Join millions of users who never miss a pass!

Have you ever seen the International Space Station glide across the night sky? It is a breathtaking sight—a bright steady light moving faster than a plane home to astronauts orbiting 400km above Earth.

ISS Detector is the premier ISS tracker and satellite finder. Whether you’re a seasoned stargazer or just curious we make the wonders of the cosmos visible from your backyard.

Why millions use ISS Detector:
• Precise Alerts: Our ISS tracker sends a notification minutes before a pass starts. You'll know exactly when and where to look.

• Weather Integration: We check your local forecast. If it’s too cloudy to see the station we’ll let you know so you can stay warm inside.

• Trusted Authority: With over 11 million cross platform downloads this is the most reliable tool for satellite spotting.

• Total Simplicity: No complex setup. Just open the app and see when the next "Brilliant" pass occurs.

🛰️ Expand Your Horizon (Premium)
Take your stargazing to the next level with our Premium Features:

• Starlink & Famous Objects: Track the SpaceX "satellite trains" the Hubble Space Telescope and bright rocket bodies.

• Planets & Comets: Locate all the planets in our solar system and track new comets as they become visible.

• Amateur Radio (Ham) Satellites: Essential for operators. Track dozens of ham and weather satellites with real-time Doppler shifts and transmitter info.

Don’t just look at the stars—know what you’re seeing. Join the global community of space observers and never miss a sighting again.

Download ISS Detector today and look up!