This comes straight from Choona’s own GitHub page, and it’s free. Need help installing?
What it looks like
About this app
Choona listens to each string and tells you which way to turn, with a big library of alternate tunings and a version for watches.
It works offline and has no adverts.
From the app’s home page
- See the codeHow it’s made, every line is public
- Questions & commentsTalk with the people who make it
- Report a problemTell the makers something is broken
- All versionsOlder downloads and what changed
- LicenseThe rules for using and sharing it
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