Super useful. Can't believe it is so cheap, given how bright the screen is.
My only complaint is that the "in tune" arc is so much bigger than the red/yellow slices ... I'd like to be able to zero in on a perfect pitch rather than be just "pretty close" which is all you can do with this snark. I can turn the tuner knobs on the guitar enough to hear a difference in pitch yet the snark claims it is still "pretty close." Yeah it probably still sounds great when you play chords, and people in a band need to tune to each other anyway, so it isn't a deal breaker. So still giving it 5 stars for how useful it is.