CGDA Tuner

CGDA Tuner is a fast, friendly tuner built for string players. Play a string and the whole screen responds — green means you're in tune, warm colours mean you're sharp or flat. No cluttered dials, no guesswork. NINE MODES, ONE TUNER - Violin, Viola, Cello, Double Bass - Guitar, Bass Guitar, Ukulele, Mandolin - Chromatic mode for everything else CLEAR, GLANCEABLE FEEDBACK - Full-screen colour that turns green when you're in tune - Note name, frequency (Hz), and cent offset at a glance - Fine-grained meter for landing exactly on pitch - Over-tension warning helps protect your strings TUNE BY EAR, TOO - Play a sustained reference tone for any string and match it — just like tuning to a piano ALTERNATE TUNINGS - Guitar: Drop D, DADGAD, Drop C, Open G, Open D, Half-Step Down - Bass Guitar: Drop D, Half-Step Down - Ukulele: standard high-G and low-G - Your last tuning is remembered for each instrument - Proper flat spelling (E flat, A flat …) where it belongs MADE FOR PRACTICE - Starts instantly and works completely offline - No account, no sign-up - All instruments and tunings are free — an optional Pro purchase simply removes ads Whether you're unpacking your cello before rehearsal or dropping your guitar into DADGAD, CGDA Tuner gets you in tune and back to playing.