There are a few free ones for Android, or you could try any of a number of programs included in Ubuntu Studio. <div class="gmail_quote">On Oct 17, 2012 7:47 PM, "Dave Stevens" <<a href="mailto:geek@uniserve.com">geek@uniserve.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> I need to tune an instrument sometimes, anyone know of a tuner app? I'd like to be able to specify a frequency or note name and then read the frequency of a vibrating string with my netbook's mike. Dave -- If all the advertising in the world were to shut down tomorrow, would people still go on buying more soap, eating more apples, giving their children more vitamins, roughage, milk, olive oil, scooters and laxatives, learning more languages by iPod, hearing more virtuosos by radio, re-decorating their houses, refreshing themselves with more non-alcoholic thirst-quenchers, cooking more new, appetizing dishes, affording themselves that little extra touch which means so much? Or would the whole desperate whirligig slow down, and the exhausted public relapse upon plain grub and elbow-grease? --- Dorothy L Sayers, in Murder Must Advertise -- ubuntu-users mailing list <a href="mailto:ubuntu-users@lists.ubuntu.com" target="_blank">ubuntu-users@lists.ubuntu.com</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-users" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-users</a> </blockquote></div>