Check out RealChords Pro with a new Free version. RealChords is a new way to see and hear everything to do with chords on the guitar. Scroll the arrows to see all standard chord-shapes AND enter and hear All-Possible chord-shapes. To change Key swipe the fretboard with 2 fingers. Use RealChords Pro and you WILL understand how chords work on the guitar. Upgrade to RealChord Pros to access all the chords and all the great features.