Ethic 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+).