TUNE — 精密音具

Precision chromatic tuner and metronome with 18 visualization modes. No ads. No subscription. Now with RAMP — automatic tempo progression for practice.

Precision musical instrument.

TUNE is a chromatic tuner, metronome, and reference tone generator — designed with the rigor of a precision instrument. No ads. No subscription. One-time purchase.

— CHROMATIC TUNER High-accuracy pitch detection. Large note display. ±50 cent offset bar. Concert pitch adjustment (A4 = 430–450 Hz). Multiple visualization modes. Haptic feedback when in tune.

— METRONOME 20–300 BPM. Accent pattern editor. 4-level swing. Tap tempo. Multiple visualization modes. Haptic click on every beat — practice without disturbing others.

— RAMP Gradual tempo change for structured speed training. Set start and end BPM, step increment, and hold duration. The metronome adjusts automatically. BPM knob stays live with directional range arc.

— REF TONE Reference tone output for tuning by ear. Any note from C2 to C6. Three waveforms: SINE, STRING, ORGAN. Pair with the tuner for visual + auditory precision.

— BUILT TO LAST Industrial interface. No rounded corners. Monospaced numerals. Dark mode. Landscape support for music stands. Every detail considered. Nothing unnecessary added.