XTuner PRO – All in One Tuner

All-in-one tuner & metronome for guitar, ukulele, violin, piano & more

XTuner PRO - All in One Tuner is the ultimate free tuner and metronome app designed for musicians of all levels. Whether you're tuning a guitar, ukulele, violin, banjo, piano, or even a cavaquinho, this instrument tuner and metronome app has you covered. With over 250 professional tunings for 14 different instruments, XTuner PRO combines precision, versatility, and ease of use into one powerful mobile solution.

Whether you're a beginner just starting out or a professional musician preparing for a gig, XTuner PRO is the perfect tuning companion. Crafted and tested by real musicians, the app works offline, supports auto tune, manual mode, and chromatic tuner functionalities—making it ideal for every situation, from solo practice to ensemble rehearsals.

Key Features:
- Over 250 tunings for 14 instruments including guitar, bass guitar, ukulele, violin, viola, banjo, cello, mandolin, piano, bouzouki, domra, double bass, balalaika, and cavaquinho.
- Three tuner modes: auto tune, manual, and chromatic tuner for maximum precision and flexibility.
- Real recorded sounds for accurate tuning or training your ear.
- Metronome app with tempo range from 20–300 BPM and tap tempo.
- Chord library for guitar and ukulele
- Concert pitch (A4) calibration in Hz and pitch deviation in cents.
- Custom tuning options for advanced users.

Offline functionality – tune your instrument anytime, anywhere.

Guitar, Bass, Ukulele, and Beyond:
Looking for a guitar tuner app free of charge? XTuner PRO supports 6-string, 7-string, and 12-string guitar tunings like Drop D, Drop C, Drop A, Open G, Open C and many more.
Choose your instrument, select a tuning, and use either the auto mode to detect pitch instantly or manual mode for hands-on control. The chromatic tuner allows you to tune virtually any instrument, no matter how uncommon.

Designed for All Instruments:
Whether you need a violin tuner, piano tuner, banjo tuner, or ukulele tuner free, this app does it all:
Electric guitar and acoustic guitar: tune accurately with preset or custom tunings.
Bass guitar: 4-string and 5-string bass tuning supported.
Ukulele tuner: supports C6, D6, and more.
Violin, viola, cello, fiddle: preset modes and real-sound playback.
Banjo tuner: 4-string and 5-string.
Mandolin, domra, balalaika, cavaquinho: unique presets for less common instruments.
Piano tuner: use the ch