If you beginer for Guitar, this is application for your, it very easy for tuner
Very easy for new version 2018, guitar, bass, ukulele, electric or accountic guitar, violin etc.
Chromatic Guitar Tuner is a fast, accurate and easy-to-use app offering pro level of tuning precision!
The app features different tuning modes, a list of standard and alternative guitar and ukulele tunings, complete with extra tools for beginners and pros.
It’s totally free!