The Solar Book is a dedicated application designed for smartphones and tablets, specifically for tracking solar eclipses. It provides users with precise timings for each eclipse phase based on their specific location, allowing for a tailored viewing experience. Users can set their observation location through an intuitive setup dialog, ensuring accurate results tailored to their geographic position.

In addition to real-time eclipse tracking, the app features sequential images that illustrate the progression of the solar eclipse, accessible via thumbnail icons. Users can also explore past and future solar eclipses by selecting specific dates. For those not viewing an eclipse, the Solar Book offers a star chart of the sky at the user's location, enhancing its educational value. This app serves as an essential tool for astronomy enthusiasts and learners alike.