Fret Tuner

Fret Tuner is a clean, fast tuner for guitar, bass and ukulele. Pluck a string and it shows the note, the octave and exactly how far off you are in cents, with a needle that turns green when the string is in tune.

Pick your instrument and tuning, and the strings of that tuning appear as targets. The one you are playing lights up, so you always know which string you are on.

• Guitar: Standard, Drop D, Half step down, Full step down, Drop C, Open G, Open D and DADGAD
• Bass: Standard, Drop D, Half step down and five-string
• Ukulele: Standard C, Low G, Baritone and D tuning
• Chromatic mode for any other instrument
• Reference pitch adjustable from 432 to 446 Hz
• Input level bar, so you can see it is hearing you
• Dark and light themes
• Works offline, with no account

The pitch detection stays on the note you are actually playing instead of jumping to its overtones, and it steadies the reading so the needle does not jitter.

Your audio is measured on your device as it comes in and is never recorded or sent anywhere.

Free for 7 days. A single one-time purchase then unlocks it for good, with no subscription.