Mugig guitar tuner for Chromatic, Guitar, Ukulele, Bass, Violin, Clip-on Tuning, large and clear LCD Screen Colorful Display, 430 HZ to 45O HZ, Battery Included, Auto Power Off : Amazon.co.uk: Musical Instruments
Ukulele tuner 432 Hz | Ukesong
Chromatic Simple Ukulele Tuner - for the iPhone/iPad