[Electronics-Talk] Tuner for musical instrument

[carcione at access.net]

I'd really like a decent accessible tuner to help me tune my harp.  I'm
using the Talking Tuner app on my phone, but it's not so great.  There are
notes it doesn't hear at all, and others where it says 3 different things
before I even make an adjustment.

Any piano technicians here?  What do you use?  Or does anyone know of
something?  

My sighted friends have electronic tuners and do the job bing bam boom.  Not
me.

Tracy