ViolinTuner is an easy-to-use free mobile application with which you will be able to tune your guitar or other music instruments quickly. We have 398 types of tunings.
Our tuner includes sets of sounds characteristic of different types of instruments.

Features:
- Tuner with two modes:
(1) chromatic tuner for measuring sound pitch and intensity
(2) pitch fork mode
- Customizable A4 frequency (default 440Hz)
- Record your playing with our integrated one-touch recorder
- Upload your own sheet music to the app, and record and practice while watching or following along
- Our metronome never lags beats, ensuring accurate timing: a real metronome shouldn't lag
- Supports all instruments, including piano, guitar, ukulele, mandolin, violin, cello, viola, bass, drums, flute, and harmonica, among others.
- Supports transposed instruments, such as B-flat clarinet, F horn, E-flat saxophone, D-flat piccolo, and more.
- Scales practice
- Precise beats per minute (BPM) control
- BPM detector
- Practice time tracker
- High precision tuner
- Visual metronome mode using the camera flash
- Tuning fork and pitch pipe
- it is a free pro tuner; you don’t have to pay.