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Free Martin Tuner App

This free app available on both iOS and Android platforms from C.F. Martin & Co. offers interactive tools for guitar players of every skill.

A fully chromatic tuner and ear trainer help you dial in your guitar whether you’re a beginner or a pro.

Use our Pro-Tips to learn everything from properly stringing your guitar to using a capo! Build your dream guitar with our “Build A Custom” feature.

Get the app here>>