The Pro Version (Android only) adds planets and stars, letting you explore celestial phenomena like the Southern Cross constellation. The app includes a location mapping auto-search feature—simply type in a location (e.g., “Cairo, E”), and the app will instantly adjust your observer’s location. This functionality uses a third-party API for reverse location searches, which incurs a small cost. The Pro version also includes eclipse prediction capabilities.
https://play.google.com/store/apps/details?id=io.journalofgeocentriccosmology.flatearthapp