Daikyouju Labs has announced Ukulele Tuner Pro 2.0, their innovative tuner for iOS. Pro indicates the sound frequency in Hertz in order to achieve the exact note, depending on the type of ukulele. The musician just needs to play the string and a light comes on when it is in tune. It features a handy tuning fork to play the exact sound frequency in Hertz. Perfect for professional musicians & ukulele lovers alike. Ukulele Tuner Pro 2.0 is $2.99 and can be downloaded from iTunes.