Let's Bend: Harmonica Tuner
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
- Website
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- Issue Tracker
- Source Code
- Build Metadata
- Reproducibility Status
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 by F-Droid and guaranteed to correspond to this source tarball.
Download APK 4.9 MiB PGP Signature | Build Log
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This version requires Android 9.0 or newer.
It is built by F-Droid 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 by F-Droid and guaranteed to correspond to this source tarball.
Download APK 4.5 MiB PGP Signature | Build Log