OpenTuner is a lightweight, sleek, and professional guitar tuner built for players who just want to tune and play. I made this app after getting frustrated with tuner apps packed with ads and subscriptions. Why you'll love OpenTuner: - Instrument mode for automatic string-by-string tuning - Support for Bass, Banjo, and Ukulele - Open mode for live note detection - Multiple built-in tunings - Create and save your own custom tunings - Built in metronome - No ads. - No account required. - No tracking. Just open the app, tune, and play.