Guitar Tunio – Guitar Tuner is one of the fastest, easiest, and most accurate tuner apps with a simple interface. It supports 20 string instruments and offers over 200 tuning modes, including:

GUITAR TUNING: Classic, Acoustic, Electric, 7-string, and 12-string guitar

UKULELE TUNING: Ukulele and Cavaquinho

GUITAR BASSES TUNING: Guitar bass 4-string, 5-string, 6-string, and 7-string

VIOLIN FAMILY TUNING: Violin, Viola, Cello, Fiddle, and Double bass

There are 3 main modes:

Instrument tuner

This mode is perfect for beginners. Choose a tuning and it automatically determines the string deviation when you play each string. It’ll show you whether it’s sharp (higher pitched) or flat (lower pitched) so that you can adjust it.

Chromatic tuner

Chromatic tuner mode is suitable for professional players. With this mode, you can tune your string to any note you want. 

Metronome

This tool allows players to set at any tempo and to change the beat manually or by tapping at the desired speed. It suits players who want to learn more professionally.

Besides, Guitar Tunio  is a powerful tuner with a fast response and sensitivity to the sound. It supports a wide range of pitch sensors and follows any pitch your instrument can make. The left-handed mode is also supported in the app that helps left-handed people tune their instruments more easily and quickly. Above all, this app doesn't require any additional equipment. It works directly with the microphone of your phone, you don’t even need your guitar amplifier because this app will pick up your electric guitar or bass unplugged. 

Guitar Tunio  is available on Android and iOS, try it for free now!

Android: https://play.google.com/store/apps/details?id=com.sevenstrings.guitartuner&referrer=utm_source%3Dmkt%26utm_medium%3Dforum%26utm_campaign%3Dguitar