"Professional Guqin Tuner" is a simple and efficient application designed for tuning traditional Chinese string instruments. The app focuses on providing a user-friendly experience for tuning the Guqin, catering to the specific needs of players who seek a straightforward tuning process. With preset string pitches, dynamic indicators, voice guidance, and automatic string switching, this tuner aims to streamline the tuning process for users.

The key features include preset string pitches for C2/D2/F2/G2/A2/C3/D3, dynamic indicators to show whether the pitch is high or low, voice navigation for tuning without looking at the screen, automatic string switching after successful tuning, customizable string pitches, and adjustable error range settings for precision tuning.