Your handy Ukulele Tuner and Ukulele Tabs and Chords reference on the go. Your Ukulele Friend! Tune your Ukulele in standard tuning (G-C-E-A) and lookup chords on the go. Simply tune your Uke by ear with or without automatic tuning advance and view chords in four toggle button groups: Major (Major, 6, 7), Minor (Minor, m6, m7), Sus (Sus2, Sus4) and Maj7 (Maj7, Dim7).