Spotting the International Space Station


Have you ever gazed up at the night sky and wondered if you could see the International Space Station (ISS)? The good news is, you can! With the right tools, spotting the ISS and other celestial objects has never been easier.

Experience the Starlink Satellite Train


Enhance your stargazing experience by observing the Starlink satellite train, which can be tracked along with other Famous Objects available in the app's Filter menu.

Introducing ISS Detector Pro


If you have a passion for space and astronomy, then the ISS Detector Pro app is perfect for you. This advanced application includes all the features of the free version, ISS Detector, along with additional extensions and the benefit of being ad-free.

Explore More Celestial Objects


With ISS Detector Pro, you can track a variety of fascinating objects in the night sky:



  • Radio Amateur Satellites: Track dozens of ham and weather satellites, complete with transmitter frequencies and Doppler shift calculations.

  • Famous Objects: Keep an eye on Hubble, X-37B, Fitsat, Tiangong, rocket bodies, and more—most of which are visible to the naked eye.

  • Comets and Planets: Monitor comets as they approach Earth and become bright enough to see.

Never Miss a Pass


ISS Detector Pro not only tells you when and where to look for the ISS or Iridium flares, but it also sends you an alarm a few minutes before a pass. You will never miss a sighting of the ISS or the brilliant flashes from Iridium communication satellites.

Perfect Conditions for Viewing


The app checks weather conditions to ensure you have the best chances for spotting. A clear sky is ideal for a successful viewing experience.

Key Features of ISS Detector Pro



  • Overview of upcoming passes

  • Weather conditions for optimal sightings

  • Notifications and alarms

  • Share your sightings on social media

Data Sources


ISS Detector combines data from reputable sources including NASA, Heavens-above.com, minorplanetcenter.net, and weather information from yr.no.