There are so many electrical tuners and tuner apps in the world, while GoodTuner is unique from them all.
It makes tuning instruments intuitive and clear, as if you are watching clock to check time.

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Unique Features:
1.Clear clock style user interface
2.Support 9 instruments and chromatic

Other Features:
3.Precise to ±1 cent(1 cent = 1/100 semitone)
4.Selectable Notations(CDE,DoReMi,…)
5.Adjustable Reference Pitch(A4) frequency in 0.1 Hz increments from 340.0 to 540.0 Hz
6.Support Custom-Tuning(in 0.1 cent increments)
7.Selectable sensitivity

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Support more than 50 tunings for instruments:
1.Guitar
2.Guitar(7 String)
3.Bass
4.Mandolin
5.Banjo
6.Ukulele
7.Violin
8.Viola
9.Cello
10.Chromatic ---------------- General 12 Equal Temperament Instrument

You can email us the missing tunings or the missing instrument you need.Before added, you can use Chromatic mode to tune it.