I can get most of my instruments in tune reasonably well by ear, all apart from my wooden flute..... which I simply cannot do for some reason.....I use a lovely little Korg chromatic tuner ($50 AUS)... and it is WONDERFUL!!...... brilliant for tuning the harp quickly too.... and great for the bass guitar.. which always registered too low for my last tuner (a Quicktune) to pick up....
slainte
alison