"Scale Guide" is an application that deepens your understanding of music theory and guides you to elevate your performance and composition skills. With a wide variety of musical scales included, it assists in enhancing improvisational techniques and broadening the possibilities of melody and harmony. ・Multi-instrument Support: Compatible with various instruments such as guitar, bass, ukulele, and more. Customization options available for each instrument. ・Simple User Interface: A simple yet intuitive user interface. Easily accessible for beginners to professionals alike. ・Favorite Scale Storage: Build your own personalized list.