TunaDroid 自動吉他調音器

If you're looking for a free, easy to use and accurate guitar tuner TunaDroid is made for you !

Tuna'Droid is a simple chromatic tuner for your guitar but it can be used as a tuner for any other instrument.

Chromatic mode : You can use the chromatic tuning mode that will simply show you the note and the frequency at which you are playing.

Quick Standard tuning : If you want to quick tune your guitar maybe you'd prefer the preset standard tuning (EABGBE) that allows you to match only the 6 essential notes.

40 alternative tunings: But this guitar tuner provides also more than 40 special tunings for all your special tunings need. All for free.

Also check the special locking feature, that will help you focusing on a particular note.