Tuner Universal — Precise Tuning for Every Instrument Tune with clear, responsive pitch detection, whether you’re practicing at home, rehearsing, or getting ready to perform. Choose an instrument profile for its tuning range and string order, or use Guided Tuning to follow each step. Tune strings, winds, brass, voice, and more. Adjust A4 calibration and noise filtering to suit your instrument and environment. Lifetime Access unlocks the full 10-octave range, unlimited note detection, a complete pitch map, and piano reference across all keys. A clean, focused interface helps you tune with confidence.