Tracks in 3D and flyover spotting data for the 3 biggest artificial objects in orbit: International Space Station, Chinese Space Station (Tiangong), and the Hubble!
Locate and track the International Space Station in Real Time on your iPhone or iPad
Download ISS Real-Time Tracker on the App Store
List Upcoming ISS Pass Viewing Opportunities


ISS Real-Time Tracker 3D is the most unique and popular space station spotting and tracking app for iPhone, iPad, iPod touch, and Apple Watch.

Each pass prediction provides detailed spotting information in ISS Real-Time Tracker for iPhone  & iPadISS Real-Time Tracker 3D tracks and predicts flyover passes for the three most significant artificial objects in Earth Orbit. The app tracks the International Space Station, Tiangong space station, and the Hubble Space Telescope.

Get flyover pass predictions and detailed viewing data for up to the next 30 days. Then, set alerts in your calendar with one tap so you'll never miss a flyover. The passes table provides all the information you need to spot the station, along with ratings to help you select the best passes to view.

The app locates and tracks the International Space Station, Tiangong (Chinese space station), and the Hubble Space Telescope in 3D and real-time on a beautiful photorealistic 3D model of the Earth and the ISS on an animated interactive map of Earth with a ground track overlay.
3D interactive Earth model in ISS Real-Time Tracker 3D

The interactive 3D globe is fun to explore and educational, too. It shows:

  • Real-time ISS position
  • Real-time Tiangong position
  • Real-time Hubble position
  • Orbital tracks
  • Viewing ranges (footprints)
  • Tilt of the Earth (obliquity)
  • Day/night (terminator)
  • Topography, such as mountains
  • Subsolar point
  • Solar reflections
  • Seasons
  • Auto-rotation on/off
  • User-selectable backgrounds

ISS Real-Time Tracker 3D does even more. Learn about the current crew members. Get their bios and stats, including their launch dates, time in space, detailed biographies, and more. You can even Tweet the crew members.

Stay up-to-date on the current crew of the ISS in Real-Time Tracker 3DWatch live NASA TV programming, and get live HD video of the Earth beamed down from the space station.

ISS Real-Time Tracker 3D is the only mobile app that gives you all of these features and outstanding capabilities.

Over 112,000 downloads to date!

Supports iPhone, iPad, iPad Pro, and iPod touch running iOS 15 or iPadOS 15 or higher.

Companion app for Apple Watch now included. Same interactive 3D globe plus detailed real-time position data.

Apple Watch companion app available for ISS Real-Time Tracker 3D shows the ISS and Chinese Space Station, Tiangong on 3D globe.Apple Watch companion app available for ISS Real-Time Tracker 3D shows the ISS, TSS, & subsolar pointApple Watch companion app available for ISS Real-Time Tracker 3D shows the ISS, TSS, & subsolar point









iPhone and iPod touch requires iOS 15 or higher; iPad requires iPadOS 15 or higher; Apple Watch requires watchOS 8 or higher.

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❝Absolutely fantastic! I’ve followed the ISS for many years now. This app is by far the most accurate and a pleasure to use.❞

❝ Excellent Application. The new version with the globe is magnificent! Thanks to the designers.❞

❝ A lot of details. Thanks to the developer. Great attention to detail. It's fun to play with the app. Keep it up.❞

❝ Useful and fun App. Great app to track the whereabouts of the ISS at any time. Fun and easy to use.❞

❝ This app works great. It gives accurate pass predictions and is fast and easy to use. Looking forward to their next app.❞

❝ This app is fabulous tracking the ISS. This app is really functional and very simple to operate and understand. Really impressed with the tracking, info, and live video of the earth from the ISS.❞

❝ This is a fantastic app for keeping tabs on when you can view the ISS. I had alerts set that popped up in my calendar with the perfect amount of lead time—without any real thinking or planning on my part. This app makes it easy.❞

❝ I’ve been using this app for about 3 years now, and have found it to be very precise and excellent.❞

❝ Love it! It's great. It's really accurate.❞

❝ Provides useful and accurate information and easy to use. I have used this many times to view the ISS. App functions as it should and makes keeping up to date on location so easy. I like the extra information on each astronaut and adds to the enjoyment of seeing and knowing the specialities of the astronauts. Thanks again for providing this.❞

❝ Fun to watch and track!❞

❝ Interesting, inspiring, and educational. It makes you feel good to support the crew & know where they are.❞

❝ The best app available to track the International Space Station. I recommend it to all my friends!❞

Download ISS Real-Time Tracker 3D on the App Store