Ethic Tuner

Private, offline chromatic tuner.

Ethic Tuner is a fast, accurate, and private chromatic acoustic tuner for Android.

Key features:
• Real-time chromatic pitch detection and instrument presets for strings, piano, woodwinds, and brass.
• English and Latin note naming conventions with customizable A4 reference calibration (424 to 456 Hz).
• High-precision visual tuning dial with an in-tune target indicator and pitch-lock history.
• Optional haptic vibration and acoustic confirmation tone when a note is accurately tuned.
• Built-in device noise suppression toggle for noisy practice environments.
• Adaptive light and dark themes designed for both portrait and landscape orientation.

Zero Data Collection & Complete Privacy:
• Microphone audio samples are analyzed purely in-memory and discarded immediately.
• No audio recordings, no sound files saved, and no server communication.
• 100% offline: zero analytics, zero trackers, and zero network permissions.
• Free and Open Source Software distributed under the GNU General Public License v3 or later (GPLv3+).