RAU tuner - Ultimate Ukulele tuner for Uke tune

RAU - ituner is the easiest, fastest and most accurate tuner app in the world!


Why is it the worlds best tuner ever built?
• 12 years of tuning technology research, We have the best voice frequency identification technology.
• Simple and easy to use. Works with both electric and acoustic guitars and string instruments using the built-in microphone.
• Perfect for complete beginners.
• Simple and intuitive. Clear visual feedback with signal history.


All tunings available