A440 Tuner by Ownly

A440 Tuner by Ownly is a precise chromatic tuner and pitch reference designed for musicians, students, and teachers. It delivers fast, accurate pitch detection with clear visual feedback, making instrument tuning simple on stage, in the studio, or in the practice room. With an A4=440 Hz standard and adjustable concert pitch, it supports a wide range of tuning needs. Ideal for guitar, violin, ukulele, bass, winds, and vocals, it also doubles as a tone generator for ear training and intonation practice. Core features include high-accuracy chromatic tuning with cent readout, a responsive needle display, instrument presets and alternate tunings, adjustable A4 reference, and a clean interface optimized for quick tuning. Keywords: tuner app, chromatic tuner, A440 tuner, instrument tuner, pitch detection, tone generator, music education.