SatEarthView vs ScoreFast

SatEarthView shows the viewable area on Earth from the vantage point of a geosynchronous (geostationary) satellite in the equatorial plane. A geosynchronous satellite is positioned ~35,785 km above the Earth's equator, or ~42,164 km from the center of Earth. SatEarthView helps to answer the question "Can a ground terminal at a specific location on the Earth see a geosynchronous satellite at a specific longitude?

The fastest way to keep score. Period. ScoreFast is a minimalist score keeping app designed for one thing: tracking scores instantly, with zero friction. No accounts, no tutorials, no loading screens. Open the app and start counting. INSTANT START Launch the app and you're already in a game. Two players, ready to go. Add more with a single tap. No setup required, no menus to navigate. SIMPLE & POWERFUL • Tap +1 or -1 to change scores instantly • Add up to 8 players • Customize increments (+1, +5, +10, +20... whatever you need) • Set any starting score (501 for darts, 1000 for card games...) • Rename players with a tap • Undo any action instantly • Dark and light mode WORKS FOR EVERY GAME Board games, card games, darts, dice games, outdoor games, sports... ScoreFast adapts to your game, not the other way around. SCOREFAST PRO (One-time purchase) • Save presets for your favorite games (Darts 501, Belote, Rummy...) • Remove ads • Custom themes (coming soon) • Custom player colors (coming soon) NO BLOAT. NO FRICTION. JUST SCORES. ScoreFast is intentionally simple. No statistics, no history, no cloud sync, no accounts. Just a beautiful, fast scoreboard that gets out of your way. Built for real game nights. Open. Count. Play.