Tuner App: Tune Guitar & Bass
A precise, no-nonsense tuner for strings.
Guitar
Bass
Ukulele
Mandolin
Banjo
Chromatic
Auto + Manual Modes
Auto mode detects which string you're playing. Manual mode lets you pick a target note and zero in. Both respond in real time.
Alternate Tunings
Standard, Drop D, Open G, Open D, DADGAD, Half Step Down for guitar. Drop D for bass. Standard and Low G for ukulele.
Reference Tones
Tap any string to hear its target pitch. Adjustable reference from 430 to 450 Hz for orchestral tuning.
Headstock String Selectors
Pick a string selector that matches your instrument. 3+3 acoustic, 6-in-line electric, 4-in-line bass, or minimal view.
In-Tune Feedback
An optional ding and visual flash when a string locks in. Useful when your eyes are on the fretboard.
Private by Design
All processing on device. Nothing recorded, stored, or sent. No ads. No subscriptions. No account.
Your privacy matters. The microphone is only active while tuning. Audio is processed entirely on your device and never leaves it.