Practimo Tuner

Practimo Tuner is a fast, accurate chromatic tuner for guitar and any string instrument — completely free, no ads, no account. • Accurate chromatic pitch detection — tune any note, any instrument • Every common guitar tuning: Standard, Drop D, DADGAD, Open G, and more • Tap a string to hear a clean reference tone and tune by ear • Adjustable A4 calibration (430–450 Hz) • A clear cents meter so you land perfectly in tune • Works entirely offline — your audio never leaves your device No ads. No paywall. No sign-up. Just open it and tune. From the makers of Practimo, the practice companion for musicians.