and over draws
• Customizable confidence settings for pitch detection
Technical Details (for developers):
• Open-source project available on GitHub
• Built using Model-View-Controller (MVC) architecture
• Developed with Gradle build system
• Requires Android 9 (API 28) or higher
• Uses Dagger for dependency injection
• Implements SLF4J for logging
• Optimized for privacy (no data collection or storage)
• Part of a multi-platform project that includes desktop (macOS, Linux, Windows) and web versions
The app is also available for desktop platforms and as a web application at https://letsbend.de
Enjoy and Let's Bend!
- Author: egdels
- License: MIT License
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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-
This version requires Android 9.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 5.2 MiB PGP Signature | Build Log
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This version requires Android 9.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 4.9 MiB PGP Signature | Build Log
-
This version requires Android 9.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 4.9 MiB PGP Signature | Build Log