I also use this tuner it is rather accuratePatrice wrote: ↑December 25th, 2015, 3:46 amCoachTuner for iPhone and iPad is very successful guitar tuner in France : https://itunes.apple.com/us/app/coach-t ... 81369?mt=8
it is free for standard tuning ( then you can buy alternate tunings, but i never use that so i just use the free version )
I don't know what people use in the USA ?
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