StringTune
StringTune Tuner
Online PWA — install on iPhone or Android, then use offline. Guitar, ukulele, harp & violin.
Chrome menu → Install app / Add to Home screen Safari → Share → Add to Home Screen
Download Android APKDonate using GCash 09161674872, if you find it useful.
Select instrument
Online PWA ready
StringTune
Select Guitar
Bass or acoustic — 4, 6, or 12 strings.
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Tap to tune