n-Track Tuner Pro

Tune your guitar, bass or any instrument with n-Track Tuner Pro. Use your smartphone’s microphone for free, high-precision tuning with six viewing modes: Spectrum Analyzer, Instruments, Tune Fork, Needle, Sonogram (PRO), and a 3D view (PRO). It supports guitar, violin, viola, cello, bass, piano and wind instruments and uses the same advanced audio recognition engine behind n-Track Studio 8.

Advanced features include tuning sensitivity up to 0.1 cents, Western and Latin note namings, alternate temperaments, and calibration for non-standard tunings. You can choose fixed reference tones with Tune Fork or let the spectrum visuals guide your pitch. Pro users gain access to Sonogram and 3D views and a broader instrument set. Get the pro version to unlock all instrument views and features. With over 5 million downloads, it’s a trusted tuning companion for guitar, violin, piano and more.