Sidereal Time App is a free utility and tool application designed by Scott Spiller for Android. This app calculates the local sidereal time based on your location. The app has a pro version that allows you to calculate sidereal time by address, latitude and longitude, or convert your current date and time to sidereal time. Additionally, you can touch anywhere on a world map and find the local sidereal time.

With Sidereal Time App, you can easily plan your stargazing sessions and identify celestial bodies in the sky. The app is user-friendly, and its features are accessible from the main menu. The app's interface is clean, and the design is visually appealing.

Overall, Sidereal Time App is an excellent tool for amateur and professional astronomers alike. Its features are accurate, and the app is easy to use. The pro version is worth purchasing if you need to calculate sidereal time using an address or specific coordinates.